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View Full Version : Heliar = Aero Xenar?



pierre506
20-Jun-2015, 16:55
135781135782135783

Are they the same designing?

Taija71A
20-Jun-2015, 17:10
... Are they the same design?

I vote... 'No'.
They are different lenses... 'Designed' for entirely different applications.

rakkir
20-Jun-2015, 21:00
im not an expert but they look like the same optical design to me, both are (from the subject) cemented biconvex - planoconcave , air gap, cemented planocovex - biconcave - planocovex, air gap with apiture , cemented planoconcave - biconvex, (film).