Phetron K-EOS Transforming Ring For Canon Camera (With Chi) - Silver
Model: PK-EOS Color: Silver Material: Copper Lens Interfaces: 42mm Suitable for Pentax/ Ricoh PK bayonet lens into Canon EOS camera Product Dimensions: 6.3 x 6.3 x 0.8cm, net weight: 29g Package Dimensions: 7.6 x 7.6 x 1.2cm, weight: 38g