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Pentax 6x7 Lens Adapter ?

 
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user1993

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Since: Jul 08, 2003
Posts: 2



(Msg. 1) Posted: Tue Jul 08, 2003 10:08 am
Post subject: Pentax 6x7 Lens Adapter ?
Archived from groups: rec>photo>equipment>medium-format (more info?)

Is there an adapter that can attach to Pentax 67 lenses to a (large
diameter) screw thread ?

At work, I have a requirement to test large CCD arrays (5 x5 cm). So, medium
format camera lenses appear to give the correct image size.

I would require something that can attach the Pentax lens to a plate in
front of my CCD array.

Any thoughts & advice gratefully accepted.

A UK source would be preferable.

thanks

Ian

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robertdfeinman

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Since: Jun 11, 2004
Posts: 244



(Msg. 2) Posted: Tue Jul 08, 2003 11:13 am
Post subject: Re: Pentax 6x7 Lens Adapter ? [Login to view extended thread Info.]
Archived from groups: per prev. post (more info?)

modify a rear lens cap so that there is a hole in the center
for the light to pass through. attach this cap to a board
of metal or masonite with epoxy or a collar.
Mount the lens(es) to the cap as needed.
I've done this with 35mm several times for use on a view camera.
It should work for MF as well.


Ian Tosh wrote:
 > Is there an adapter that can attach to Pentax 67 lenses to a (large
 > diameter) screw thread ?
 >
 > At work, I have a requirement to test large CCD arrays (5 x5 cm). So, medium
 > format camera lenses appear to give the correct image size.
 >
 > I would require something that can attach the Pentax lens to a plate in
 > front of my CCD array.
 >
 > Any thoughts & advice gratefully accepted.
 >
 > A UK source would be preferable.
 >
 > thanks
 >
 > Ian
 >
 >

--
Robert D Feinman
robertdfeinman.TakeThisOut@netscape.net
Landscapes, Cityscapes, Panoramas and Photoshop Tips
<a style='text-decoration: underline;' href="http://robertdfeinman.com" target="_blank">http://robertdfeinman.com</a><!-- ~MESSAGE_AFTER~ -->

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john36

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Since: Aug 04, 2003
Posts: 57



(Msg. 3) Posted: Wed Jul 09, 2003 2:16 am
Post subject: Re: Pentax 6x7 Lens Adapter ? [Login to view extended thread Info.]
Archived from groups: per prev. post (more info?)

In article <bedu4j$17j6@newton.cc.rl.ac.uk>, Ian Tosh
<ian.tosh.DeleteThis@rl.ac.uk> writes
 >Is there an adapter that can attach to Pentax 67 lenses to a (large
 >diameter) screw thread ?
 >
 >At work, I have a requirement to test large CCD arrays (5 x5 cm). So, medium
 >format camera lenses appear to give the correct image size.
 >
 >I would require something that can attach the Pentax lens to a plate in
 >front of my CCD array.
 >
 >Any thoughts & advice gratefully accepted.
 >
 >A UK source would be preferable.

There's a company that makes custom mount adapters in the UK, called
'SRB' or very similar, although one offs would probably be expensive but
they may be able to help. I think their URL is <a style='text-decoration: underline;' href="http://www.srbfilm.co.uk" target="_blank">www.srbfilm.co.uk</a>

Either that or find a cheap Pentax 6x7 body and take it to bits.

--
John

Preston, Lancs, UK.
Photos at <a style='text-decoration: underline;' href="http://www.photopia.demon.co.uk" target="_blank">http://www.photopia.demon.co.uk</a><!-- ~MESSAGE_AFTER~ -->
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ckraft

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Since: Jun 03, 2004
Posts: 54



(Msg. 4) Posted: Wed Jul 09, 2003 5:21 am
Post subject: Re: Pentax 6x7 Lens Adapter ? [Login to view extended thread Info.]
Archived from groups: per prev. post (more info?)

On Tue, 8 Jul 2003 09:08:01 +0100, "Ian Tosh" <ian.tosh DeleteThis @rl.ac.uk>
wrote:

 >Is there an adapter that can attach to Pentax 67 lenses to a (large
 >diameter) screw thread ?
 >
 >At work, I have a requirement to test large CCD arrays (5 x5 cm). So, medium
 >format camera lenses appear to give the correct image size.
 >
 >I would require something that can attach the Pentax lens to a plate in
 >front of my CCD array.
 >
 >Any thoughts & advice gratefully accepted.
 >
 >A UK source would be preferable.
 >
 >thanks
 >
 >Ian
 >


Would an enlarging lens work? One would be quite easy to mount to
whatever you desired.


--

- Charles
-
-does not play well with others<!-- ~MESSAGE_AFTER~ -->
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user1993

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Since: Jul 08, 2003
Posts: 2



(Msg. 5) Posted: Wed Jul 09, 2003 9:27 am
Post subject: Re: Pentax 6x7 Lens Adapter ? - Thanks [Login to view extended thread Info.]
Archived from groups: per prev. post (more info?)

