Description
The Canon Ef-s Focusing Screen is designed specifically for the EOS 40D and is optimized for use with wide-aperture lenses from f/1.8 through 2.8. It is ideal for users who frequently manually focus in dim light with fast lenses.
The
Canon Focusing Screen EF-S is exclusively for the EOS 40D, this focus screen is optimized for wide-aperture lenses from f/1.8 thru 2.8. It is ideal for users who frequently manually focus in dim light with fast lenses.
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