Search query: 90 degree eyepiece

Product: SVBONY Telescope Eyepiece Fully Mutil Coated 1.25 inches Telescope Accessories Set 66 Degree Ultra Wide Angle HD 15mmfor Astronomy Telescope
Brand: SVBONY
Relevance: Substitute
The SVBONY 1.25" 66 degree ultra wide angle HD telescope accessory sets gives the wide viewing field along with extra sharpness and long eye relief
The approx 66 degree AFOV is Perfect for broad field lunar observations;medium sized star clusters;and a wide range of cloudy nebulas and deep sky targets
It comes with sturdy lens cover protecting the eyepiece from dust and moisture;soft rubber eye guard that's custom fitted with a bayonet mount;threaded for standard 1.25" astronomy filters and Barlow lens
Main points:
Fully multi coated 66 degree ultra wide long eye relief eyepiece
Standard 1.25" astronomy telescope 4 piece eyepiece kits
Wide 66 deg apparent field makes it very easy to get on target when switching eyepieces
Multi element design delivers sharp images with good color correction and contrast
Aluminum 1.25" eyepiece barrel is internally blackened to eliminate light scattering
The collapsible rubber eye guard to block out light and to accommodate persons with glasses
Edge-blackened optics and advanced multi coated optics
The 16mm eye relief;awesome long and very comfortable
Threaded to accept 1.25" filters
Design:
15mm:4-elements in 3 groups
Specifications:
Eyepiece series:upgraded ultra wide
Focal length:15mm
Barrel size: 1.25"/31.7mm
Apparent field of view:66 degree
Lens material:optical glass lenses
Filter threads:standard 1.25" filter thread
Coating:fully multi coated broadband green
Rubber eye guard:yes
Net weight:360g/12.7oz
Package Includes:
1x 15mm eyepiece
Multi group lens combination to improve optical performance;the eyepieces sets delivers sharp images with good color correction and contrast
Edge blackened optics;internally blackened to eliminate light scattering;minimize internal reflection and maximize contrast
Fully multi coated broadband green optics with superior optical performance;clarity is great and the magnification is truly represented
66 degree AFOV perfects for broad field lunar observations;medium sized star clusters;wide range of cloudy nebulas and deep sky targets with extra sharpness
High quality, affordable telescope eyepiece offers a wide field of view and superior performance at a bargain price