Dorr Extension Tube Set 12/20/36mm Canon EOS Lens Cloth As well as aspherical lens

As well as aspherical lens elements that help to correct distortion and eliminate types of lens aberrations even when using the widest aperture

perfect for those spontaneous close encounters

SD memory cards

It also integrates with most Think Tank backpacks and pairs well with the Think Tank Pocket Rocket

See specification for details

Dorr Extension Tube Set 12/20/36mm Canon EOS Lens Cloth As well as aspherical lensDorr Canon EOS Fit Auto 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). Dorr Auto Extension Tubes 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