Astro-Tech
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Astro-Tech 1.25" 99% reflectivity dielectric quartz mirror diagonal
$119.95THIS PRODUCT HAS BEEN DISCONTINUED. THIS PAGE IS HERE FOR INFORMATIONAL PURPOSES ONLY.
In addition to 99% reflectivity dielectric coatings, this Astro-Tech 1.25" star diagonal has a premium first-surface mirror made of low thermal expansion quartz, rather than conventional BK7 glass . . .
Out of stock
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Astro-Tech 1.25" 99% Reflectivity dielectric mirror diagonal
$79.95This 1.25" dielectric mirror-type star diagonal was a Sky & Telescope Hot Product for 2007! Considering its performance, it would be an outstanding value at twice the price. At its economical low price, it's still a hot product, and nothing short of sensational . . .