Re: [Cameramakers] Re: Pacific Optical Again

2003-04-01 Thread Gene Johnson
: Tuesday, April 01, 2003 11:39 AM Subject: [Cameramakers] Re: Pacific Optical Again Hello! I'm very interested in a post from John Stafford about the Pacific Optical 3 lens: Just went through the archives and from 2000 I see that Gene Johnson wrestled with the giant Pacific Optical 3 F4.5 lens

Re: [Cameramakers] Re: Pacific Optical Again

2003-04-01 Thread Gene Johnson
John, My lens was for the KS-87B. It is 3 FL and the front element is something like 4-1/2 in dia. My housing is aluminum though. Maybe that's where the weight difference is. By the way I have some resolution specs from a Recon Optical brochure. It lists 40 lpmm for PlusX and 60 for PanX.

Re: [Cameramakers] camera adaptor question

2003-03-23 Thread Gene Johnson
at [EMAIL PROTECTED] When replying, please edit your Subject line so it is more specific than Re: Contents of Cameramakers digest... Today's Topics: 1. Re: 40 telestigmat- Desparate! Need info! (Gene Johnson) 2. 150mm Symmar lens spacing. (Gene Johnson) 3. Re: science project

Re: [Cameramakers] camera adaptor question

2003-03-23 Thread Gene Johnson
Oops. Sorry, Meant that for Murray, not the list. - Original Message - From: Gene Johnson [EMAIL PROTECTED] To: [EMAIL PROTECTED] Sent: Sunday, March 23, 2003 5:59 PM Subject: Re: [Cameramakers] camera adaptor question Hey Murray, I haven't boxed up your stuff yet ( I know, I know

Re: [Cameramakers] 40 telestigmat- Desparate! Need info!

2003-03-22 Thread Gene Johnson
I got it. 290mm front edge to back edge. This is off of the rim not the glass. This would also be overall length. I hope I'm being clear. Gene - Original Message - From: DAYTONDIGITAL.COM [EMAIL PROTECTED] To: [EMAIL PROTECTED] Sent: Tuesday, March 18, 2003 6:42 PM Subject:

[Cameramakers] 150mm Symmar lens spacing.

2003-03-22 Thread Gene Johnson
Does anyone have an old 150 Symmar you could measure? I have a pair of elements I want to put into a Prontor Press shutter. I just noticed there's a 3mm difference between the P. Press and an old Compur #1. Gene ___ Cameramakers mailing list [EMAIL

Re: [Cameramakers] news about telestigmat so far

2003-03-18 Thread Gene Johnson
I can get it but I'm not home now. I'll be able to measure it tomorrow. Ok? Gene - Original Message - From: DAYTONDIGITAL.COM [EMAIL PROTECTED] To: [EMAIL PROTECTED] Sent: Tuesday, March 18, 2003 6:54 PM Subject: [Cameramakers] news about telestigmat so far On Altavista I found gene's

[Cameramakers] removing old leather

2003-03-16 Thread Gene Johnson
Hello all, I have a very beat up Ensign Popular large format reflex camera. It's pretty far gone with very bad leather, ruined fp shutter mechanism, and no lens. I'm thinking of removing the fp shutter, and putting a press shutter on it with a old 150 symmar I have. I want to remove the old

Re: [Cameramakers] shutter trade

2003-03-09 Thread Gene Johnson
? - Original Message - From: Gene Johnson [EMAIL PROTECTED] To: [EMAIL PROTECTED] Sent: Thursday, March 06, 2003 5:25 PM Subject: Re: [Cameramakers] shutter trade Sorry Greg, Sure, if it has a flash synch and a focus lever you know, the thing that opens the shutter and aperture

[Cameramakers] shutter trade

2003-03-06 Thread Gene Johnson
Hello all, I have a copal #1 self cocking shutter with a 127mm Tominon in it. I've taken some pictures with this lens mounted on an old Graphic (it even closed!) and it's not bad at all. The shutter speeds all sound good. I don't need it though since I have a decent 135 Symmar. I DO need a size

Re: [Cameramakers] shutter trade

2003-03-06 Thread Gene Johnson
Subject: Re: [Cameramakers] shutter trade I have a Kodak Compur w/ a 10.5cm, f 4.5, Kodak Anastigmat lens. It has T,B,1,2,5,10,25,50,100,250 speed settings. Lens is very clean. Will this meet your needs? - Original Message - From: Gene Johnson [EMAIL PROTECTED] To: [EMAIL PROTECTED] Sent

Re: [Cameramakers] 9x12 to 4x5 adaptor

2003-02-03 Thread Gene Johnson
, 2003 8:19 AM Subject: Re: [Cameramakers] 9x12 to 4x5 adaptor What type of camera is the adaptor for? John - Original Message - From: Gene Johnson [EMAIL PROTECTED] To: [EMAIL PROTECTED] Sent: Sunday, February 02, 2003 2:04 PM Subject: [Cameramakers] 9x12 to 4x5 adaptor Well I

