Traditional Culture Encyclopedia - Photography and portraiture - Selection method of VST lens in Japan
Selection method of VST lens in Japan
VS-TCH series
The main light of VS-TCM series lens is parallel to the optical axis of the lens, and the coaxial incident light source must have high object accuracy and no perspective error. The lens is big and expensive. Macro lens VS-MC series.
VS-LD series is used for close to low-distortion photographic TV-small in size, light in weight and good in earthquake resistance. It is only suitable for a certain WD, and the field of view (magnification) is limited. SV series CCTV lens can focus infinitely, adjust the focal length and adjust the simple field of vision with screws. WD can be adjusted at will, and the price is low, which is suitable for the possible distortion around the large field of view. Variable line scanning lens VS-L series by inch-by-inch method
VS-LTC series is mainly used for line induction with low distortion and small shadow. Good shock resistance, large-size bulky zoom lens VSZ series can change the magnification without changing the working distance and camera position, and can change the focal length at any time as needed, without replacing the lens with large focal length span, which is not as large as the one with close focal length.
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