Model: HA-B10 Objective Lens: continual zoom 0.7-4.5X, zoom ratio: 6.5:1 eyepiece lens:0.5X amplification range:about 10X—180X on 21 inch screen working distance: 95-125mm focusing mechanism:Focusing handwheel tightness is adjustable,focusing range 63mm & 50mm Material: Iron metal Weight: 500g Package including: 1 x 180X Industry Zoom C-mount Lens
- eyepiece lens:0.5X; working distance: Standard working distance : 100mm
- Objective Magnification Power by 0.7 - 4.5X(about 10 - 180X on the display)
- focusing mechanism:Focusing handwheel tightness is adjustable,focusing range 63mm & 50mm
- amplification range:2X—260X