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Apr 26, 2024 — As a general rule of thumb for focal lengths, focal length smaller than 35mm are generally classified into wide-angle lens, lenses around 50mm ...
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Is there any difference between the bottom most knob and the lever arm and how should they be used? ... lever acts as the condenser iris diaphragm ...
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Optical filters selectively transmit light in a particular range of wavelengths, that is, colours, while absorbing the remainder. They can usually pass long ...
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Analytically, the focal length is described by the lens maker's equation: 1/f = (n - 1)(1/R1 + 1/R2), where R1 and R2 are the radii of curvature, f is the focal ...
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May 10, 2018 — Why does Hyperspectral Imaging matter in Precision Ag? It's a question of detail. Multispectral imagery generally refers to 3-10 wide bands, ...
Aspheric optics is a lens design with an aspheric (non-spherical) front surface to better match the shape of the cornea and provide improved visual ...