Canon EC-D Laser Matte with Grid Focusing Screen for EOS-1/1N/1V, EOS-3, D2000 & 1D Cameras
 
Canon EC-H Laser Matte with Scale Focusing Screen for EOS-1/1N/1V, EOS-3, D2000 & 1D Cameras
 
Canon Ec-CIV Focusing Screen for the Canon 1D Mark III Digital SLR
 
Canon Ec N - Focusing screen
 
Canon EC-I Laser Matte with Double Cross Hair Reticle Focusing Screen for EOS-1/1N/1V, EOS-3, D2000 & 1D Cameras