Accessory · MSRP $80
Astro-Tech 1.25" 99% Reflectivity Dielectric Mirror Diagonal
Key specifications
| Accessory type | Other |
|---|
All specifications
| Interface | 1.25" barrel (filter-threaded); 1.25" compression-ring eyepiece holder |
|---|---|
| Compatible with | Any Schmidt-Cassegrain, Maksutov-Cassegrain or refractor taking a 1.25" star diagonal |
About
A 1.25" first-surface star diagonal with 46-layer dielectric coatings for 99% reflectivity, against 88% for aluminium and 96–97% for silver. Machined solid-aluminium body with a matte black anti-reflection interior, a filter-threaded focuser barrel with a safety groove and a brass compression-ring eyepiece holder.
Where to buy
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