Re: telecentric question

Brian Rose
 

I don’t know how relevant it is, but the OpTex Excellence Periscope was designed with Telecentric prime lenses.

The reason for this was to avoid using field lenses which introduced problems such as dust photographing on the image. It’s a long time ago now, but yes the relatively small prime lens ‘filled’ the rest of the optical path of the relay system.

Brian Rose

Former Technical Mamager - OpTex
Tel: +44 (0)20 8868 1729
Mob: +44 (0)7768 635 788
email: brianmrose@...

 

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