Optical: systems and elements
Lens
Eyepiece
Inventor
active
Achromatic telescope eyepiece without doublets
Eyepiece modification for astronomical telescopes
No associations
LandOfFree
Walter J. Kastner does not yet have a rating. At this time, there are no reviews or comments for this inventor.
If you have personal experience with Walter J. Kastner, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Walter J. Kastner will most certainly appreciate the feedback.
Profile ID: LFUS-PAI-P-1030052