William Optics 2 Inch Silver Enhanced Coating Diagonal Mirror

Catalog description

William Optics 2 Inch Silver Enhanced Coating Diagonal Mirror, part number WIOP019, is a discontinued product from the 2007–2011 catalog. It was last listed at $98.00.

One of the most competitive 2 diagonals on the market this WO classic jewel is a perfect match for our new SWAN eyepieces and will provide an ideal upgrade for cheap standard diagonals in bundle with non-WO telescopes.

Silver-enhanced coating increases reflectivity almost 10% on standard aluminum coating.

SpecificationsSilver-enhanced coating for 97% reflectivity. 10mm thick substrate flat for optimal image stability. Polished to 1/10th wave accuracyAccurate design guarantees constant alignment.2 to 1.25 eyepiece adapter included.

Lock screw for eyepiece/adapter.

Big knurled thumbscrews.

Patented elegant designHigh-quality machining and anodizationInternally antireflection threaded for top contrast.

Threaded for 2 filtersCompression rings (both on diagonal and adapter) to prevent barrels marringInternal safety stop prevents 2 barrels from hitting the mirror'

• Diagonals
• Goods
• Prisms
• Sporting
• Telescopes