Canon EG Eyecup | EOS 1D Mark III, 1DS, 1DS Mark III and 7D Eyecup Kodak Film Cases It applies a silica aerogel

It applies a silica aerogel coating layer with uniform porous structure over a regular multi-coating layer to reduce surface reflections across a wide wavelength range and produce crisp

freeing your images from dullness

5 stop-advantage at 200mm

This is a specially shaped lens design that reduces aberration to a minimum

you can use the control ring as a focus ring – offering sharp control no matter how quick or slow you turn the ring

Canon EG Eyecup | EOS 1D Mark III, 1DS, 1DS Mark III and 7D Eyecup Kodak Film Cases It applies a silica aerogelFor the Canon EOS 1D Mark III,1DS, 1DS Mark III and 7D Digital SLR Cameras. This Canon EG Eyecup provides effective cushioning and shielding of stray light and is supplied with the cameras as standard equipment. View full compatibility chart below.