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


Free Shipping Included! SVBONY 2 inches 90 Deg Dielectric Mirror Diagonal for Astronomical Telescope with 1.25 inches Adapter by SVBONY at Toni Lynn Photography. MPN: FW2733A. Hurry! Limited time offer. Offer valid only while supplies last. 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 Di


SVBONY 2 inches 90 Deg Dielectric Mirror Diagonal for Astronomical Telescope with 1.25 inches Adapter by SVBONY
4.2 out of 5 stars with 56 reviews
Condition: New
Availability: In Stock
$62.99


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Product Description & Reviews

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

Features & Highlights

  • Excellent Quality Dielectric Diagonal; Mirror Star Diagonal - 99% Reflectivity´╝ŤProvides 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

Additional Information

Brand:
SVBONY
Manufacturer:
SVBONY
Category:
Diagonals
MPN:
FW2733A
Part Number:
FW2733A
Publisher:
SVBONY
Binding:
Electronics
Item Size:
3.94 x 3.54 x 5.91 inches
Package Weight:
1.3 pounds
Package Size:
1 x 1 x 2 inches

 


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