I never noticed this. I have an Old Standard. I have only a
couple of old style filters but no Rolleiners. I cant find my one
filter right now but looking at the finder and taking lenses it
appears that the distance to the front panel is the same. I can
measure it with a depth micrometer but it will have to wait until
later because I am about to leave. Of course the real test would
be to use a focusing screen in the film gate. A scrap of ground
glass will do. A photographic test would do as well, just make
sure the finder and taking lens are lined up correctly using some
sort of "paramender". I will also measure the diameter of the
newer lenses to see if the rims are the same. I suspect I stuck
the old filter in a case with a newer Rollei because it fitted OK.
An interesting question. More anon...
On 12/7/2021 2:36 PM, wayne pinney wrote:
I have noticed, on just about every Old Standard I have had a chance to look
at, and even on my own two cameras, that the ring surrounding the taking lens
and/or the viewing lens does not protrude from the front plate far enough to
allow pushing the Rolleinar lenses fully onto the ring surrounding the lens. I
assume that if the Rolleinar lenses do not bottom out on the edge of the lens
ring, focus will be incorrect. Am I correct in this assumption?
Both of my cameras do focus correctly, without the Rolleinars. So I assume the
taking and viewing lenses are properly adjusted.
Best,
Wayne---
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