Kenko dg sony minolta af extension tubes set 36mm 20mm 12mm
Extension tubes are designed to enable a lens to focus closer than its normal set minimum focusing distance getting closer has the effect of magnifying your subject making it appear larger in the viewfinder and in your pictures they are exceptionally useful for macro photography enabling you to convert almost any lens into a macro lens at a fraction of the cost while maintaining its original optical quality kenkos auto focus extension tubes are designed with all the circuitry and mechanic