This is a monocular inspection microscope with 0.7X-5.0X zoom objective and 0.4X C-mount lens. It offers large working distance, super widefield of view and crystal clear sharp images. The C-mount interface allows most microscopy cameras to be mounted directly. Features : 0.7X-5.0X zoom objective C-mount lens Long working distance Sharp images over a super wide field view Large Metal stand and framework Specifications : Zoom microscope objective: 0.7X-5.0X Numerical Aperture: 0.02-0.07 Resolution: 63-180lp/mm Optical Correction: Semi-apochromatic Mount: 0.4X C-mount for PC or TV camera connection (camera sold separately) Total Optical Magnification: 0.28X-2X Working distance: 4-1/8" (105mm) Metal stand dimension: 13"x10" Pillar: 11" (280mm) long Packing List : One Monocular Zoom Microscope Head with 0.7-5.0X Objective and 0.4X C-Mount Lens One Focusing Rack One Pillar Plate Stand Dust Cover Light not included