The Discovery Eyeshade is made of Medical grade Silca Gel, not rubber. Silica gel is tear resistant, temperature resistant and has no odor.
- Designed for fitting 38mm-48mm diameter of the eyepiece with no attachments.
- Relieve Eye Strain by Blocking Glare or Enhancing Low Light and improve target focus by eliminating distractions from peripheral vision.
- Eyeshade design enables quick eye positioning for correct eye relief and optical center alignment to enhance target acquisition and sighting accuracy.