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Canon Canon close-up ring | Canon extension ring | close-up ring
The extension tubes have no optics. They are mounted in between the camera body and lens to create more distance between the lens and film plane. By moving the lens father away from the film or CCD sensor in the camera? The lens is forced to focus much closer than normal. The greater the length of the extension tube? the closer the lens can focus.
1 x Marco lens Extension Tube Adapter.
Canon mouth extension ring For Canon Canon extension ring close-up ring
Extension ring set with the use of three sections
Lens focal length 50MM focusing distance to infinity within the scene can not be taken -0.6MM 0.6M
Features: Full Metal up lap; class feel; the manual extension rings; look at before buying their own lens has not Manual aperture, and he or she will manually!