Field-glass

Details Field-glass Field-glass

G - Physics

02

B

88/18

G02B 7/06 (2006.01) G02B 23/06 (2006.01) G02B 23/18 (2006.01)

Patent

CA 2024483

A B S T R A C T Field-Glass In a field-glass the ocular-columns are joined together by means of a bridge and are actuated by means of a central focusing device comprising a drive consisting of a rotatable knurled element and a guide-pin, the said central focusing device being used for normal focusing. Fixed focus adjustability is provided, according to the invention, by a central focusing device locked by means of a knurled ring, and dual-focusing adjustment is provided by an axially adjustable stop-ring, focusing being normally effected by releasing the lock by means of the knurled ring and eliminating the stop by means of the stop-ring.

Affiliated with

Also associated with

Rating

Field-glass does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Field-glass, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Field-glass will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFCA-PAI-O-1553936