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 Some videocamera lens products
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What’s the difference between pinhole lens and fish-eye lens? Fish-eye lens is with larger aperture, more suitable for places with insufficient light. While pinhole lens is with smaller aperture, easy to hide but can’t get suc...MORE »
Choose the Right Lens for a Security Camera There are a few ways to calculate the field of view and focal length. Some installers will use a Lens Selection Wheel. It is a product like a pocket slid ruler that you...MORE »