Hoodman H-EYEC18 Eyecup for Canon 18mm

High-quality eyecup for most Canon EOS models
The eyecup blocks sidelight and stray light and offers you a clear view through the viewfinder. The viewfinder image is richer in contrast and focussing is made easier.

The eyecup comes with a self-locking clamp so that it's stays securely on the camera.
The inner ring is made of metal. The cup is made of rubber that's suitable for people with allergies. The eyecup can be rotated so that you can use the left or right eye.

Technical Details:
Material: rubber, metal

Compatibility:
For most Canon cameras except the 1D and 5D series.