HAYEAR Monocular Max 180x Zoom C-Mount Glass Lens Adapter F/Industry Microscope Camera Objective
Model: HA-B10<br> Objective Lens: continual zoom 0.7-4.5X,<br> zoom ratio: 6.5:1<br> eyepiece lens:0.5X <br> amplification range:about 10X-180X on 21 inch screen<br> working distance: 95-125mm<br> focusing mechanism:Focusing handwheel tightness is adjustable,focusing range 63mm & 50mm<br> Material: Iron metal<br> Weight: 500g<br> <br> Package including:<br> 1 x 180X Industry Zoom C-mount Lens