[Cameramakers] 9x12 to 4x5 adaptor

2003-02-02 Thread Gene Johnson
Well I finished my adaptor and it seems to be functionally perfect if marginally ugly. All my 4x5 magazines, film holders and roll film backs fit fine. the estimated total cost is around 20 bucks. The back is sort of a spring back but with a removable groundglass. The spring is made of music

Re: [Cameramakers] blue wide angle 4x5

2003-01-29 Thread Gene Johnson
That's the one. A friend of mine wanted to make something that was basically just like this. Gene - Original Message - From: Steve.Goldstein [EMAIL PROTECTED] To: [EMAIL PROTECTED] Sent: Wednesday, January 29, 2003 5:48 AM Subject: Re: [Cameramakers] blue wide angle 4x5 Is this it?

Re: [Cameramakers] blue wide angle 4x5

2003-01-29 Thread Gene Johnson
/ - Original Message - From: Gene Johnson [EMAIL PROTECTED] To: [EMAIL PROTECTED] Sent: Wednesday, January 29, 2003 4:38 AM Subject: [Cameramakers] blue wide angle 4x5 Hello all, There was a guy, in Holland maybe, who built a really cool 4x5 with a wide angle lens, and a cam focuser

[Cameramakers] blue wide angle 4x5

2003-01-28 Thread Gene Johnson
Hello all, There was a guy, in Holland maybe, who built a really cool 4x5 with a wide angle lens, and a cam focuser. It was painted blue I think. I can't find the website anymore. Does anyone remember that camera? Gene ___ Cameramakers mailing

[Cameramakers] Sorry

2003-01-23 Thread Gene Johnson
I responded to Chuck's message without noticing the attached jpeg's. Gene

Re: [Cameramakers] 9x12 to 4x5 adaptor

2003-01-22 Thread Gene Johnson
Nathan, Look in your yellow pages unter Plastics. Many cities have plastics distributers . San Diego has two. Gene - Original Message - From: Nathan Smith [EMAIL PROTECTED] To: [EMAIL PROTECTED] Sent: Wednesday, January 22, 2003 6:48 AM Subject: [Cameramakers] 9x12 to 4x5 adaptor

Re: [Cameramakers] Graflex

2003-01-22 Thread Gene Johnson
missing. Thanks, Chuck Moulton, Phoenix, AZ - Original Message - From: Gene Johnson To: [EMAIL PROTECTED] Sent: Wednesday, January 22, 2003 11:01 AM Subject: Re: [Cameramakers] Graflex Chuck, What bits are you looking

Re: [Cameramakers] Graflex

2003-01-22 Thread Gene Johnson
account or should I send you aMoney Order? Chuck - Original Message - From: Gene Johnson To: [EMAIL PROTECTED] Sent: Wednesday, January 22, 2003 1:30 PM Subject: Re: [Cameramakers] Graflex Chuck, I can set you up with the key

[Cameramakers] 9x12 to 4x5 adaptor

2003-01-19 Thread Gene Johnson
Noticing the beautiful old 9x12 cameras on eBay for very low prices, I ended up buying a BeeBee (Burleigh Brooks by Certo). I'm currently making a slide-in adaptor to allow me to use my 4x5 roll-film backs and filmholders. Doesn't look that bad and it's going well so far. Keep all posted.

Re: [Cameramakers] 9x12 to 4x5 adaptor

2003-01-19 Thread Gene Johnson
Has anybody ever had a flash synch added to an old compur? The F. Deckel Compur (#1?) runs well but a flash synch would be nice. I'm trying to decide If I should do that or maybe justset upthis 127mm Ektar I have on it. That would give me the flash option when I need it. The lens and

Re: [Cameramakers] Speaking of fluorescent cold light heads , help with luminance question also

2003-01-18 Thread Gene Johnson
Murray, I'm thinking you're trying to come up with a way to calibrate your meter. There are probably many ways. If you already have access to a known accurate meter, it's real easy. If not, then you could employ the zone system. Meter a gray card in direct sunlight and using the sunny f16 rule

[Cameramakers] Lost contact-Perkin Elmer lens

2003-01-13 Thread Gene Johnson
I was supposed to ship a lens to a member of the list and my computer went down. I lost all data including the seller's info.If you see this message please contact me so I can get your lens to you. My apologies. Gene

Re: [Cameramakers] cambo passport to cambo wide

2003-01-13 Thread Gene Johnson
excellent! What'll it do? Gene - Original Message - From: [EMAIL PROTECTED] To: [EMAIL PROTECTED] Sent: Monday, January 13, 2003 11:06 AM Subject: Re: [Cameramakers] cambo passport to cambo wide Here is a pic of the camera http://members.aol.com/dkfletcher/widecamera.jpg I just

