Used GSO 99% Dielectric Mirror Diagonal 2" Consignment The Type-4 models feature about

The Type-4 models feature about 18mm of eye relief and with the "instajust" eyeguard are best for eyeglass wearers or Dioptrx users in their 22

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ZWO ASI174MM advanced monochrome astronomy camera with 2

Used GSO 99% Dielectric Mirror Diagonal 2" Consignment The Type-4 models feature aboutThis is a used GSO 2" Dielectric Diagonal. It is in excellent condition: the mirror is clean, and the body is completely unmarked. It comes with both dust caps, in its original box. 90 degree diagonal features sophisticated, lab tested dielectric coatings that boast an astounding 99 percent reflectivity Dielectric mirror coatings are more durable and more reflective than enhanced aluminum coatings Diagonal provides a comfortable 90 degree viewing