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Warmly congratulate Korea on the successful completion of the 2018 Pyeongchang Winter Olympic Games. And Welcome the 2022 Winter Olympics to be held in Beijing! Read More
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The relationship between the lens focal length and distance a. The use place and view angle of camera lens: Wide-angle lens: 1. from the perspective of more than 90 degrees, generally used in the elevator car, hall and other small sight angle places such as 2.8MM 2.5MM; 2, from the perspective of 5... Read More
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25mm F1.2 CS mount lens, with 3.0 Megapixel, manual iris control, hot sale model recently. Read More
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