Re: [Cameramakers] High Speed flash

2003-01-08 Thread Gene Johnson
I'll send your msg. on to someone I know. Gene - Original Message - From: Kamil Seda [EMAIL PROTECTED] To: [EMAIL PROTECTED] Sent: Wednesday, January 08, 2003 7:51 AM Subject: [Cameramakers] High Speed flash Hey Everyone Currenty I'm tring make a high speed flash to capture

Re: [Cameramakers] Spotmeter

2002-12-20 Thread Gene Johnson
It would be very hard to make a homebrewed spot meter as nice as a Pentax, for example, but homebrewed meters in general can be VERY accurate. I made a small series of meters made from cheap handheld digital V-O-M meters which used a photoresistor . I had a chart to convert ohms to

Re: [Cameramakers] Method of focusing

2002-11-27 Thread Gene Johnson
I second the notion of a front mounted shutter. I've been doing this quite a bit. The #3 Alphax and Ilex shutters from the Oscilloscope cameras are relatively cheap and plentiful. It's usually pretty easy to come up with a way to mount it as close as possible to the front element. With long

Re: [Cameramakers] Method of focusing

2002-11-24 Thread Gene Johnson
If you want to get really cheap, Harbor Freight Tools sells a aluminum bar clamp that's 36 inches long, and wouldn't take much to make into a monorail for a camera. It costs about 6 bucks on sale, which I believe it is until Dec. 2. It has a plain spring latch lock on one end, and another with a

Re: [Cameramakers] Method of focusing

2002-11-24 Thread Gene Johnson
http://www.harborfreight.com/cpi/ctaf/Displayitem.taf?itemnumber=38184 Here's the URL. Gene - Original Message - From: Gene Johnson [EMAIL PROTECTED] To: [EMAIL PROTECTED] Sent: Sunday, November 24, 2002 12:54 PM Subject: Re: [Cameramakers] Method of focusing If you want to get really

Re: [Cameramakers] Dejur carrier

2002-11-22 Thread Gene Johnson
I think I have what I need. One of the other list members had half a carrier, which he scanned and sent. Looks pretty simple. Gene - Original Message - From: winddancing [EMAIL PROTECTED] To: [EMAIL PROTECTED] Sent: Thursday, November 21, 2002 5:50 PM Subject: [Cameramakers] Dejur

Re: [Cameramakers] Any data on an AeroJet Delft 12 inch f 1.5 45AG ?

2002-11-18 Thread Gene Johnson
. Is there a reason why you wanted to use THIS lens? Is the large aperture important? Good luck. Gene Johnson - Original Message - From: Kevin Martin To: [EMAIL PROTECTED] Sent: Friday, November 15, 2002 2:49 PM Subject: [Cameramakers] Any data on an "AeroJet Del

[Cameramakers] Dejur Versatile Professional

2002-11-17 Thread Gene Johnson
Does anyone out there have a picture or a sketch of a neg. carrier for this enlarger? I'm setting one up in my garage that I got in reasonable shape almost for free, but I need to make some carriers. Thanks a bunch. Gene

Re: [Cameramakers] coatings test

2002-11-04 Thread Gene Johnson
This seems to hold up. My Grandagon N MC produces a rainbow of green ,yellow, and blue. My Single coated Ronar is a consistent blue-green. May 3 inch aero lens has yellow, blue and green. My 6 inch lens has blue and purple. The aero lenses son't have as many different colors or as vivid as

[Cameramakers] Aero ektars

2002-10-28 Thread Gene Johnson
Has anyone actually taken any pictures with an Aero Ektar? I did a search on the web looking for comments about performance of the AE's (especially the 178mm) from someone who had actually used one recently, and found NOTHING. Has anyone on the list actually tried one? I've got one on a

Re: [Cameramakers] Bellows: glue

2002-10-26 Thread Gene Johnson
John, I bought contact cement in a quart can from Home depot. I found there was a layer of seperated liquid on the top that is perfect when I need to apply really thin coats. Gene - Original Message - From: John Cremati [EMAIL PROTECTED] To: [EMAIL PROTECTED] Sent: Saturday, October 26,

[Cameramakers] Cemented achromat as portrait lens

2002-10-23 Thread Gene Johnson
Would one of you optics gurus offer your opinion on the probable performance of using one of the very cheap, high quality surplus cemented achromats as a portrait lens ? Do you think a cemented pair would give that neat sharp/soft look that I understand is caused by residual spherical

