Designed to attach to the eyepiece holder of compatible cameras, the Dioptric Adjustment Lens EG (-4) for Select Canon EOS Cameras allows for near-sighted photographers to use their camera without the need for eyeglasses.

Compatibility:

• EOS 5D Mark III
• EOS 5D Mark IV
• EOS 5DS R
• EOS 5DS
• EOS 6D
• EOS 7D
• EOS 7D Mark II
• EOS-1D C
• EOS-1D Mark III
• EOS-1D Mark IV
• EOS-1D X
• EOS-1Ds Mark III
• EOS R