Optical tube binocular(20? inclined)
Eyepiece(wide field) 10X (view field .87″ DIA)
Objective 0.8X~8X (zoom)
Zoom ratio 1:10
Infinity parallel optical system and 20? inclined optical tube reduce fatigue.
Coaxial illumination is optical for deep holes that cannot be observed by ring light.
Aperture diaphragm is optional for large depth for dield and high quality image.

3M 55032, Cubitron II Cloth Belt 984F, 60+ YF-weight, 1/4 in x 24 in, Fabri-lok, Single-flex, 7000144125, 200 per case
Standard Abrasives 710580, A/O Full Taper Cartridge Roll, 3/4 in x 1-1/2 in x 1/8 in 80, 7100093004
3M 19087, 1100 Probed Test Earplugs 393-2010-50, 10 Pair/Bag, 5 Bags/Case, 50 Pair/Case, 7000002409
3M 82229, Cloth Belt 777F, P120 YF-weight, 1/4 in x 24 in, Fabri-lok, Full-flex, 7000118444, 200 per case
Standard Abrasives 42683, A/O Flexible Flap Wheel 613428, 2 in x 1 in x 1/4 in 120, 7100046824, 100 per case 