Re: [Cameramakers] Re: Electric shutter

2002-10-17 Thread Gene Johnson
Hi, theoretically, an electronic shutter for a pinhole camera SHOULD be pretty easy to put together. If I ever had time to do it, A simple timer circuit could power a small solenoid which would operate a simple shutter like you would see in a disposable camera. the components would cost a few

Re: [Cameramakers] Busch Pressman for sale

2002-10-14 Thread Gene Johnson
Interested in any trades? Gene - Original Message - From: [EMAIL PROTECTED] To: [EMAIL PROTECTED] Sent: Monday, October 14, 2002 9:30 AM Subject: [Cameramakers] Busch Pressman for sale Hello builders, I bought a Model D Busch Pressman that I was going to use for a new camera

[Cameramakers] cobbled up shutters and lenses -thanks Earthmother

2002-10-05 Thread Gene Johnson
A moment to thank Earthmother for putting the bug in my ear about the O-scope camera shutters and front/back mounting them on odd lenses. I've now done this on4 lenses all wth excellent results. I can't say any of them is pretty, but all work very well, and I couldn't have bought one decent

Re: [Cameramakers] Nikon Process-Nikkor 260mm f/10

2002-10-03 Thread Gene Johnson
I've been shopping for process lenses quite a bit lately. My best guess is that in this condition you might get 100 to 150 for them. In usual used condition theyre going in the 50 to 75 range. Gene - Original Message - From: Ted Burford [EMAIL PROTECTED] To: [EMAIL PROTECTED] Sent:

Re: [Cameramakers] New Magnetic Film holder design

2002-10-01 Thread Gene Johnson
I found these. Gene http://www.wondermagnet.com/dev/magnet4.html - Original Message - From: John Cremati To: [EMAIL PROTECTED] Sent: Tuesday, October 01, 2002 4:36 AM Subject: [Cameramakers] New Magnetic Film holder design Hi , I had weighed

Re: [Cameramakers] New Magnetic Film holder design

2002-10-01 Thread Gene Johnson
I've seen some really strong and tiny rare earth magnets. Like the size of a pencil eraser or smaller. A few of those set into your frame might get it done. Gene - Original Message - From: John Cremati To: [EMAIL PROTECTED] Sent: Tuesday, October 01, 2002 4:36

[Cameramakers] RB telegraflex.

2002-09-30 Thread Gene Johnson
Hi All, I have gotten an R.B. Telegraflex which I'm fitting with a 210mm Repromaster process lens for portraits. I remember one of the members re-engineered a Super D so he could get flash synch. I recall it as being really clever and was wondering if that member could get in touch so I

Re: [Cameramakers] Jouney to the Dark Slide.

2002-09-29 Thread Gene Johnson
Really, that sounds like a REALLY useful material. Did you catch the tensile strength? That's in the aircraft grade aluminum neighborhood! I can think of a lot of uses for that stuff. I think I'll be ordering some. Probably make great lensboards too. Gene - Original Message - From:

Re: [Cameramakers] message from Nettles. KV! etc.

2002-09-27 Thread Gene Johnson
Thanks Gene - Original Message - From: Cedric Malitte [EMAIL PROTECTED] To: [EMAIL PROTECTED] Sent: Friday, September 27, 2002 12:25 PM Subject: Re: [Cameramakers] message from Nettles. KV! etc. Nope no virus attached in the message. On Fri, 27 Sep 2002 07:21:50 -0700, Gene

Re: [Cameramakers] Journey to the dark slide- possible materials.

2002-09-26 Thread Gene Johnson
Nope, He's right. I have some warped formica sitting on the side of my house. It's not as severe as wood, but too much for us. I've seen bunches of old circuit board blanks for sale cheap in surplus stores around here. Dense fiberglass with a copper sheath. Definitely flat and bend/warp proof.

[Cameramakers] big film

2002-09-26 Thread Gene Johnson
Big camera people. I have some big film I would like to let someone try out. It's X-ray copy film from Konica (SR-DUP). There's just about no data on it from Konica. My understanding is that it's just what you would guess. A giant orthochromatic slide. Since it's for duplicating x-rays, it

Re: [Cameramakers] Using a focal plane shutter behind the lens

2002-09-22 Thread Gene Johnson
Kenneth, I've often thought that for some large lenses, that this might be the way to go. Buy an old Speed graphic body and stick it behind a large process lens.Just build it into the front standard. Adjust the position of the individual lenses with the configuration of the lensboard to get

Re: [Cameramakers] fluorescent lamps for b/w LF cold head enlarger

2002-09-20 Thread Gene Johnson
Did we ever talk about using LED's for an enlarger? They have some pretty bright ones now. Maybe a real dense array of say white,blue,green yellow red. Maybe some could be turned off to change contrast? Just wondering out loud. Gene - Original Message - From: Uptown Gallery [EMAIL

Re: [Cameramakers] Making a cold light head - Reply to Gene Johnson

2002-09-02 Thread Gene Johnson
Sounds pretty good! Gene - Original Message - From: Frank Earl [EMAIL PROTECTED] To: [EMAIL PROTECTED] Sent: Monday, September 02, 2002 5:19 PM Subject: [Cameramakers] Making a cold light head - Reply to Gene Johnson The GE bulbs put out light at 3200K as near as I can tell

Re: [Cameramakers] Making a cold light head.

