2" / 2" 90° Mirror Diagonal with 1.25" Adapter is designed for telescopes equipped with a 2" focuser. It provides a comfortable 90° viewing angle and improves observing ergonomics during visual use. The aluminum mirror coating protected with SiO2 ensures high reflectivity and long-term durability of the optical surface.

Key features

• 90° viewing angle
• Al + SiO2 reflective coatings
• 92% optical reflectivity
• 1/10 lambda surface accuracy
• 1.25" adapter with brass compression ring

Included in the set

• 2" mirror diagonal
• 2" / 1.25" adapter

Technical specifications

• connection standard: 2" / 2"
• weight: 680 g