Multiple control button system for binoculars - includes driven spindles with projecting pins sliding in slots in lens guide sleeves
DE2902147A1
Focussing mechanism for biaxial binoculars - has displaceable focussing shaft between right and left binocular tubes fixed to both ends of baseplate
DE2841610A1
Field of view adjustment mechanism for binoculars - has vertical thread on inner surface of ring-shaped grip to engage with another thread on lens frame shaft
DE2841611A1
Focusing mechanism for binoculars - with separate range and focus adjusting knobs mounted to shaft and coupled with converting rods
DE2735653A1
Binoculars with centre grip adjusting mechanism - have intermediate locking bridge on both sides of adjusting shaft
DE2717573A1
Prismatic field glass with central focussing knobs - has two telescope tubes on either side of knob guide pin
DE2717575A1
Twin axis binoculars compensating for mfg. tolerances - have adjusting mechanism with centre button connecting two single telescopes using base plate
DE2717574A1
Panchromatic folding zoom binoculars - have single knob zoom control and removable peg permitting compact folding together of parts