2002-08-31 Thread Gene Johnson
Are you able to use filters for variable contrast paper? Gene - Original Message - From: Frank Earl [EMAIL PROTECTED] To: [EMAIL PROTECTED] Sent: Saturday, August 31, 2002 5:03 PM Subject: [Cameramakers] Making a cold light head. I was given a Beseler 45m in pieces. After assembly I

Re: [Cameramakers] Thinking about building my first trial camera

2002-08-27 Thread Gene Johnson
I'm going to disagree a little with Nick. If you use really nice plywood, It's fairly nice, and very strong. Joints are always the problem. I've used closely spaced tiny dowels at a 45 on the corners with good results, and gussets on the inside where practical work well too. I've also used

Re: [Cameramakers] A question regarding a lens

2002-08-27 Thread Gene Johnson
I have the same camera. the 616 Monitor and Vigilant used the same lens. Might be tight for 4x5, I could test it on my Horseman easy enough if you're not in a big hurry. Gene - Original Message - From: Robert Stoddard [EMAIL PROTECTED] To: [EMAIL PROTECTED] Sent: Tuesday, August 27, 2002

[Cameramakers] Bausch and Lomb 40 inch lens.

2002-06-21 Thread Gene Johnson
Hi All, I found an interesting lens at the local swap meet yesterday. It is a Bausch and Lomb 40 inch Telestigmat f8 with yellow dot. Of course it is huge, with 5 1/2 inch diameter barrel and 5 inch front lens, the barrel is about 8 1/4 inches long. Someone had rigged it with ABS pipe and a

Re: [Cameramakers] Lith film

2002-06-13 Thread Gene Johnson
Hi Robin, I don't have my notes with me, but I recall there was the standard, and " Ansel Adams" dilutions. The Ansel setup worked best. Best bet it to do a half dozen exposures of the same scene with a renge of exposures and play with the time and dilutions. You'll come up with something

Re: [Cameramakers] Another Interesting Combination

2002-06-10 Thread Gene Johnson
Hi All, Earthmother's posts inspired me to find an Alphax shutter from a scope camera for 20 bucks. I had to clean it to get it to work, but it does now work fine. I have tried it at the front and rear of a 7 inch f2.5 Aero Ektar. On a lens this fast with huge elements, I definitely get less

Re: [Cameramakers] Another Interesting Combination

2002-06-07 Thread Gene Johnson
How do you operate the controls of the shutter with it behind the lens? I just tried an Alphax on the front of a7 inch Aero Ektar and got quite a bit of vignetting. I'd be curious about trying it on the rear. The rear element is quite a bit smaller than the front one. Gene Johnson

Re: [Cameramakers] Lith film

2002-06-06 Thread Gene Johnson
Before you give up on the lith film, try Windisch developer. It's a simple catechol/sodium hydroxide developer that compensates like crazy and worked well for me on some really high contrast copy film. Gene - Original Message - From: Frank Earl [EMAIL PROTECTED] To: [EMAIL PROTECTED]

Re: [Cameramakers] Cheap lenses/Expensive lenses

2002-06-04 Thread Gene Johnson
Will, I'm just finishing up a lens board for a 178 Aero Ektar so I can use it on my 4x5 View camera. I figure I can use a derby shutter for 1/2 sec and longer exposures. With 50 speed film at f16, I'll have to wait till the sun gets low, or shoot in the shade, or use it for night shots at

Re: [Cameramakers] PRIMATIVE PHOTOGRAPHY BOOK and building your own lenes

2002-05-28 Thread Gene Johnson
Wouldn't that get you a Rapid Rectilinear? I've seen shots taken with these lenses which were pretty impressive. I was interested in something similar a while back and went so far as to glue some achromats to either side of an old Agfa shutter. the fl is approximately half the fl of the

Re: [Cameramakers] PRIMATIVE PHOTOGRAPHY BOOK and building your own lenes

2002-05-28 Thread Gene Johnson
I forgot some things. I mounted mine with the convex surfaces facing each other, and got them as close together as possible. I was mimicking the design of a Plossle telescope eyepiece, and only later learned that this was basically the same design as the Rapid Rectilinear type design. The (fl1

Re: [Cameramakers] guesses on how to estimate reduction of light thru radiation-darkened lens elements

