SVBONY SV138 1.25" 45° Correct-Image Prism Diagonal Metal ft Refractor Telescope

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Seller: svbony ✉️ (52,743) 99.7%, Location: Chino, California, US, Ships to: US, Item: 313154977862 SVBONY SV138 1.25" 45° Correct-Image Prism Diagonal Metal ft Refractor Telescope. Fully multi-coated prisms for superior image fidelity and maximum light throughput Fits for 1.25inch telescope eyepiece and focuser CNC Manufactured, aluminum alloy housing and stainless steel cover Wide 45 degree angle makes you view correct image from telescope stand and just look down with a comfortable angle Correct upside down and left-right reversed image easily, which allowsview things during daytime in correct position Note: that the 45-deg correct-image diagonal requires 5/8" more focus travel than typical diagonals. Not recommended for use in Newtonian reflector or Dobsonian reflector telescopes.  
     
 
Model SV223 SV223 SV222 SV222 SV221 SV221 SV188/P SV188/P SV138  
SKU W9180A W9180B W9179A W9179B W9178A W9178B F9171A F9171B W9107A W2733A
Deflection Angle 90° 90° 45° 90° 90° 45° 90° 90° 45° 90°
Diameter 1.25inch 2inch 1.25inch 1.25inch 1.25inch 1.25inch 1.25inch 1.25inch 1.25inch 2inch
Type Mirror Mirror Prism Prism Mirror Prism Mirror Mirror Prism Mirror
left and right imaging reverse reverse forward forward reverse forward reverse reverse forward reverse
Up and down imaging forward forward forward forward forward forward forward forward forward forward
Equivalent optical path (mm) 85.5 109.1/118.6 93 65.6 73 86 78.5 78.5    
Effective aperture 25mm 43mm 16mm 19mm 29.5mm 19mm     27mm  
Advantage Coaxial locking, high-reflective dielectric coating, high surface accuracy Coaxial locking, high reflective dielectric coating, high surface accuracy, dozens of layers of coating, high surface accuracy Suitable for astronomical observations Suitable for astronomical observations Suitable for astronomical observations Suitable for astronomical observations   Highly reflective dielectric coating    
   
Features:  
    • Fully multi-coated prisms for superior image fidelity and maximum light throughput
    • Fits for 1.25inch telescope eyepiece and focuser
    • CNC Manufactured, aluminum alloy housing and stainless steel cover
    • Wide 45 degree angle makes you view correct image from telescope stand and just look down with a comfortable angle
    • Correct upside down and left-right reversed image easily, which allowsview things during daytime in correct position
    • Note: that the 45-deg correct-image diagonal requires 5/8" more focus travel than typical diagonals. Not recommended for use in Newtonian reflector or Dobsonian reflector telescopes.

Package Includes
  • SV138 1.25-Inch 45-degree Correct-Image Prism Diagonal
  • 2PCS Dust Cover
about svbony
  • Condition: New
  • Compatible Brand: Universal
  • Profile Accuracy: 0.2
  • Housing Material: Metal
  • Item Diameter: 1.25 in
  • View of Angle: 45-Degree
  • Telescope Type: Refractor
  • Compatible Model: Universal
  • Material: Fully Metal
  • Dimensional Tolerance: 0.05mm
  • MPN: W9107A
  • Prism of Coating: Fully Multi-Coated
  • Aperture: 27mm
  • Weight: 151g / 5.36oz / 0.335lb
  • Brand: SVBONY
  • Surface Quality: 60/40
  • Type: Prism
  • Model: SV138
  • Compatible Series: Universal
  • Angle Tolerance: 5-arcsecond
  • Fit Filter Size: 1.25-Inch (M28.5*0.6)
  • Country/Region of Manufacture: China
  • Brass ring Design: Yes
  • Net Weight: 51g / 5.36oz / 0.335lb
  • Type of Prism: Roof BK7
  • UPC: 792855939757

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