"Rule of Thirds" microprism focusing screen for CANON EOS 550D.
Screen is produced by using canon Ec-A type.
Please refer to the description of Grid Line.
Focus point is marked on focusing screen, please refer to the description for focusing point.
Please refer to the webpage of screen comparison for the description of Ec-A screen.
Focusing screens is custom made to order. Orders are being completed in 7 business days.