AmScope ZM-4 Series Extreme Widefield Binocular Stereo Microscope With Magnification Options on 3D Boom Stand

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The ZM-4B matches high-resolution optics with a brawny boom-stand for demanding biological and industrial applications. The ZM series shows improvements in resolution, contrast, an d distortion compared to our staple SM series. This model is especially popular in the QC, repair and engraving industries thanks to its ease-of-use and reliability. With its wide zoom range and double-arm boom-stand, this model will become an indispensable instrument in any workshop or lab. Optics The advanced optical system in the ZM series microscope produces higher resolutions throughout its zoom range, with stunning contrast and color accuracy. The 0.67X-4.5X objective lenses offer excellent focus-depth and a large working-distance, with symmetrical zoom knobs to easily move through magnifications. 10X wide-field eyepieces provide an ample magnification range from 6.7X to 45X, with high-eyepoint optics to accommodate glasses or goggles. Magnifications and Working-Distances Objective Eyepiece Standard (100mm WD) 10X 6.7X-45X Ocular Adjustment Easy Adjustments for Any UserDual ocular diopters can be adjusted to maintain consistent focus, greatly improving productivity. Sliding interpupillary adjusters ensure that each user can properly align the eyepieces for comfortable viewing. Double-arm Boom-Stand Heavy-duty, Multi-pivoting SupportThe multi-pivoting, double-arm stand provides a stable, flexible support system. Use of a drop-down column allows the head to be positioned at virtually any angle. Ball-bearings provide smooth movement of the lateral arms, which can easily pivot the microscope out of the way when it is not needed. The heavy, steel base ensures the stability of the microscope, even when laden with attachments. Specifications Microscope Head Head Type Binocular, 45° incline, 360° rotatable Optical System Greenough stereoscopic Interpupillary Adjustment Sliding, 54-76mm Ocular-port Diameter 30mm Dioptric Adjustment Both oculars, ±5dp Eyepieces 10X Objective Lenses 0.67X-4.5X zoom, NA 0.0715 @ 4.5X Objective Resolution 214.5 lp/mm @ 4.5X Native Field-of-View 4.9mm-32.8mm Native Working Distance 100mm Auxiliary Lens Mount 48mm thread Auxiliary (Barlow) Lenses Included none included Stand Stand Type Double-arm boom-stand with ball-bearing movement, cast-steel base Stand Dimensions 20" double-arm (overall length: 30"), 17" high pillar, 10-1/4"x8-1/4"x2" Focusing-block Focus Range 50mm Packing List:One binocular stereo microscope head One pair 10X eyepieces One pair eye-guards Dust caps One double-arm boom-stand with focusing rack Show more