Originally Posted by
LabRat
I also was going to mention parallax, but others have posted, too... But here's the rub... Not only is the framing off, but with a big camera, everything is shot with a different viewpoint... Say you are trying to shoot a headshot up close... Say that the distance between the two lenses is 6 or so inches... That means that at an eye level angle, your angle will be 6" lower all the time, so now the lens will be aiming up the sitter's nose and shooting upward...
I think a camera like this would take a lot of getting used to... It will be a large beast, heavy, balky, bulky, clumsy, image always reversed in finder, fairly slow to operate, and limited movements for a big camera... And if someone made one for their own use, the shakedown period would take a long time (with many frustrations)... Probably end up not shooting with it much...
Maybe a more doable project would be to build a large camera version of one of those DeMornay/Budd waist level finders they used to clip on the top of Leicas in the 30's/40's, with a GG, reflex mirror, and viewing lens... It could mount closer to the lens, as it wouldn't have to be full size as your camera format, could pivot a little for some form of parallax correction, if a small one you could use smaller format focusing mount (interchangable???) lenses that (about) match the angle of your main lens, so not the same as a TLR, but at least you can have a finder that you can check the subject's face while shooting, while you have done the focusing/framing beforehand and set the finder to (about) match the shot on your GG... Maybe getting an old Leitz Visoflex or Kilfitt reflex finder and an old lens, and the matching focusing magnifier for it as an viewing aid???
Muse, muse, muse...
Steve K
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