That's just what I need.

thanks

Ian

 > There's a company that makes custom mount adapters in the UK, called
 > 'SRB' or very similar, although one offs would probably be expensive but
<font color=purple> > they may be able to help. I think their URL is <a style='text-decoration: underline;' href="http://www.srbfilm.co.uk</font" target="_blank">www.srbfilm.co.uk</font</a>>
 ><!-- ~MESSAGE_AFTER~ -->
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drsmithhm

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Since: Aug 08, 2003
Posts: 19



(Msg. 6) Posted: Fri Jul 11, 2003 1:51 pm
Post subject: Re: Pentax 6x7 Lens Adapter ? [Login to view extended thread Info.]
Archived from groups: per prev. post (more info?)

In article <T03U1SAV71C$EwkG@photopia.demon.co.uk>,
John Halliwell <john.DeleteThis@photopia.demon.co.uk> wrote:
 >In article <bedu4j$17j6@newton.cc.rl.ac.uk>, Ian Tosh
 ><ian.tosh.DeleteThis@rl.ac.uk> writes
  >>Is there an adapter that can attach to Pentax 67 lenses to a (large
  >>diameter) screw thread ?
  >>
  >>At work, I have a requirement to test large CCD arrays (5 x5 cm). So, medium
  >>format camera lenses appear to give the correct image size.
  >>
  >>I would require something that can attach the Pentax lens to a plate in
  >>front of my CCD array.
  >>
  >>Any thoughts & advice gratefully accepted.
  >>
  >>A UK source would be preferable.
 >
 >There's a company that makes custom mount adapters in the UK, called
 >'SRB' or very similar, although one offs would probably be expensive but
<font color=purple> >they may be able to help. I think their URL is <a style='text-decoration: underline;' href="http://www.srbfilm.co.uk</font" target="_blank">www.srbfilm.co.uk</font</a>>
 >
 >Either that or find a cheap Pentax 6x7 body and take it to bits.
 >

This last suggestion is probably the most cost effective and professional
way to do it. Find a broken camera on that-well-known-auction site.
Otherwise, if it were me, I'd call a Pentax repair place and request a
replacement lens mount - probably the quickest, local way to do it if
you don't care for auctions.

--drsmith<!-- ~MESSAGE_AFTER~ -->
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john36

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Since: Aug 04, 2003
Posts: 57



(Msg. 7) Posted: Sat Jul 12, 2003 12:55 am
Post subject: Re: Pentax 6x7 Lens Adapter ? [Login to view extended thread Info.]
Archived from groups: per prev. post (more info?)

In article <bembtb$slh$1@pyrite.mv.net>, drsmith <drsmithhm.TakeThisOut@hotmail.com>
writes
 >This last suggestion is probably the most cost effective and professional
 >way to do it. Find a broken camera on that-well-known-auction site.
 >Otherwise, if it were me, I'd call a Pentax repair place and request a
 >replacement lens mount - probably the quickest, local way to do it if
 >you don't care for auctions.

Better still, ring Pentax UK and explain that you're looking into the
possibility of fitting a 5x5cm CCD into a 67 and you could do with some
bodies to work on Smile

--
John

Preston, Lancs, UK.
Photos at <a style='text-decoration: underline;' href="http://www.photopia.demon.co.uk" target="_blank">http://www.photopia.demon.co.uk</a><!-- ~MESSAGE_AFTER~ -->
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raoul

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Since: Jul 04, 2003
Posts: 43



(Msg. 8) Posted: Sat Jul 12, 2003 11:22 pm
Post subject: Re: Pentax 6x7 Lens Adapter ? [Login to view extended thread Info.]
Archived from groups: per prev. post (more info?)

[[ This message was both posted and mailed: see
the "To," "Cc," and "Newsgroups" headers for details. ]]

In article <bembtb$slh$1@pyrite.mv.net>, drsmith
<drsmithhm.RemoveThis@hotmail.com> wrote:

 > In article <T03U1SAV71C$EwkG@photopia.demon.co.uk>,
 > John Halliwell <john.RemoveThis@photopia.demon.co.uk> wrote:
  > >In article <bedu4j$17j6@newton.cc.rl.ac.uk>, Ian Tosh
  > ><ian.tosh.RemoveThis@rl.ac.uk> writes
   > >>Is there an adapter that can attach to Pentax 67 lenses to a (large
   > >>diameter) screw thread ?
   > >>
   > >>At work, I have a requirement to test large CCD arrays (5 x5 cm). So, medium
   > >>format camera lenses appear to give the correct image size.
   > >>
   > >>I would require something that can attach the Pentax lens to a plate in
   > >>front of my CCD array.
   > >>
   > >>Any thoughts & advice gratefully accepted.
   > >>
   > >>A UK source would be preferable.
  > >
  > >There's a company that makes custom mount adapters in the UK, called
  > >'SRB' or very similar, although one offs would probably be expensive but
<font color=green>  > >they may be able to help. I think their URL is <a style='text-decoration: underline;' href="http://www.srbfilm.co.uk</font" target="_blank">www.srbfilm.co.uk</font</a>>
  > >
  > >Either that or find a cheap Pentax 6x7 body and take it to bits.

An extension tube has both a male and female lens mount on it and it
would be much cheaper than an entire body. The tube would also give
your machinist a little more 'meat' to work with.

HTH

Jeff

  > >
 >
 > This last suggestion is probably the most cost effective and professional
 > way to do it. Find a broken camera on that-well-known-auction site.
 > Otherwise, if it were me, I'd call a Pentax repair place and request a
 > replacement lens mount - probably the quickest, local way to do it if
 > you don't care for auctions.
 >
 > --drsmith
 ><!-- ~MESSAGE_AFTER~ -->
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