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Opteka Auto Focus DG EX Macro Extension Tube Set for Canon EOS Digital SLR Cameras (12mm/20mm/36mm
Extension tubes are designed to enable a lens to focus closer than its normal set minimum focusing distance
Designed with all the circuitry and mechanical coupling to maintain auto focus and TTL auto exposure with Canon EOS SLRs
Contains three tubes of different length a 12mm 20mm and 36mm
Glass-free Lightweight
1 Year Opteka Warranty
