Replace a broken or missing star diagonal with the Antares mirror star diagonal. These diagonals produce a better image with less false color when compared to most cheap erect-image prisms.

Produces an image that is right-side-up, E/W reversed. For use with Refractors or Cassegrain-style scopes only.

Specifications

• Accepts 1.25" eyepieces
• 1.25" barrel threaded to accept standard filters
• Light-weight housing
• First-surface mirror