Lens hood for zoom lenses

Details Lens hood for zoom lenses Lens hood for zoom lenses

1975-01-15

1977-01-11

Rubin, David H.

350187, G02B 710, G03B 1104

Patent

active

040024024

ABSTRACT:
A lens hood device is provided for a zooms lens system for preventing light rays during the zooming operation (from any point outside the field angle of the zoom lens system) from coming into the focusing lens component thereof when varying the field angle. The lens hood comprises a lens hood ring which is moved along the optical axis relative to a fixed lens barrel in conjunction with movement during the zooming operation of a zoom lens component also along the optical axis relative to the fixed lens barrel. Also, the lens hood is capable of moving along the optical axis relative to the fixed lens barrel together with movement of the focusing lens along the optical axis relative to the fixed lens barrel during the focusing operation.

REFERENCES:
patent: 3765748 (1973-10-01), Mito

Affiliated with

Also associated with

Rating

Lens hood for zoom lenses does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Lens hood for zoom lenses, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Lens hood for zoom lenses will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-1740716