RF4 RF6565TVP Gemological Microscope Trinocular Synchronous Zoom Microscope Used For Semiconductor Maintenance Work Features: 6.5X-65X zoom magnification power with crisp sharp images Widefield of view* Sturdy all-metal pillar stand High resolution with great flatness and contrast, giving sharp and clear images Sharp stereo erect images with a wide field of view Crystal clear original true-co microscope images Large working distance Sturdy all-metal table standAccurate alignment reduces eye strain for longer periods of viewingFull optical glass elementsAdjustable interpupillary distanceAdjustable bracket, lifting range: 50mm, easy to operateViewing head: Binocular head Inclined at 45 degrees, Continuous magnification objective lens 19.5X-195X, interpupillary distance 0.92-9.2mm, bilateral visibility adjustableEyepiece: WF10X/22mm High EyepieceEffective distance: 110mm, the use of auxiliary objective lens can be extended 30mm-287mmMagnification:6.5X-65X