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The motion detector sensor and activation light makes it appear to be an actual security camera |
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How to Protect Your Home With a Security Camera?


How to Install an Outdoor Security Camera System?



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The physical difference is that the back of a CS mount lens is 5mm closer to the chip than a C mount lens. You can always use a C mount lens on a CS mount camera by using a 5mm spacer ring (many cameras now have C/CS selectable adjustment screws or rings). You can never use a CS mount lens on an older style C mount camera. Cost wise the CS mount lens is much less expensive since it uses fewer glass elements. Quality of image is the same. C mounts are becoming less and less popular and are generally only used on the more telephoto focal lengths such as 25, 50 and 75mm, and bigger zooms.
Not really. Some bullet cameras, Vandal proof Dome camera and most Infrared cameras are designed for outside use with waterproof cases, but if you need lenses of different focal lengths and especially if you need auto-iris lenses (which are best for outside because of varying light conditions) then mini-cams won't be satisfactory. Normally, box cameras are used outside but need to be mounted inside a special outside housing. These housings are rainproof and can also contain a heater unit for really cold climates and/or a fan for hot climates. Mini-dome CCTV security cameras, most Dome camera and some hidden camera meant for inside use only, should not be used outside.
Outdoor security cameras or cameras indoors facing a window or an outside door will have varying light conditions. CCTV display and recording systems are set to a certain level of image brightness and contrast. When light levels change in the images produced by the cameras, the displayed and recorded images will either be too bright and washed out or too dark and non-resolvable. The only way to solve this is to use an auto-iris lens. These lenses have an electric motor-driven iris which is opened or closed according to signals fed to it from the camera. Once set, a camera equipped with auto-iris drive will attempt to produce a video signal of constant brightness by opening or closing the auto-iris of the lens, as light levels change.