Years ago, I solved a somewhat similar problem of bicycle handlebars which
slipped and rotated within the bicycle stem. I coated the center part of
the bars (where they were gripped by the stem) with a thin layer of epoxy
adhesive. Then, while it was still fresh, I wrapped a layer of about
Hi David,
Maybe it would be sensible to look for a usable old 8x10 or 11x14 camera
on eBay or elsewhere. Otherwise, aren't you going to have to get into the
complexities of making bellows and boxes, movable lens standards, etc. If
you could get some of these problems already solved for you
To check on the OSLO design software go to the Sinclair Optics site,
www.sinopt.com. Also see Modern Lens Design ISBN 0-07-059178-4. RKS
From: A. Buck - G. Wietelmann [EMAIL PROTECTED]
Reply-To: [EMAIL PROTECTED]
To: [EMAIL PROTECTED]
Subject: Re: [Cameramakers] Looking for good optics text
mailing it to this
list), Cirkuts and Al-Vistas. However, Roundshot does
make a 5 version with a 65mm super angulon (I think).
And old aerials, like you mentioned. I don't know of
any 5 roll film holders for 4x5 cameras.
andy
--- Robert Stoddard [EMAIL PROTECTED] wrote:
Hi Andy,
I hate
These also fitted cameras without the Graflok back, by means of mounting
lugs that could be supported on the same screws which pass through the leaf
springs on the spring back. RKS
From: [EMAIL PROTECTED] (Lyndon Fletcher)
Reply-To: [EMAIL PROTECTED]
To: [EMAIL PROTECTED]
Subject:
Hi Ron,
Do you know who the (real) manufacturer is, or the country where this IR
film is made? RKS
From: Ron Baker [EMAIL PROTECTED]
Reply-To: [EMAIL PROTECTED]
To: [EMAIL PROTECTED]
Subject: Re: [Cameramakers] 5 bw film for sale
Date: Tue, 12 Jun 2001 06:42:51 -0500
Hi Dan
The big four
The spring-and-groundglass assembly was held in place with a couple of
screws, one through each leaf spring, and they were easily removable for
mounting the Graflarger or a roll film holder. In both these cases, the
accessory was mounted with screws in the same holes (sometimes the same
Here's another idea: I have been intrigued by the possibilities of using
what are called compact fluorescent bulbs to form a light head. These lamps
are designed to replace an ordinary screw-base household bulb and provide
fluorescent advantages (low power consumption and heating with high
PROTECTED]
Reply-To: [EMAIL PROTECTED]
To: [EMAIL PROTECTED]
Subject: Re: [Cameramakers] Speed Graphic Enlarger
Date: Fri, 15 Jun 2001 08:24:14 -0700
Robert
I was thinking about that too. It sure seems like that might work great
but then I know right next door to nothing about this.
Gene
Robert
and it looks like a real
candidate. I bought it at Home Depot and it's rated at 27W but it's
real bright. It has four small tubes laid out flat, which should make it
easy to get a nice even distribution.
Gene
Robert Stoddard wrote:
Hi Gene,
Since the only real question that I can see is about
Hi Matt,
The problem is that fluorescent lamps don't have a continuous spectrum of
colors of light as a hot filament lamp does. This probably would not be a
problem if you are using single contrast-grade BW enlarging paper, since it
would only affect the time required to print. If using
add 110 volts. It says on the box no hum, instant start,
instant re-strike. It also says it has New Flourex Technology. It
might make a pretty good enlarger light source for not much money.
Gene
Robert Stoddard wrote:
Hi Gene,
There is no doubt that some of them are visually much more
Has anyone compared this with ground glass prepared by abrasive methods as
to fineness, brightness, etc.? RKS
From: Matt Mengel [EMAIL PROTECTED]
Reply-To: [EMAIL PROTECTED]
To: [EMAIL PROTECTED]
Subject: Re: [Cameramakers] Making ground glass Super easy
Date: Thu, 28 Jun 2001 17:33:14 -0700
Has anyone figured out how to make these shutters work (besides the original
manuf. and customer)? RKS
From: Gene Johnson [EMAIL PROTECTED]
Reply-To: [EMAIL PROTECTED]
To: [EMAIL PROTECTED]
Subject: Re: [Cameramakers] aerial camera shutter assy..
