Material: Metal and GlassOptical power: 0.1X-2.0XElectronic magnification: 130XInstallation: C/CSImage format: 2/3Aperture (D/f): F3.5Object distance: 1.8mm-infinityWorking distance: 50mm-infinityDistortion: 0Resolution: 10 millionInfrared cut filter: 400-700Size: 28X99mmZoom ratio: 15:1Working diameter: 50mmWorking distance 50mm, 1/3 sensor: 2.4*1.8mmWorking distance 50mm, 1/2 sensor: 3.2*2.4mmWorking distance 50mm, 3/2 sensor: 4.4*3.3mmWorking distance 100mm, 1/3 sensor: 8.7*6.5mmWorking distance 100mm, 1/2 sensor: 12*8.7mmWorking distance 100mm, 3/2 sensor: 8.7*6.5mmWorking distance 200mm, 1/3 sensor: 21*15mmWorking distance 200mm, 1/2 sensor: 28*21mmWorking distance 200mm, 3/2 sensor: 38*28mmWorking distance 290mm, 1/3 sensor: 31*23mmWorking distance 290mm, 1/2 sensor: 41*31mmWorking distance 290mm, 3/2 sensor: 57.7*43mmNew 130x Features:Zoom C-mount lensWorking distance: 70mm-380mmField of view: 7mm-43mmFocal length: 50Interface: C CS installationDiameter: 40mm or 50mmMagnification 0.12 - 2.5X (approximately 12-130X on the display)Size: 30mm (L) * 84mm (DIA)200X 500X Features:200X Working distance: 100mm -175mm500X working distance: 90mm -120mmConnector: CS C MountZoom: Continuously variable zoomObjective magnification: 0.7X - 5X (approximately 28-200X on the display) / (approximately 70-500X on the display)Eyepiece adapter: 0.4X/1XFixed position: 50mmLocking: 0.7X - 5X lockingThread: 42mmAuxiliary objective lens: 0.35X, 0.5X, 2X, 1X (optional)Size: 132mm (L) * 55mm (DIA) / 175mm (L) * 55mm (DIA)