@Which objective lens will still remain in focus when placed at the longest working distance from the
Overview These objective lenses are an M Plan Apochromatic design which offers a flat field correction, long working distances and superior optical performance. In the case of white light, plan apochromatic objectives offer superior images for color photomicrography than achromatic objectives can provide. In general, the focal length and working distance of objective lens varies very little with wavelength and is usually not specified at a particular wavelength.
At most, over a specified wavelength range, one could potentially see only microns of deviation, and this amount would be even smaller for apochromatic objectives. Infinity corrected objectives are used in a...
Get updated Which objective lens will still remain in focus when placed at the longest working distance from the
There are two working distances for microscopes: objective and stage. Together they define the space you have to work with objects and still focus with your microscope. Some objectives take into account the thickness of the slide coverslip in working distance measurements. Working distance can range from 50 mm for dissecting or stereo microscope objectives to less than 0. It decreases as magnification, resolution and numerical aperture increase. Microscope objectives are usually designed with short working distances.
The stage working distance is the vertical distance that is available for focusing by moving the stage, arm, or tube, either separately or...
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