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Fixed focal length lenses for CCTV cameras. Fixed lenses for industrial cameras are the basic type of lenses used in monitoring. They are characterized by a set, unchanging focal length, which translates into a constant viewing angle for the camera. They do not have focal length adjustment (zoom). They are available in versions with manual iris adjustment (Manual Iris) and without adjustment. How to choose a fixed lens? The choice of focal length depends on how wide an area and from what distance you want to monitor.
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Precise Frame Setting - Varifocal Lenses. Varifocal lenses with manual iris adjustment are the most flexible solution for industrial cameras. They allow for manual and precise adjustment of the image zoom (focal length) and focus during camera installation. Thanks to this, you have full control over the frame - allowing the camera to see exactly what you want it to see without having to physically move the camera closer or further. Advantages of varifocal lenses.
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Excellent Image in Variable Conditions - Auto-Iris Lenses. Lenses with the Auto-Iris function (Automatic Iris) are essential for cameras operating in places with strongly changing lighting, and therefore primarily in outdoor cameras. These lenses have mechanical iris control connected to the camera. The camera, analyzing the amount of light falling on the sensor, automatically closes or opens the iris in the lens. This allows for optimal lighting conditions at all times.
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Remote Frame Adjustment - Motozoom Lenses. Lenses with a motozoom function are the most advanced type of lenses for industrial cameras (excluding integrated PTZ cameras). They allow for automatic and remote control of zooming in and out (wide) of the image, as well as automatic focus adjustment (Auto-Focus). Control is most often done using the camera interface (e.g., via the network in IP cameras) or via a recorder (e.g., using CoC control in analog systems).
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Compact Board Lenses (M12 / S-Mount). Board lenses, also known as S-Mount or M12 lenses (from the 12mm thread diameter), are small and compact lenses designed for mounting directly on the camera sensor board. They are most commonly used in: Dome cameras: Where small size matters. Outdoor bullet cameras with IR LEDs: Many compact cameras use this type of lens. Miniature and hidden cameras: Due to their size.
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Sharpness and Detail for IP Cameras. Megapixel cameras (IP, AHD, CVI, TVI) with high resolutions (Full HD, 2MP, 4MP, 5MP, 4K) require special lenses that are able to transfer such a large amount of detail to the sensor. Megapixel lenses are intended specifically for use in IP and analog HD cameras. Using a standard lens (intended for SD analog cameras) in a high-resolution camera would result in a blurry, out-of-focus image.