Telecentric optics, liquid-lens autofocus, MTF, distortion, C-mount flange distance, DOF, NIR/VIS coatings and 1 μm active alignment — explained for engineers and procurement teams.
LED flicker after a power supply swap is an electrical-to-exposure matching miss. Lock lighting electrical specs to the camera exposure plan before...
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A telecentricity bench proof pack is the acceptance file that turns a datasheet telecentric claim into measured magnification-versus-object-distance curves and written reject...
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An illumination pupil pack is the optical data set that tells a lighting designer where the lens aperture stop and entrance pupil...
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A USB microscope on the technician bench can honestly judge front-element scratches and surface contamination, but it cannot decide coating degradation...
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Codes on boxes that tilt toward the camera often read at the near edge and fail at the far edge, and that...
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Image tilt along the scan direction is a focus gradient, not a rotated picture. The two ends of the scan line reach...
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Your first custom lens deserves a strange sentence before anyone machines a single part: the design is not finished when the simulation...
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Red and green edges that appear at the centre of the field are a different animal from the colour fringing you see...
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Before you accept a tip design that leans on more aspheres than the original concept, ask for four things in writing. A...
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