Title: Avoid
Review: I bought this lens unit to use with the recommended Swann C500 CCD Color camera. The lens and camera work, of course, but the auto iris function did not. I ended up installing a manually adjustable iris lens. The lens system seems loosely assembled and therefore the focus and zoom functions are very touchy to control.Customer support from Swann (located in Australia) was for me, non-existent. This unit resides in my junk box.
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