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Cumpără Periferia de calculator | 20X Optical Zoom PTZ Camera HDMI/SDI/USB 1080P Video Conference Camera for Conference Meeting Church Broadcast Live Streaming
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How do “point and shoot” cameras get up to 40X optical zoom at a reasonable price while a DSLR or mirrorless “telephoto” lenses does not get close to that magnification? - Quora
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