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10-08-2012, 08:53 AM - 1 Like   #1
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home made tilt and shift for 645D


Hello,


i just finish the building of an accessory for my 645D to have lens tilt and shift.
the front part is taken from an old Linhof color 4x5 view camera, the micrometric focusing elements are from optical industry and all carbon fiber parts and bellows are home made :-)

the lens i will use is the Schneider Digitar 90mm, at the moment my lens is sent to germany for servicing but i hope to be able to take pictures with this system very soon !

you can see all building details on my web site here : Tilt and Shift sur Pentax 645D It is written in french but you can translate easily with google translation,

regards,

Christophe




10-08-2012, 09:41 AM   #2
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Neat!
10-08-2012, 10:59 AM   #3
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I love seeing how people tackle a challenge with ingenuity and an eye for craftsmanship. This looks very promising. Please post photos once you get your lens back!
10-08-2012, 11:00 AM   #4
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Is there still aperture control with that Digitar 90mm?

10-08-2012, 11:48 AM   #5
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thank you for your kind posts

the aperture is included in the digitar, but there is no link between the 645D and the lens, so i should change aperture manually on the lens. It's not really a problem : i'll shoot landscapes on a tripod so i have time to do things manually !

you have also a 645D review on my web site with full resolution images here : Pentax 645D

Christophe
10-12-2012, 09:47 PM   #6
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Is it safe to assume that 90mm is about as short as you can go with that setup?


Steve
10-13-2012, 10:38 AM   #7
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yes, it could be 80mm without movements, but if you want to have room enough to move the lens for shifting and tilting, 90mm with a recessed lens board is ok,

christophe
10-14-2012, 12:39 AM   #8
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QuoteOriginally posted by oxonet2000 Quote
Hello,


i just finish the building of an accessory for my 645D to have lens tilt and shift.
the front part is taken from an old Linhof color 4x5 view camera, the micrometric focusing elements are from optical industry and all carbon fiber parts and bellows are home made :-)

the lens i will use is the Schneider Digitar 90mm, at the moment my lens is sent to germany for servicing but i hope to be able to take pictures with this system very soon !

you can see all building details on my web site here : Tilt and Shift sur Pentax 645D It is written in french but you can translate easily with google translation,

regards,

Christophe


Wow!...I've look on your site to see how it's made, but I'm impressed by your skills!
Great job!

Henk

10-16-2012, 12:24 AM   #9
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Thank you Henk :-)

you know, working with carbon fiber is not very hard, and i just put together existing elements, you just have to think and choose the right elements. Everything was found used on ebay, even optical elements of the lens, carbon fiber ...
the only things i really built myself is the 2 carbon fiber parts ( for the base and the link between the linhof front and the front focus element ), and the bellows.

Christophe
10-16-2012, 02:09 AM   #10
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Very impressive! how about posting some end results?
10-16-2012, 02:35 AM   #11
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My hat off to your ingenuity and skills and I am really interested to see the results . Hope you don't mind me mentioning this is one heck of an ugly bastard though

I am intrigued, absolutely love it when people find solutions like these!
10-16-2012, 03:03 AM   #12
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yes i 'll post some results when the lens will come back from schneider in germany:
i bought the 2 used optical elements ( apo digitar 90mm 4.5 for digital medium format ) whithout the shutter: the 645D has his own shutter so a copal 0 would have been useless, Schneider is mounting the optical elements on a IRIS mount ( only an aperture without shutter ) like the mounts for enlarging lenses. They don't have stock for that kind of mount and i have to wait 2 or 3 weeks before it's done ...

christophe
10-16-2012, 07:28 AM   #13
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i have found this adapter on ebay

Digital Back Adapter Platte f. 4x5 Großbildformat Fachkamera an Pentax 645D Body | eBay

probably you can attach it to any large format camera, and us the 645d as a digital back. i don't now what kind of lenses u can use. I have seen a video from a large camera manufacturer made during photokina, and they used a similar adapter to attach nikon and canon ff dslr, and they used many lenses from 150 even a 28 mm schneider with limited movement.

i think your idea is similar to use this and a large format camera, or am i wrong?
10-16-2012, 07:35 AM   #14
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yes it is similar but with this adapter you have to add 40mm more to the 70mm camera mount, so the minimum focal lengh would be 110mm + spare room for lens movement and bellows ( around 130 mm minimum focal lengh ).
That's why i did not use this adapter for my building, i wanted to be abble to mount a 90mm .
but if you plan to use only long focal ... it could be a good and easy solution !

christophe
10-16-2012, 07:36 PM   #15
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I love it. Wouldn't mind having that setup for my 645.
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