Quartz Diagonal 2" SCT

Quartz Diagonal 2" SCT
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Quartz Diagonal 2" SCT
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Quartz Diagonal 2" SCT
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Mirror Diagonal 2" Quartz 99% Dielectric for Schmidt-Cassigrain Telescopes

If you want a high end mirror star diagonal, this GSO 2" Quartz Dielectric Diagonal Mirrors is your best choice. Quartz mirrors offers greater thermal stability, resulting in minimal thermal expansion & contraction. 

The feature of Quartz diagonal are:

-  Optical glass Quartz mirror blank
-  Reflectivity 99% dielectric coating in the Deluxe star diagonal mirror
-  Housing is an all metal CNC construction
-  Brass compression rings both for 2" and 1.25"
-  The barrel and the 1.25" adaptor both offer a 2" filter thread
-  Excellent mirror surface quality over 1/12 wave

Instead of the 2" barrel this mirror star diagonal features an SCT thread. You can attach this diagonal directly to Schmidt-Cassegrain telescopes and many Maksutov-Cassegrains, as long as there is a SCT thread on the telescope.

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Mirror Diagonal 2" SCT Quartz 99% Dielectric
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