Our 1.25" 90 degree Dielectric mirror star diagonal uses New Advanced 46-Layered Multicoated Dielectric mirror coatings for a full 99% reflectivity. The mirror's 10mm thickness is 1/10th wave BK7 optical glass. The housing is machined from solid aluminum. The body construction weighs 7 ounces. The barrel is threaded to accept standard 1.25" filters. The 1.25" eyepiece holder uses a non-marring brass compression ring to clamp eyepieces in place, rather than a thumbscrew that can scratch an eyepiece barrel by tightening down on it directly. The extra long and large chrome thumbscrew for the brass compression ring is a full 1/2" in diameter.
SmartAstronomy's 1.25" Dielectric diagonal works with any Schmidt-Cassegrain, Maksutov, or Refractor that uses a 1.25" star diagonal.
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To all who visit our store: Numbers 6:24-26 24 The LORD bless you and protect you; 25 the LORD make His face shine on you, and be gracious to you; 26 the LORD look with favor on you and give you peace.
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