The M837 series compound microscope is a class leader offering professional features at an affordable price. The trinocular viewing head is customizable and is equipped with a dedicated photo port which works simultaneously with both eyepieces. Precision mechanics provide optimal control over stage movements and focusing. The microscope is equipped with halogen-based brightfield illumination, and supports optional accessories for various contrast-enhancing techniques such as darkfield and phase-contrast. Its time-tested design and upgradability have made it a favorite among lab technicians, veterinarians, and teachers. Viewing Head The trinocular viewing head has a comfortable 45° incline for viewing while seated or standing, and can be swiveled 360°. Ocular spacing can be easily customized using sliding interpupillary adjustment. Dual diopters allow both eyepieces to be focused independently. The trinocular photo-port adds a dedicated mounting tube for cameras. The 23mm tube is height-adjustable to fine-tune the focus to match the eyepieces. Its simul-focal design allows simultaneous use with both eyepieces so no switching is necessary. OpticsThis model is equipped with 4X, 10X, 20X, and 40X objective lenses to provide four levels of magnification ideal for soil studies. The lenses use DIN international standards for compatibility, and are achromatically corrected to improve clarity and color accuracy. They provide a magnification range from 10X to 400X when used with the standard 10X eyepieces, ideal for viewing soil grains, bacteria, and other microorganisms. Objective Lenses Magnification Corrections NA Immersion Medium Cover-glass Thickness 4X achromatic 0.10 — 0.17mm 10X achromatic 0.25 — 0.17mm 20X achromatic 0.40 — 0.17mm 40X achromatic 0.65 — 0.17mm Specimen Stage The 2-layer mechanical stage provides smooth and precise movement for examination of specimen slides. The stage's low-position controls are conveniently placed near the coaxial focus knobs for a streamlined workflow. Examining specimen slides is intuitive and precise for users at any skill level. A convenient lever grouped with the left-side focus knobs can be used to lock and unlock the coarse focus adjustment to prevent damage to the lenses and specimen. Halogen Illumination The halogen sub-stage lighting provides bright illumination with excellent color rendering. The warm lighting is better suited for prolonged use, causing less eyestrain than LED and fluorescent lighting. The Abbe light condenser has a high 1.25 numerical aperture for oil-immersion, and an iris diaphragm to optimize contrast and depth-of-field. The condenser holder uses rack-and-pinion height adjustment for precision control. A sub-stage mirror is included as an alternate light source when electricity is not available. The mirror can be mounted on top of the illuminator’s field lens to direct ambient light into the condenser. Digital ImagingThe included 3MP camera and software allow you to preview and record photos and videos on your computer. The camera attaches to your computer using a simple USB 2.0 connection. Our professional software for Windows provides a wide assortment of capture and photo-editing functions including color correction, time-lapse capture, and a full complement of measuring tools. Cutting-edge features such as real-time auto-stitching and focus-stacking add new dimensions to imaging. A lite version of our software is available for Mac and Linux with essential functionality for capturing photos and videos.Packing List:One trinocular microscope Four objectives lenses: 4X, 10X, 20X, 40X One pair 10X eyepieces One mirror One AC power cord One spare fuse One spare bulb Sample immersion oil One dust coverOne C-mount USB camera One reduction lens One USB Type B to USB type A cable Software
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