Canon Focusing Screen Ec-H Laser-matte with scale

For Canon EOS 1D/MkII/MkIIN/MkIII and EOS 1Ds/MkII/MkIII digital SLR cameras, the Ec-H Focusing Screen (Laser-matte with scale) has central and peripheral scales to simplify composition, while the matte finish eases manual focussing, making the screen ideal for macro and close-up photography.

Price: 30.99 from Wex Photo Video