The T800M is a robust, high-performance metallurgical microscope with precision optics for professionals metallurgical and materials fields. The larger heavy-duty frame provides stability along with precision mechanics. The infinity-corrected plan-semi-apochromatic optics provide high-resolution images with improved color-correction and edge-to-edge sharpness. The Koehler transmitted and reflected-light illumination systems are designed for precision, with a variable-NA swing-condenser allowing the use of high and low magnifications with full, even coverage. Viewing Head The microscope's head is designed for precision and comfort. The super-widefield optics provide a larger field-of-view so you can see more specimen at any magnification. Compensation-free Siedentopf interpupillary adjustment allows any user to properly align the oculars without readjusting focus. For users with astigmatism or asymmetrical vision, the left ocular can be adjusted to fine-tune focus. The photo port is equipped with a C-mount interface for attaching cameras without intermediary lenses, and is height-adjustable to match focus with the eyepieces. The port is compatible with our CX series C-mount ports which are available with different levels of magnification for cameras with different sensor formats. An optional 23mm port adapter is available for use with 23mm reduction lenses. The head is set to a 30° incline which is ideal for viewing from a standing position, and it can be rotated 360°. The Stage The 3-layer mechanical stage provides smooth and precise movement for examination of specimens, with a large translation range for viewing larger samples. A glass stage-insert provides a charge-neutral surface for examining electonics and other sensitive materials. The stage's low-position controls are conveniently placed near the coaxial focus knobs for a streamlined workflow. Symmetrical focus controls are coaxially mounted for fast, intuitive focusing. Tension control lets you customize the feel to further enhance your workflow. Koehler Episcopic Illumination A powerful 5W LED provides warm-colored light for reflected-light applications. Equipped with centerable field and aperture diaphragms, contrast and depth can be fine-tuned for the best results. A polarizer and analyzer enable you to use varying amounts of cross-polarization, and additional filter slots can be used for other filters. The low color-temperature LED provides better illumination for metals and other materials which present details in longer wavelengths, as well as reducing eye-strain during prolonged use. Koehler Transmitted Illumination Built on Koehler illumination principals, the sub-stage lighting provides evenly-distributed light for optimal contrast. The rear-mounted 5W LED light-source provides energy-efficient illumination with low heat. The super-bright light-source uses a lower color temperature for warmer colors to enhance details and reduce eye-strain. The light condenser uses a swing mechanism for optimized lighting at both high and low magnifications, with a NA0.22 setting for full coverage at extremely low magnifications. An iris diaphragm allows you to adjust the aperture to optimize contrast and depth-of-field. The condenser holder uses rack-and-pinion height adjustment for precision control, and is centerable for proper alignment. The condenser is top-mounted for easier replacement when working with additional condensers. The illuminator's field lens provides an iris diaphragm to control light-spread, optimizing contrast and definition in specimen features.
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