sebboh wrote:
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looks very nice, i especially like the first shot. is this a c-mount lens?
Thank you.
No, it is a projection lens as far as I know. Only a long tube, no thread.
I didn´t understand the naming of the Som Berthiot lenses, I think there are taking lenses with the same Cinor P naming.
First impression: Sharpness is not very good, borders are bad - suppose the lens is for 16mm or it has some correction for non flat film - not sure if such things are made for (moving) film projection lenses).
I have a few projector lenses i've been wanting to shoot through as well but the registration depth for focusing on something 5 meters away or so is like 5 or 10 inches. Do you get infinity focus with that? I didn't fully understand the text on your page.
Bifurcator wrote:
I have a few projector lenses i've been wanting to shoot through as well but the registration depth for focusing on something 5 meters away or so is like 5 or 10 inches. Do you get infinity focus with that? I didn't fully understand the text on your page.
After non-reversible modification (use saw to shorten the long lens tube) it reaches infinity and beyond.
I have still some better projection lenses: Isco 50/1.2, Astro Berlin 50/1.4, Buhl 50/2.8, Emil Bausch 62,5mm/1.6 (?), Gaumont-Kalee 76/2.0, Zeiss Ikon 125/? - but the Som Berthiot was one of the best for both possibility to get infinity and image quality.
Some of the lenses have a pretty long register distance too - test them with some cheap manual extension tubes or on bellows.
One or two of the others seem good in macro/microphotography - but need more tests cause I can not remember which one.
The Meyer Diaplan 100/2.8 or most likely the Pentacon AV 100/2.8 slide projection lenses are Meyer Trioplan 100/2.8 copys - so they are very useful for photography.
Hmmm I have a 75mm~300 zoom from ELMO and a Kodak that looks like it would be good. I didn't try the Kodak but I hand-held the ELMO up in front of the GH1 and I had the impression it needed MORE length... Maybe that was with the image reversed tho - I can't remember just now. Hmmm, anyway your results make me wanna play with it. Nice!
#3 FTW! Tremendously smooth bokeh transition from the center of her face to the edge of her cheeks and neck. Did you perform any PP for that effect or is it all from the lens?