2002-04-30 Thread Gene Johnson
I would use a slow slide film and bracket with your Aero and a known lens. Compare the two and you should have an idea. I have a 7 inch (2 actually) Aero E. and I doubt it the darkening is a half a stop. I think the real slowing might come from trying to use a color correction filter. I've

Re: [Cameramakers] focal plane spacing, Fairchild shutter question

2002-04-19 Thread Gene Johnson
Murray, In theory, you want it as close as possible. The farther away you get from the film, the less efficient the shutter becomes. The other way to go is use the fp shutter as close as possible to the back of your lens. I guess you just call it a shutter then. For us giant lens guys that

Re: [Cameramakers] Re: Cameramakers digest, Vol 1 #390 - 2 msgs

2002-04-19 Thread Gene Johnson
(Uptown Gallery) 2. Re: focal plane spacing, Fairchild shutter question (Gene Johnson) --__--__-- Message: 1 From: Uptown Gallery [EMAIL PROTECTED] To: [EMAIL PROTECTED] Date: Fri, 19 Apr 2002 00:57:54 -0400 Subject: [Cameramakers] focal plane spacing, Fairchild shutter question

Re: [Cameramakers] KS-87 Lenses

2002-03-23 Thread Gene Johnson
be achievable with some simple machining. Long F. Dia R. Dia. 6 3.75 6/4.5 3.55 3 7.75 6/5.125 4.25 12 7.64.75 4.2 Hope this helps. Gene Johnson From: Dr Carlo Kopp [EMAIL PROTECTED] To: [EMAIL

Re: [Cameramakers] KS-87 Lenses

2002-03-21 Thread Gene Johnson
sized chunk of glass. I don't have a lot of time right now, but I would be happy to get you some dimensions as soon as I can. Gene Johnson - Original Message - From: Dr Carlo Kopp [EMAIL PROTECTED] To: [EMAIL PROTECTED] Cc: [EMAIL PROTECTED] Sent: Thursday, March 21, 2002 2:56 AM Subject

Re: [Cameramakers] Re: KS-87 Lenses

2002-03-21 Thread Gene Johnson
When you say diameter, are you talking about the diameter of the glass lens, or are you referring to the housing? Gene - Original Message - From: Dr Carlo Kopp [EMAIL PROTECTED] To: [EMAIL PROTECTED]; Dr Carlo Kopp [EMAIL PROTECTED] Sent: Thursday, March 21, 2002 5:29 AM Subject:

Re: [Cameramakers] military aerial surveillance camera

2002-03-21 Thread Gene Johnson
Definitely a U-2, almost for sure not a KS-87 (too early), But I've never heard for sure which camera(s) were used. Gene - Original Message - From: Murray [EMAIL PROTECTED] To: [EMAIL PROTECTED] Sent: Thursday, March 21, 2002 1:30 PM Subject: [Cameramakers] military aerial surveillance

Re: [Cameramakers] military aerial surveillance camera

2002-03-21 Thread Gene Johnson
That would have been the famous Hycon B. I suspected that but didn't know til now. As far as I know it was made specially for the U-2 and no other plane. Gene - Original Message - From: Fox, Bruce [EMAIL PROTECTED] To: [EMAIL PROTECTED] Sent: Thursday, March 21, 2002 2:20 PM Subject:

Re: [Cameramakers] Test of Aero Ektar 178 mm

2002-02-22 Thread Gene Johnson
Hi All, Great info on the Aero Ektar. I've been looking for a deal on one of those for a while myself. Gonna be harder now. I am just putting the finishing touches on a 4x5 ( Man I'm slow) that uses Aero lenses. There are quire a few Aero lenses available right now. The Military is going

Re: [Cameramakers] Re:Helicoid focus

2002-02-21 Thread Gene Johnson
Hi, Depending on how much focusing you need, you might be able to do something with the compression fitting for a sink drain. Gene - Original Message - From: Larry Pat Nieland [EMAIL PROTECTED] To: [EMAIL PROTECTED] Sent: Thursday, February 21, 2002 5:16 PM Subject: [Cameramakers]

Re: [Cameramakers] Ross 5 f4 Torpedo camera lens

2002-02-04 Thread Gene Johnson
a whole collection. Gene Johnson - Original Message - From: Monte Collard [EMAIL PROTECTED] To: [EMAIL PROTECTED] Sent: Monday, February 04, 2002 12:09 PM Subject: [Cameramakers] Ross 5 f4 Torpedo camera lens I have had this lens for the last 25yrs. I had made friends with a man who

Re: [Cameramakers] LEDs/ cold source temp

2002-02-04 Thread Gene Johnson
Do you happen to know what the light color temp is supposed to be for the cold light heads? I keep looking at all these neat compact flourescent lamps at Home Depot, and wondering if they would work. I've seen some that have the deg K on the packaging, though I can't remember just what they

