SZN71 SOPTOP Trinocular HD Stereo Microscope ,6.7-45X Continuous Zoom for BGA CNC Chip Level Professional Mobile Phone Repair Tool. Specification: Standard magnification 6.7X~45X continuous zoom, expandable to 2X~225X 0.67X~4.5X continuous zoom lens, zoom ratio 6.7:1 Using the large field of view eyepiece PL10X/22mm, adjustable vision, adjustment range ± 5 diopters, ultra-wide field of view, the high eye point Binocular head / trinocular head eyepiece barrel 45 ° tilt, the host head 360 ° rotation Binocular or trinocular beam splitting ratio 20% / 80% Pupil distance adjustment range 52mm~76mm Standard working distance 110mm Optional eyepieces: PL10X/22mm, PL15X/16mm, PL20X/12mm (adjustable visual acuity) Optional auxiliary objective: 0.3X/287mm, 0.4X/217mm, 0.5X/177mm, 0.7X/120mm, 1.5X/47mm, 2X/26mm Optional camera interface: 0.35X, 0.5X, 0.65X, 1X C-type interface, focusable Package includes: 1 x Stereo Microscope 2 x Eyepiece 1 x LED Light 1 x CTV Lens