ASC’s 2″ refractor diagonal features dielectric coatings with 99% reflectivity across the visible spectrum and a 1/12 wave BK7 mirror. The all metal diagonal body is CNC machined. The combined result is a superb diagonal offering excellent mechanical and optical quality at a great price.
Brand: ASC
Telescope Accessories

2″ 90-deg 99% Diagonal (Refractor)
Rated 5.00 out of 5 based on 1 customer rating
(1 customer review)ر.ع.43.450
ASC’s 2″ refractor diagonal features dielectric coatings with 99% reflectivity across the visible spectrum and a 1/12 wave BK7 mirror. The all metal diagonal body is CNC machined. The combined result is a superb diagonal offering excellent mechanical and optical quality at a great price.
Out of stock
SKU: ASC438TA Category: Telescope Accessories
Weight | 0.8 kg |
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Dimensions | 10.5 × 12.5 × 17.5 cm |
1 review for 2″ 90-deg 99% Diagonal (Refractor)
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- Premium 2″ diagonal with durable dielectric coatings for long lifetime
- 99% reflectivity across visible spectrum and 1/12-wave BK7 mirror for bright and true images
- All-metal body with chrome barrel threaded for standard 2″ filters
- Comes with 2″-1.25″ eyepiece adapter for maximum flexibility
- Includes foam-fitted storage box and end caps
Mazin Al Riyami (verified owner) –