Re: [Cameramakers] An intro

2002-01-05 Thread Gene Johnson
Excellent site! I will return there many times I'm sure. I will have questions. Gene Johnson - Original Message - From: John [EMAIL PROTECTED] To: [EMAIL PROTECTED] Sent: Saturday, January 05, 2002 3:33 AM Subject: [Cameramakers] An intro Hello ! I have been lurking around

Re: [Cameramakers] Recycling Polaroid Pack Cameras

2001-12-20 Thread Gene Johnson
Marv, We think a lot alike. I've been looking at an old Polaroid rangefinder camera I have here and wondered about putting a real lens and either a rollfilm back or a 4x5 back on it. They're so sturdy and the rangefinder is excellent. So these had a fl of 127mm? Hmm. Gene Marv Soloff

Re: [Cameramakers] f-stops, front mounted irises

2001-12-17 Thread Gene Johnson
Hi Leonard, Actually, this will be ok. This lens is so physically large I will not be using any movements with it. I was really pleasantly surprised to get f16. I was prepared to be happy with f8. The interesting thing here, which is probably intuitive anyway, is the difference between

Re: [Cameramakers] Use of pocket Lasers with rangefinder cameras

2001-12-17 Thread Gene Johnson
Cool Idea Marv! Gene Marv Soloff wrote: Robert Stoddard wrote: Marv, As I recall the Focuspot, the light source sat on the top end of the vertically mounted RF and shone its light through a little transparent port directly along the axis of the RF. Because of the beam-splitter

Re: [Cameramakers] Irises, f-stops

2001-12-15 Thread Gene Johnson
the iris this way will cost me a lot of coverage, but on this lens I may have it to spare. Would the stops in that case be just the aperture divided by the focal length? Gene Johnson ___ Cameramakers mailing list [EMAIL PROTECTED] http

[Cameramakers] Irises, f-stops

2001-12-14 Thread Gene Johnson
in that case be just the aperture divided by the focal length? Gene Johnson ___ Cameramakers mailing list [EMAIL PROTECTED] http://rmp.opusis.com/mailman/listinfo/cameramakers

Re: [Cameramakers] Keeping Old Leather Bellows Soft

2001-12-13 Thread Gene Johnson
DTS (Downtown Saddlery) 9345 Mission Gorge Rd. Santee Ca. 92071 Ray or Kathy. They have quite a selection and will ship. What about Goatskin? Very thin and flexible. Gene Johnson Michael Hendrickson wrote: Hello, I have yet another recommendation. History first: About 18 years ago I

Re: [Cameramakers] 8x10 enlarger

2001-12-10 Thread Gene Johnson
Phil, I'm not sure about the wavelength distribution, but there are a lot of different flourescent replacement bulbs that would probably work with a lot less heat. Some are sort of amber, some are fairly blue, but there might be some nice full spectrum ones out there. Gene Johnson Philip J

Re: [Cameramakers] 8x10 enlarger

2001-12-01 Thread Gene Johnson
works pretty well. Groundglass would probably would work, but you might need more than one to diffuse adequately. Probably a very rough sandblasted glass would work best. Hey, how about taking a disc sander to BOTH sides of a piece of plexiglass? Hope something helps. Gene Johnson Philip J

Re: [Cameramakers] Kodak Tourist (6x9) Conversions

2001-11-25 Thread Gene Johnson
Marv, I've done just what you're doing. Mine is the coated 3 element Anaston in the Kodamatic shutter and works amazingly well. Find a lens shade! Flares pretty badly into the sun. You're right, it's a lot of camera for the money. Looks nice too. Gene Marv Soloff wrote: Just a couple of

Re: [Cameramakers] Kodak Tourist (6x9) Conversions

2001-11-25 Thread Gene Johnson
Marv, That's a hoot! I used the brass tube from the hobby store. Epoxied it on! Well, if nothing else I can tell you your plan will work. f16 is pretty sharp, f4.5 nice for partraits. You'll be pleasantly surprised, I think. It's no Medalist Ektar, though. Gene Marv Soloff wrote: Gene

Re: [Cameramakers] Silvestri Cameras

2001-11-19 Thread Gene Johnson
Fantastic stuff! Gene Marv Soloff wrote: Has anyone on the NG taken a good look at the Silvestri line of specialized MF cameras: http://www.silvestricamera.com/ Much food for thought about how Silvestri does things and if their techniqes can be adapted to a homebuilt camera.

Re: [Cameramakers] Bellows, aerial film etc

2001-11-16 Thread Gene Johnson
William, Thanks for all the suggestions. Remember, this is aerial COPY film. It doesn't actually go into an airplane. Makes no difference though, all your thoughts are just as valid. I had some time today to do some research, based on the suggestions given here. Interesting stuff out there.

