William Optics Dura Bright 2 Dielectric diagonal with 1/12& 955;, 0.99 reflectivity, 12mm thick mirror with FULL carbon fiber plates (SKU: D-DIG2D-C-DB) diagonals opinie

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William Optics Dura-Bright 2" - model 2014 - a huge jump in the quality of mirrored mirrors

2" dielectric angular attachment is a classic elegance combined with perfect performance, ideal especially for astronomical observations using wide-angle 2" spectacles. The nozzle is intended for refractors, mainly top construction, requiring uncompromising quality, such as WO FLT-98, FLT-110, GT / GTF102 or FLT-132.
The lug does not include the SCT tube adapter.

Technical parameters / features

• side body plates made entirely of carbon fibers
• dielectric coatings ensure optics efficiency of 99%
• 12 mm thick mirror has a surface precision of 1 / 12λ
• interior with baffles (diaphragms) that eliminate glare
• output 2 "equipped with a copper mounting ring (guarantees the safety of accessories)
• 2" / 1.25" adapter equipped with a copper fixing ring
• size: 2" + reduction 1.25" with the screw fixing the eyepiece
• large, knurled screws that are easy to tighten even when wearing gloves
• internal stop protects against eyestrain in the mirror
• 48 mm internal diameter allows the attachment of a wide range of filters and other accessories
• weight: 630 g