Optical: systems and elements
Lens
Eyepiece
Inventor
active
60 degree field of view eyepiece
Afocal objective lens
No associations
LandOfFree
Robert A. Spande does not yet have a rating. At this time, there are no reviews or comments for this inventor.
If you have personal experience with Robert A. Spande, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Robert A. Spande will most certainly appreciate the feedback.
Profile ID: LFUS-PAI-P-344250