Re: [Cameramakers] Developing ortho copy film, (was Halation)

2001-11-15 Thread Gene Johnson
know AA's water bath technique, I will have to do some more reading. Gene Johnson Robert Stoddard wrote: You need a highly compensating developer (high dilution and infrequent agitation) or the water-bath technique used by Ansel Adams. Both have the effect of exhausting the developer

[Cameramakers] Graflex magazine and septums.Help

2001-11-08 Thread Gene Johnson
Hello all, I just got a Graflex magazine and a set of 12 septums from Steve Grimes. He was selling it on eBay. I can find no earthly way to get the septums into the magazine. There is a difference of about 1.5mm between the inside of the magazine and the outside of the septums. That is, the

Re: [Cameramakers] Graflex magazine and septums.Help

2001-11-08 Thread Gene Johnson
of an inch too tall to fit in the magazine. I'm pretty sure I have some kind of mismatch going on, but I'm stumped as to what these septums are for. Gene Marv Soloff wrote: Gene Johnson wrote: Hello all, I just got a Graflex magazine and a set of 12 septums from Steve Grimes. He

Re: [Cameramakers] 120 Takeup winders wanted

2001-10-31 Thread Gene Johnson
- From: Gene Johnson [EMAIL PROTECTED] To: [EMAIL PROTECTED] Sent: Tuesday, October 30, 2001 9:02 PM Subject: Re: [Cameramakers] 120 Takeup winders wanted Dwight, Most of the old folders have them. If you're interested I have an old one around here somewhere that would probably do

Re: [Cameramakers] 120 Takeup winders wanted

2001-10-31 Thread Gene Johnson
it to work. Hobby shops that deal in RC planes usually have a good selection of piano wire. If you get stuck for gears let me know, I have a surplus store that has tons of them. Good luck. Gene TSHACK wrote: - Original Message - From: Gene Johnson [EMAIL PROTECTED] To: [EMAIL PROTECTED

Re: [Cameramakers] 120 Takeup winders wanted

2001-10-30 Thread Gene Johnson
Dwight, Most of the old folders have them. If you're interested I have an old one around here somewhere that would probably do the trick. Gene TSHACK wrote: Does anyone know where I can get, or how I can make easily, the takeup winder mechanism, i.e. the knob that only turns one way?

Re: [Cameramakers] Graflex historical/restoration info

2001-10-29 Thread Gene Johnson
Roger and list, I also have some Graflex parts scattered about. Got to love those big focal plane shutters. Though, I think there was some discussion about the Speed Graphic type shutter, and the predominant opinion was that it was probably not possible. Does the RB D have a wide open slit in

Re: [Cameramakers] Re: 5 film/processing

2001-10-25 Thread Gene Johnson
Andy, I think it is Aerial with extended red sensitivity or something like that. Thanks for the tip. I've been thinking all kinds of thoughts about how how to go about developing this stuff and the 500 ft of Aerial copy film I already have. I think I have a few ways to go, I just have to

[Cameramakers] Aero film/ anti halation

2001-10-25 Thread Gene Johnson
Hi all, The 5 inch film I'm thinking about buying is Plus-X Airecon II which does have an .20 mil dyed gel backing. Does anyone have any experience with this film? Gene ___ Cameramakers mailing list [EMAIL PROTECTED]

Re: [Cameramakers] Aero film/ anti halation

2001-10-25 Thread Gene Johnson
Jamie, I went into the specs sheet on the Kodak website and it specifically called out an anti-halation coating. Thanks. Gene James Young wrote: Hi all, The 5 inch film I'm thinking about buying is Plus-X Airecon II which does have an .20 mil dyed gel backing. Does anyone have any

Re: [Cameramakers] 5 inch rollfilm backs

2001-10-25 Thread Gene Johnson
David, I ran a PC-cillin program on my c drive and didn't come up with anything. I don't know how safe I should feel though. Gene David Nicholson wrote: Just want to alert you that I received a virus in this message. - Original Message - From: Gene Johnson [EMAIL PROTECTED

[Cameramakers] Re:Air Force Recon Cameras/ film flattening

2001-10-24 Thread Gene Johnson
. These cameras typically operate in the 65-85 lp/mm resolution range with Kodak plus-x aero film. Gene Johnson george jiri loun wrote: Finally said, thanks William! George - Original Message - From: William Nettles [EMAIL PROTECTED] re: glass panels at the film plane. I think we're all

[Cameramakers] 5 inch rollfilm backs

2001-10-24 Thread Gene Johnson
can be obtained. It would have to be thin, opaque, at least 5 inches wide, and not black on one side so we can see the numbering. Any ideas? Gene Johnson ___ Cameramakers mailing list [EMAIL PROTECTED] http://rmp.opusis.com/mailman/listinfo/cameramakers

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