The American Dynamics lens range, of which the LD2616CS is a part of, is very expansive and is wide enough to cater to all customer needs. Available in 1/3" and 1/2" formats and fixed and varifocal lengths, all of the American Dynamics lenses are especially designed to deliver good picture quality. Note that all of the lenses in the American Dynamics lens range have high quality, compact designs and come equipped with CS mounts. Further, note that the performance of these lenses is the best when these are used with American Dynamics cameras. The American Dynamics lenses can be divided into three categories: auto iris lenses, manual iris lenses, and IR-corrected auto iris lenses.
The American Dynamics auto iris lenses are specifically designed to produce consistent video signals under variable-light conditions. These high quality auto iris lenses offer high contrast, color corrected optics (for clear, true images), fast signal response, and low geometric distortion. These lenses are apt for cameras used in spots where light conditions tend to vary frequently. Note that these auto iris lenses rely upon the circuitry present in compatible and suitably equipped cameras (that produce a DC output) to make adjustments to the lens iris accordingly. Further, the American Dynamics auto iris lenses come equipped with a slip clutch for easy mounting.
The American Dynamics manual iris lenses are well-suited for situations wherein the scene and lighting requirements vary little and are relatively constant. These lenses provide a budget-friendly option (as compared to auto iris lenses) when used with electronic shutter-equipped cameras. These manual iris lenses are specifically designed to be used with modern CCD imagers that place much strain on the lenses in terms of contrast, resolution, and geometric distortion. The American Dynamics manual iris lenses provide high contrast, color corrected optics (for clear, true images), and fast signal response. Much like their auto iris counterparts, the American Dynamics manual iris lenses, too, come equipped with a slip clutch for easy mounting.
The American Dynamics IR-corrected auto iris lenses are specifically designed to compensate for the variations between infrared and visible light conditions to consistently provide sharp images in a plethora of situations. The American Dynamics infrared lenses feature a built-in slip mount mechanism that enables you to rotate the lens even after it is mounted on a camera, thereby offering much increased flexibility. These IR-corrected lenses have a special multi-layer coating design that prevents transmittance fall-off in the infrared range, to minimize ghosting and flare usually observed in backlit situations. This ensures much improved picture performance even in dim-light conditions and when infrared illumination is in use. Furthermore, the advanced optical design of the American Dynamics IR-corrected auto iris lenses eliminates the shifts in focus typically encountered in the near infrared range to yield better images.
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