Categories:
  • Telescopes
      Refractors
      --------------------------
        Up to 80mm
        --------------------------81mm - 110mm
        --------------------------111mm - 140mm
        --------------------------Larger than 140mm
        --------------------------
      Reflectors (Newtonian)
      --------------------------
        Up to 8 inches
        --------------------------Larger than 8 inches
        --------------------------
      Dobsonians
      --------------------------
        Up to 8 inches
        --------------------------10 - 20 inches
        --------------------------Larger than 20 inches
        --------------------------
      Compound Telescopes
      --------------------------
        Schmidt-Cassegrain
        --------------------------Maksutov-Cassegrain
        --------------------------Maksutov-Newtonian
        --------------------------Ritchey-Chretien
        --------------------------Other
        --------------------------
      Spotting Scopes
      --------------------------Test Category
      --------------------------
  • Binoculars
      Standard (Up to 50mm)
      --------------------------Large (51mm - 99mm)
      --------------------------Giant (100mm and Larger)
      --------------------------
  • Optical Accessories
      Barlow Lenses
      --------------------------Binoviewers
      --------------------------Diagonals
      --------------------------Eyepieces
      --------------------------
        Fixed Focal Length Eyepieces
        --------------------------Reticle Eyepieces
        --------------------------Zoom Eyepieces
        --------------------------
      Filters
      --------------------------
        Lunar and Planetary Filters
        --------------------------Nebula and Light Pollution Reduction Filters
        --------------------------Specialty Filters
        --------------------------
      Finder Telescopes
      --------------------------
        Unity (1x) and Red Dot Finders
        --------------------------Straight-Through Finders
        --------------------------Right-Angle Finders
        --------------------------
      Focal Reducers
      --------------------------Other
      --------------------------
  • Other Accessories
      Adapters (Mechanical) and Rings
      --------------------------Alignment and Collimation
      --------------------------
        Collimating Eyepieces
        --------------------------Laser Collimators
        --------------------------Other
        --------------------------
      Cases and Covers
      --------------------------Computer Accessories
      --------------------------Focusers and Focusing Accessories
      --------------------------Observing Aids (Everything Else)
      --------------------------Dew Prevention
      --------------------------
  • Imaging
      Cameras - Film
      --------------------------Cameras - CCD and Webcams
      --------------------------Imaging Adapters and Accessories
      --------------------------Cameras - Digital
      --------------------------
  • Mounts/Tripods
      Alt-Azimuth Mounts
      --------------------------Binocular Mounts
      --------------------------Equatorial Mounts
      --------------------------Go-To Mounts with Controllers
      --------------------------Piers and Tripods
      --------------------------Other Accessories (Wedges, Drives, Rings, etc.)
      --------------------------Digital Setting Circles and Object Locators
      --------------------------
  • Solar
      White-Light Solar Filters
      --------------------------Narrowband Solar Filters
      --------------------------Solar Telescopes
      --------------------------Solar Observing Instruments and Accessories
      --------------------------
  • Software/Publications
      Atlases and Maps
      --------------------------Software
      --------------------------
        Amateur Telescope Making
        --------------------------Computational Astrophysics
        --------------------------Education and Multimedia
        --------------------------Image Processing and Data Analysis
        --------------------------Satellite Tracking
        --------------------------Desktop Planetarium and Charting
        --------------------------Toolkits and Observing Utilities
        --------------------------Telescope Control
        --------------------------Space Simulation
        --------------------------
      Books and Magazines
      --------------------------Web Sites
      --------------------------
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You are in: Optical Accessories > Diagonals
 
 
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# of Ratings  
Ext. Reviews 
  Antares 1.25 .965"/1.25" 45 Hybrid Erect Image Mirror Star Diagonal   ststst_wst_wst_w [2.00] 1
  Antares 1.25 .965"/1.25" 90 Hybrid Mirror Star Diagonal   ststststst_w [4.00] 1
  Antares 2.00 2" 90 Collimateable Dielectric Mirror Diagonal (2MDC)   0
  Antares 2.00 2" 90 Collimateable Dielectric Mirror Diagonal for C5 (2MDC5)   0
  Antares 2.00 2" 90 Collimateable Dielectric Mirror Diagonal for SCTs (2MDSC)   0
  Antares 2.00 2" 90 Enhanced Mirror Diagonal (2MD)   ststststst [5.00] 1
  Antares 2.00 2" 90 Enhanced Mirror Diagonal for SCTs (2MDS)   ststststst_w [4.00] 1
  Astro-Physics 2.00 MaxBright Diagonal   ststststst [5.00] 1
  Astro-Tech 1.25 1.25" 99% Reflectivity Dielectric Mirror Diagonal   ststststst [5.00] 1
  Astro-Tech 2.00 2" 99% Reflectivity Dielectric Mirror Diagonal for Refractors   0
  Astro-Tech 2.00 2" 99% Reflectivity Dielectric Mirror Diagonal for SCTs   stststst_halfst_w [3.50] 2
  Astro-Tech 2.00 2" 99% Reflectivity Quartz Dielectric Mirror Diagonal for Refractors   0
  Astro-Tech 2.00 2" 99% Reflectivity Quartz Dielectric Mirror Diagonal for SCTs   0
  Astro-Tech 2.00 2" Enhanced Aluminum Mirror Diagonal for Refractors   ststststst [5.00] 1
  Astro-Tech 2.00 2" Enhanced Aluminum Mirror Diagonal for SCTs   0
  Borg (Hutech) 1.25 Quadruple Eyepiece Turret   0 Yes
  Celestron 1.25 1.25" 45 Erect Image Diagonal   stst_halfst_wst_wst_w [1.50] 2
  Celestron 1.25 1.25" 90 Erect Image Diagonal   stst_wst_wst_wst_w [1.00] 1
  Celestron 2.00 2" 90 Mirror Diagonal   0
  Celestron 2.00 2" 90 XLT Diagonal   ststststst_w [4.00] 1
  GSO 1.25 1.25" 45 Erect Image Diagonal   ststststst_w [4.00] 1
  GSO 1.25 1.25" 90 Mirror Star Diagonal   ststststst_half [4.50] 2
  GSO 2.00 2" 90 99% Quartz Dielectric Mirror Diagonal for Refractors   ststststst_w [4.00] 1
  GSO 2.00 2" 90 99% Quartz Dielectric Mirror Diagonal for SCTs   0
  GSO 2.00 2" 90 Enhanced Dielectric Diagonal   ststststst [5.00] 4
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