3 MP 10-50mm Varifocal Lens
The 10-50mm varifocal lens has a 5x zoom. It is compatible with 3 megapixel cameras and uses a standard CS metal mount. The lens has a DC auto iris and wide aperture F1.4. 3.0 mp 1/2.7", 10-50mm Varifocal Lens, F1.4, DC, CS Mount. A varifocal lens is a camera lens with variable focal length in which focus changes as focal length (and magnification) changes, as compared to parfocal ("true") zoom lens, which remains in focus as the lens zooms (focal length and magnification change). Many so-called "zoom" lenses, particularly in the case of fixed lens cameras, are actually varifocal lenses. A varifocal lens. Left image is at 2.8 mm, in focus. Middle image is at 12 mm with the focus left alone from 2.8 mm. Right image is at 12 mm refocused. The close knob is focal length and the far knob is focus. However, some wireless security cameras are battery-powered, making the cameras truly wireless from top to bottom. cameras are proving very popular among modern security consumers due to their low installation costs (there is no need to run expensive video extension cables) and flexible mounting options; wireless cameras can be mounted/installed in locations previously unavailable to standard wired cameras. There is no need for a DVR or video capture card in order to broadcast the surveillance video over the Internet. IP video servers, also known as network video servers turn any CCTV camera (with a standard BNC output) into an IP based network camera (Ethernet output).
The 10-50mm varifocal lens has a 5x zoom. It is compatible with 3 megapixel cameras and uses a standard CS metal mount. The lens has a DC auto iris and wide aperture F1.4.