HAYEAR Adjustable 180X Magnification Zoom 25mm Lens Industry Adapter Microscope Camera Eyepiece Magnifier C-Mount 4.5X

Features Working distance: 95mm-115mm Ratio: 6.5 : 1 objective magnification. Turn the power display on 0.7X – 4.5X (approximately 10 – 180 size: 168mm (length) * 50mm zoom C-mount lens Features Working Distance: 95mm zoom C - mount lens0.5 X C - mount adapter Zoom ratio: 6.5:1objective magnification. Power display above 0.7-4.5" (approximately 10-180" size: 168mm (length) * 50mm diameter Weight: 500g