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The Dioptric Adjustment Lens EG (-4) for Select Canon EOS Cameras by Canon provides near-sighted users a clear viewfinder image without the use of eyeglasses. The Dioptric Adjustment lens fits into the eyepiece holder of the compatible camera.
Compatible with the Following Canon Cameras
EOS 5D Mark III
EOS 7D Mark II
EOS-1D Mark III
EOS-1D Mark IV
EOS-1Ds Mark III
In the Box
Canon Dioptric Adjustment Lens EG (-4) for Select Canon EOS Cameras