Canon Focusing Screen Ec-D Laser-matte with sections

For Canon EOS 1D/MkII/MkIIN/MkIII and EOS 1Ds/MkII/MkIII digital SLR cameras, the Ec-D Focusing Screen (Laser-matte with sections) makes it easier for the user to get a clear focused picture using manual focusing, while the grid overlay is useful for composition.

Price: 30.99 from Wex Photo Video