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Auto Focus Macro Extension Lens Adapter Tube Rings Set for Canon for EOS EF Mount
Specification Material Plastic Color Black Mount EF Lens Ring Type 13mm & 21mm & 31mm Magnification 0.24 - 1.47 times Focusing Range 4.2 - 21cm / 1.65 - Manual Focusing Length Range 0.53 - 5cm / 0.12 - Suitable for Canon cameras with EF mount Weight Approx. 145g Package List 1 x Lens Adapter Rings Set 2 x Lens Caps 1 x Storage Bag Three Tubes 13mm, 21mm, and 31 mm tube,each part can be can be used individually or in any combination which extends the lens focal length for close-up shot, and won't alter

Price is $21.00
Price: $21.45