SVBONY 1.25in 68° Telescope Eyepiece Kit+1.25" 45° Correct-Image Mirror Diagonal

Description

Features:
FMC 68-Degree Ultra Wide long eye Relief Eyepiece
Standard 1.25" Inch Astronomy Telescope 4 Piece Eyepiece Kit
Super Wide 68 Degree apparent field offers expansive views of the moon, star clusters, and the Milky Way
Multi-element design delivers sharp images with good color correction and contrast
Aluminum 1.25" eyepiece barrel is internally blackened to eliminate light scattering
Threaded to accept 1.25" filters
Specifications:
Brand: Svbony
Eyepiece Series: 68-Degree Ultra Wide Eyepiece
Focal Length: 6mm/9mm/15mm/20mm
Barrel Size: 1.25" (31.7mm)
Apparent Field of View: 68 Degree
Coating: Fully Multi-Coated Broadband
Eye Relief: 17mm
Structure Design: 5-elements in 3 groups (6mm); 6-elements in 4 groups (9mm); 4-elements in 3 groups (15mm); 5-elements in 3 groups (20mm);
Lens material: Optical Glass Lenses
Body Material: Fully Metal
Filter Threads: Standard 1.25" Filter Thread
Rubber Eye Guard: Yes
Net Weight:445g/15.71oz
Package Includes （6mm)
1.25" 68-Degree Ultra Wide 6mm Eyepiece
Package Includes （9mm)
1.25" 68-Degree Ultra Wide 9mm Eyepiece
Package Includes (15mm)
1.25" 68-Degree Ultra Wide 15mm Eyepiece
Package Includes (20mm)
1.25" 68-Degree Ultra Wide 20mm Eyepiece
1.25" 45°Correct-Image Prism Diagonal
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.
Specification:
Brand: SVBONY
Model: SV138
View of Angle: 45-Degree
Type of Prism: Roof BK7
Prism of Coating: Fully Multi-Coated
Surface Quality: 60/40
Profile Accuracy: 0.2
Dimensional Tolerance: 0.05mm
Angle Tolerance: 5-arcsecond
Aperture: 27mm
Fit Filter Size: 1.25-Inch (M28.5*0.6)
Brass ring Design: Yes
Housing Material: Metal
Net Weight: 151g / 5.36oz / 0.335lb
Package Includes
SV138 1.25-Inch 45-degree Correct-Image Prism Diagonal
2PCS Dust Cover
about svbony