[photo-3d] Re: better viewers

["John Goodman" <jgood@xxxxxxxx>]

Don Lopp wrote:

> As reguards to better viewers how can viewers with 45mm and
> 60mm (as previously indicated ) be reguarded as being better
> when used with 35mm stereo cameras utilizing 35mm optics- a
> bit not ortho. 

Perhaps double achromats can be significantly better than 
simpler arrangements, when comparing similar focal length 
oculars. An earlier point in this thread concerned the 
advantages of larger diameter, regardless of focal length.

Do you have a viewer with 35mm focal length lenses that is 
also fine for 7p European format, flat and sharp from corner to 
corner, and no problem for people wearing glasses? Even if 5p 
were the maximum covered, many people would jump at the 
chance to have high quality "ortho" Realist viewers. Can you 
offer construction details of the oculars that could achieve this? 
I thought this was a kind of "holy grail" of Realist format 
viewers.

John Goodman

 

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