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SVBONY 2 inches 90 Deg Dielectric Mirror Diagonal for Astronomical Telescope with 1.25 inches Adapter

GALLERY

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Product Features

  • Excellent Quality Dielectric Diagonal; Mirror Star Diagonal - 99% Reflectivityï¼?Provides a Comfortable 90 Degree View from your Refractor; Fits Standard 2" (50.8 mm) Diameter Focus Tubes; Use Both 2" (50.8 mm) and 1.25" (31.75 mm) Eyepieces
  • New 2" 90 deg 99% Dielectric Mirror Diagonal for Telescope With 1.25" adapter; full metal;has a 1/10th wave flat optical glass surface;solid aluminum housing;threaded to accept standard 2" filters;The 2" eyepiece holder uses a non-marring brass compression ring to secure your valuable eyepieces. The 1.25" adapter also has a non-marring brass compression ring
  • Both sizes of eyepieces may be used and are protected from dings and scratches that would result from a standard set-screw. This 2" diagonal works with any Refractor that accepts a 2" star diagonals. It can also be used with Schmidt-Cassegrain or Maksutov-Cassegrain with an optional 2 inch visual back (See below)
  • Dielectric diagonal is especially important;A standard aluminized diagonal has about 92% reflectance;And this decreases with time as the aluminum mirror surface ages
  • For the vast majority of the visible spectrum;the reflectance does not vary more than about 0.1% below 100%;And the dielectric surface does not age like aluminum;This combination leads to the equivalent of a little more light grasp compared to standard diagonals

Description
If you paid for high performance coatings for your telescope, why lose 8% of your light using a standard diagonal

We list our dielectric coated diagonals at 99% reflectance, but this does not tell the complete story.

While the reflectance is at a little more than 99% for the deep violet and reds, the reflectance for a the rest of the spectrum is essentially 100%

Features:

100% Brand New and Never Used

High glossy finish appearance

Threads fit standard 1.25'' and 2'' filters

Excellent Quality Dielectric Diagonal

Provides a Comfortable 90 Degree View from your Refractor

Fits Standard 2" (50.8 mm) Diameter Focus Tubes

Can Use Both 50.8 mm and 31.75 mm Eyepieces

Has a non-marring brass compression ring to secure your valuable eyepieces

Material: Metal

Color: Black

Net Weight: 529g/18.67oz

Package Includes:

1 x 2" 90-deg Dielectric Mirror Diagonal

1 x 1.25" Dust Cover

1 x 2" Dust Cover

Free Shipping - Domestic Only
- Items will usually ship within 1 to 3 buisness days!!
- We Only Ship To The Lower 48 States. No shipping to Puerto Rico, Alaska, Hawaii, P.O Box, Or Military APO/FPO
- International buyers are welcome through the eBay Global Shipping Services!

Please note: We have no way of knowing which country the items are going if purchase through the eBay Global Shipping Service. If you are purchasing an electrical item make sure to contact me first before purchase. Some country has different Voltage. For instance, American appliances runs on 110 - 120 Volts, while European Appliances are 220 - 240 Volts. All of our items are shipped from America. We are not responsible if you need a Voltage converter or a Voltage Transformer. Thanks for your time!!!
Return Policy

We offer a 30 Day Return Policy. However, all items purchased must be returned in the same condition as they were received in.

Customer Service
NOTE: I am very great with customer service. For any reason you are not satisfied with your purchase, please contact me immediately through eBay messages, so I can resolve the issue. I strive for a 5 star rating; if you are satisfied with your purchase upon delivery, a positive feedback will be greatly appreciated and you will definitely receive one as well.

 

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