Canon Focusing Screen Ec-C Ⅲ Laser Mat for EOS-1Ds Mark Ⅲ/1D Mark Ⅳ/1 D...
Ec-C Ⅲ Laser Mat for EOS-1Ds Mark Ⅲ/1D Mark Ⅳ/1 D Mark Ⅲ. The Screen is clean.
eBay