Inspired by a recent Petapixel post this was project was completed
over my lunchtime today. Images and/or video to follow (eventually).

https://www.flickr.com/photos/pixelsmithy/22742155842/

The lens is a 105mm f/4.5 Carl Zeiss Jena Tessar (mounted in a Compur
0s shutter) that was borrowed from a circa 1930 Maximar 207/3 (which
is a mini 6x9 view camera). It's mounted to a drilled out m42 body
cap. That was screwed into an Asahi Pentax Bellows II, to which my
K-3II was mounted with a screwmount to K adapter. The Compur shutter
is set to T (left open) and the DSLR controls the exposure.

Believe it or not, this combo achieves infinity focus, something I
could NOT get with my earlier attempt at this idea:
https://www.flickr.com/photos/pixelsmithy/2754888119/

I used a plastic body cap for this proof-of-concept, but I think I
will see if I can find a metal m42 body cap to do it For Realsies.

-- 
Life is too short to put up with bad bokeh.

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