Re: Custom Machinist doing gods work...

2008-11-29 Thread P. J. Alling
Why stop at 500-600mm when there's this http://www.bdimitrov.de/kmp/lenses/primes/extreme-tele/A1200f8.html and this http://www.bdimitrov.de/kmp/lenses/primes/extreme-tele/M2000f13.5.html Tim Bray wrote: HolyI hadn't known that these 400+ lenses existed... now I feel my K20 is incomplet

Re: Custom Machinist doing gods work...

2008-11-29 Thread Tim Bray
HolyI hadn't known that these 400+ lenses existed... now I feel my K20 is incomplete without one. -T -- PDML Pentax-Discuss Mail List PDML@pdml.net http://pdml.net/mailman/listinfo/pdml_pdml.net to UNSUBSCRIBE from the PDML, please visit the link directly above and follow the directions.

Re: Custom Machinist doing gods work...

2008-11-28 Thread John Celio
tch the lens! John -- http://www.neovenator.com http://www.cafepress.com/neovenatorphoto - Original Message - From: "Mark Roberts" <[EMAIL PROTECTED]> To: "Pentax-Discuss Mail List" Sent: Friday, November 28, 2008 1:39 PM Subject: Re: Custom Machinist doi

Re: Custom Machinist doing gods work...

2008-11-28 Thread Mark Roberts
What am I missing here? My Pentax K500/4.5 mounts just fine on both my K1000 film body and my K20D digital body, with no problem in focusing to infinity. Of course, focusing is manual unless I use my F1.7x AF Teleconverter behind the lens... The front mount on that adapter looks very "differe

Re: Custom Machinist doing gods work...

2008-11-28 Thread Ken Waller
IL PROTECTED]> Subject: Re: Custom Machinist doing gods work... Jim, I think that the 500mm that was modified was a screw mount lens. I know the one that I saw locally for sale is, and my big concern is all that weight hanging on a flimsy M-42 adapter. Walt What am I missing here? My Pentax

Re: Custom Machinist doing gods work...

2008-11-27 Thread P. J. Alling
The the adapter is quiet strong, made from the same stainless steel as the lens mounts on the cameras. I'd worry that those high quality lens mounts aren't attached directly to the camera frame but seem to be screwed into the plastic of the body. I don't think I'd carry anything heavier than

Re: Custom Machinist doing gods work...

2008-11-27 Thread Mat Maessen
On 11/27/08, Walter Hamler <[EMAIL PROTECTED]> wrote: > In theory I agree, however the 300mm f/4 screw mount I had on a DL was > heavy enough to cause some torqueing that I was uncomfortable with. > Of course, I was also using one of the cheapie Hong Kong adapters at first. I've had no problems

Re: Custom Machinist doing gods work...

2008-11-27 Thread Walter Hamler
In theory I agree, however the 300mm f/4 screw mount I had on a DL was heavy enough to cause some torqueing that I was uncomfortable with. Of course, I was also using one of the cheapie Hong Kong adapters at first. Walt On Thu, Nov 27, 2008 at 10:26 AM, David Savage <[EMAIL PROTECTED]> wrote: > S

Re: Custom Machinist doing gods work...

2008-11-27 Thread David Savage
Shouldn't be an issue. With big lenses the camera hangs off them, not the other way around. Cheers, Dave 2008/11/28 Walter Hamler <[EMAIL PROTECTED]>: > Jim, I think that the 500mm that was modified was a screw mount lens. > I know the one that I saw locally for sale is, and my big concern is >

Re: Custom Machinist doing gods work...

2008-11-27 Thread Walter Hamler
Jim, I think that the 500mm that was modified was a screw mount lens. I know the one that I saw locally for sale is, and my big concern is all that weight hanging on a flimsy M-42 adapter. Walt > What am I missing here? My Pentax K500/4.5 mounts just fine on both my > K1000 film body and my K20D

Re: Custom Machinist doing gods work...

2008-11-27 Thread P. J. Alling
That was my question, maybe it was originally supplied with a 67 mount, and the owner wanted it to work on the K1000 without any adapter, or maybe the mount was lost... Jim King wrote: P. J. Alling wrote on Wed, 26 Nov 2008 13:30:17 -0800: I don't know exactly why you'd need a custom made ad

Re: Custom Machinist doing gods work...

2008-11-26 Thread Jim King
P. J. Alling wrote on Wed, 26 Nov 2008 13:30:17 -0800: I don't know exactly why you'd need a custom made adapter like this but if it works on a K1000 it'll work on a K20d http://www.skgrimes.com/thisweek/1-11-08-2141/index.htm What am I missing here? My Pentax K500/4.5 mounts just fine on

Re: Custom Machinist doing gods work...

2008-11-26 Thread Joseph McAllister
Sound like someone is looking for a Pentax 1.7x AF tele-extender. Joseph McAllister Lots of gear, not much time On Nov 26, 2008, at 13:45 , Walter Hamler wrote: Boy, if only he could make it AF as well! There is a used camera store here that has one of those 500mm in very nice condition. He qu

Re: Custom Machinist doing gods work...

2008-11-26 Thread Walter Hamler
Boy, if only he could make it AF as well! There is a used camera store here that has one of those 500mm in very nice condition. He quoted me a decent price some time back but I can't justify it. Walt On Wed, Nov 26, 2008 at 4:25 PM, P. J. Alling <[EMAIL PROTECTED]> wrote: > I don't know exactly w

Custom Machinist doing gods work...

2008-11-26 Thread P. J. Alling
I don't know exactly why you'd need a custom made adapter like this but if it works on a K1000 it'll work on a K20d http://www.skgrimes.com/thisweek/1-11-08-2141/index.htm -- You get further with a kind word and a gun, than with a kind word alone. --Al Capone. -- PDML Pentax-Discuss M