PATENT PENDING: Our biasing Apertures have 2 specific functions. One, to keep the setscrew locked in place, much like a lock washer. Two, to control and limit the pressure on the lens, protecting it from cracking or breaking.
PATENT PENDING: Our biasing Apertures have 2 specific functions. One, to keep the setscrew locked in place, much like a lock washer. Two, to control and limit the pressure on the lens, protecting it from cracking or breaking.