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.

Insize ISR-CS317, SURFACE ROUGHNESS SPECIMEN, 6928640324390
3M 08641, Channel Bonding and Sidelite Adhesive, 47.3 mL Cartridge, 7000119888, 6 per case 