Large Bi-convex Lens in Anodized Aluminum Cell 5.5" Clear Aperture ~760mm Focal

Computar 11-110mm 1:1.8 TV Zoom Lens C mount

Thorlabs SM1L30C Slotted Lens Tube, LMR1/M, SM1L20, SM1L10 w Spanner Wrench MINT

Ealing Optical Laser Test Bench 1 Axis Precise Adjustment Rotating Lens Mount

TRG U856-3 WAVEGUIDE WR19 LENS CONICAL HORN ANTENNA #3659

Thorlabs 3" Post Mount with BA1S Base Lot of 2, Lens Focusing Mount

Burleigh Key Board

Omax Four Lens With Slide Stage Microscope Lightg and Aperature Control Good Use