Cart 0

GSO 1.25'' Dielectric Diagonal

RM 270.00

GSO 1.25''Dielectric Diagonal

GSO 1.25'' Dielectric (99% Reflectivity) Diagonal Provide Very Good Image For Telescope. Enhanced Reflectivity Of 99% Allow Increase Of Image Brightness Up To 20% Compared with Standard Diagonal

Highly Affordable, Precision Machine CNC And Offer Best Value, The GSO 1.25'' Dieletric Diagonal Is Choice For Astronomer Looking For Better Diagonal. New Improved Version With Compression Ring



Dielectric 99% Reflectivity

Premium GSO Dielectric Diagonal Feature Dielectric Coating With 99% Reflectivity. Highest Reflectivity Possible With Ultra-Hard Surface Provide Best  Image Contrast And Brightness For Deep Space And Planetary View


Precision CNC Machined

GSO 1.25'' Diagonal Feature CNC Machined Housing For Precision Fitting And Black Anodized Finishing Provide Reduced Internal Reflection, Enhancing Contrast And Give An Impressive High Quality Finish Look


Internal Black Anodized


GSO Diagonal Is Internal Black Alumium Anodized To Prevent Internal Reflection And Enhanced Contrast. Low Quality Diagonal Suffering From Stray Light Reflection Which Will Give A Image "Glow" Than Reduces Contrast


1.25'' Accessories Support

GSO 1.25'' Diagonal Allow Usage Of 1.25'' Filters & Eyepiece. 



  • 90° Diagonal
  • 1.25'' Barrel Size 
  • Dielectric 99% Reflectivity
  • 1/12 Wave Accuracy Mirror
  • Full CNC Aluminium Construction
  • Black Anodized
  • Threaded For Filter
  • Internal Brass Compression Holder Ring
  • 162 Grams Weight


Included Items

  • GSO 1.25'' Dielectric Diagonal 
  • Dust Caps
  • 1 Year Warranty

Customer comments

Author/Date Rating Comment