The Auto Extension Tube Set for Canon EF/EF-S Mounts and Lenses from Velloallows your lens to focus closer than its normal minimum focus distance. By placing distance between your camera body and lens, focusing distance is shortened and the effect of magnifying your subject is created. Extension tubes enable macro performance for lenses not otherwise able to focusthat close, and are also suited for close-up portraiture. The Auto Extension Tube Set for Canon EF/EF-S Mounts and Lenses contains three extension tubes of 13, 21, and 31mmlengths.

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