Astromania 2" 90-Degree 99% Enhanced Dielectric Diagonal Mirror - Provide a M...

Description

Astromania 2" 90-Degree 99% Enhanced Dielectric Diagonal Mirror - Provide a Much Brighter Image Than with an Ordinary Star Diagonal
2" Diagonal Mirror with 99% reflection, optics are made with Pyrex glass.
Multi-layered dielectric coatings that produce 99-percent reflectivity for brighter, sharper images.
Comes with dielectric coatings for the most light transmission possible.
Suitable for refractors, Schmidt-Cassegrains, ACF, EdgeHD and Maksutov-Cassegrains.
2" - 1.25" reducing sleeve with brass compression ring, non-marring compression safety secures the eyepieces.
Astromania 2" 90-degree 99% Enhanced Dielectric Diagonal Mirror uses multi-layered dielectric coatings in order to a maximum reflection of 99% with the highest contrast and optimal sharpness.The residual stress in the plane mirror which can occur with the dielectric vapour deposition process is ruled out here. This slip fit 2-inch diagonal with 1.25-inch adapter, plus the Schmidt Cassegrain thread to 2-inch accessory adapter and other Schmidt Cassegrain rear thread screw-on systems, is compatible with both slip-fit and screw-on mounting systems. The optics are made with Pyrex glass and comes with dielectric coatings for the most light transmission possible. Beside eyepieces, a star diagonal is one of the most important accessories. What is the use of a good objective or the best eyepiece if the star diagonal is inferior? We recommend the Astromania 2" 90-degree 99% Enhanced Dielectric Diagonal Mirror to everyone, including those working with high end instruments. The star diagonal permits full illumination of 2” wide field eyepieces.
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