Date: Sun, 29 Jul 2001 09:48:42 -0700
I have
For what it's worth, I still remember a large test of available developers
that was printed by Modern Photography or Pop Photo in the 50's. They were
looking for a best developer for the thin-emulsion 35mm films which were
becoming available then from Adox and others. Most of the many
Peter,
This is interesting, because I used Neofin blue a fair amount in those
years to develop Adox KB14 and especially, KB17. I distinctly remember it
as a single-solution developer, supplied as a liquid concentrate in five
little glass vials to a box. I found the two-part Beutler formula
I have long suspected that a fairly simple internal modification to the
Graflex FP shutter might make the O (i.e., full-negative-size) slit run
past the film without stopping as it now does. Then you could just add a
flash contact that closes as the slit is aligned with the negative, giving
Do you guys really mean one ten-thousandth of an inch shim stock? Can you
possibly mean one thousandth of an inch (i.e., 0.001)? RKS
From: Guillermo [EMAIL PROTECTED]
Reply-To: [EMAIL PROTECTED]
To: [EMAIL PROTECTED]
Subject: Re: [Cameramakers] Re: pinhole camera
Date: Thu, 20 Sep 2001
If you were to use a wide-angle (i.e., short focus) lens, wouldn't you have
to use much less than 1/2 a sphere in order to have the lens close enough to
the film to focus? RKS
From: [EMAIL PROTECTED]
Reply-To: [EMAIL PROTECTED]
To: [EMAIL PROTECTED], [EMAIL PROTECTED]
Subject: Re:
Hi Manuel:
Why not build a metal-frame viewfinder similar to the ones which used to
be used on Speed Graphic press cameras. These simple finders were
remarkably effective since they had parallax compensation and even
field-size compensation, since the front frame was mounted on the moving
Is this available in more ordinary sizes, such as perhaps 10 X 15 cm or
thereabouts? RKS
From: ZoneV [EMAIL PROTECTED]
Reply-To: [EMAIL PROTECTED]
To: [EMAIL PROTECTED]
Subject: Re: [Cameramakers] Thin glass for a within-camera platen - thanks
for help
Date: Fri, 19 Oct 2001 12:47:34 +0200
The idea of vacuum back or pressurized bellows sounds good, but how do you
avoid the problem that only the paper film backing is likely to be
flattened, not the film itself? Or, do you plan to use this technique only
with paperless film such as 70mm or 220? RKS
From: Jeffrey Goggin [EMAIL
a developer that will get more useful tones from this
film. Does anybody remember anything about this combo or this developer?
I don't 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
Marv,
Please let us know which lens is on your Tourist when you report your
results. Also, what is the diameter of the tubing you used to enlarge the
centering spindles for 120, and where did you get it? RKS
From: Marv Soloff [EMAIL PROTECTED]
Reply-To: [EMAIL PROTECTED]
To: [EMAIL
Seems to me I read an article on leather book bindings once that said
there were certain unknown factors that affected how long they would last,
and that some from more than a century ago were outlasting more recent ones
(nervous modern cattle, less nourishing feed, unknown factors in
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 mirror,
half of the light emerged from the top window of the RF, half
I'm looking for
another rear lens cap so that I can mount this lens on a lens board and try
this for myself. This would, in my opinion, make a very cheap and effective
camera for still or guided astronomical images.
Ron,
I have had some success mounting an occasional odd lens for 4 X 5 use by
3. Am I an idiot for trying to build a camera I've never even seen before?
Would it be better to sink my couple of hundred dollars into a cheapie used
4x5, get some expreience in the format, then try to build a camera?
No, you're not an idiot, but there is a lot to be said for trying large
The elements have a 76cm diameter,
We are talking about some serious glass here!!! ;)
bye, sid.
Yes, I have sat at barroom tables of a lesser diameter! RKS
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Join the worlds largest e-mail
I want to replace the felt of a Patent Etui camera. I checked micro-tools,
but they only have foam. Does anybody know a source for black felt, about
2mm (about 1/16 to 3/32 of an inch) thickness?
Thanks,
Ilja.
Ilja,
I imagine this is to replace the material at the back of the camera, where
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 -
Gene,
Is Windisch developer available already prepared,
Is there a rule-of-thumb when it comes to determing the size of the bellows
to be used with any given format? I have recently started thinking about
modifying my Toyo 23G so I can occasionally shoot 4x5 sheetfilm with it and
while there is enough space between the the rear standard uprights to
I'm thinking about adapting my Arca-Swiss 5x4 camera for hand-held use.
I'll basically use one of its format frames with its standard 5x4 back,
and mount a wide angle (maybe 55mm or 75mm) lens in a focus mount on the
front.
Any ideas on how to make/modify etc some sort of viewfinder would be
A wire frame should be quite accurate provided the hole at the eye-end is
not too large.
I would add to this and so long as the wire frame can be placed far enough
away from the eye such that its outline is not too out-of-focus when looking
at the object.
On the adequacy for use with a
I disagree as to the difficulty. But, if the object of the exercise is
to spend $200 for a used Horseman back, go for it. I never spent more
than a couple of dollars for my Polaroid backs, and they all work.
Marv,
How did you handle the problems that others have asked about relating to
the
I did an article in the July/August issue of View Camera Magazine on
building soft focus lenses. I have wonderful results using meniscus lenses
(close-up lenses usually). What you really want is a variable iris and a
shutter. If you can't find a copy of the article let me know, I have a PDF
The reason the brake fluid works is that these old finishes were
shellac, not varnish. The brake fluid softens the shellac which then
rehardens.
This is exactly what went through my mind when I read about the whitening
effect of the water-- shellac was famous for the ease with which it could be
Aren't there other issues concerning the image quality that haven't been
addressed? I can think of:
(1) The enlarging lens must not only have the ability to transmit the UV
radiations which are to expose the paper, it must have the ability to form a
high quality, well-focused image in the
I suggest you check with Hearst about that.
Seems to me from reading the Duration... paragraph, that an article
published in 1942 is incontestably in the public domain, no matter what
Hearst says... RKS
_
MSN 8 with e-mail virus
Howdy Ya'll, I bought two element groups of a 40 BL telestigmat.
Is this one of the lenses that was made for the Tele-Graflex cameras used by
the newspapers years ago to take sports pix from well up in the stands? If
so, it will probably cover 4 X 5. :) RKS
There is a interesting homemade camera on E-Bay.. Just found it
interesting.. John Cremati.
John,
How does this camera focus? Is it a sliding-box type? RKS
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