Celestron 1.25" 15mm 65 Degree Ultima Edge Eyepiece (93451)
$159.99
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Celestron 1.25" 15mm 65 Degree Ultima Edge Eyepiece (93451)
$159.99
15mm Focal Length
High power lunar planetary views
Flat-Field Optics
Sharp view edge to edge
8-Element Glass
Fully multi coated optical design
Crisp Astronomical ViewsExperience edge to edge optical clarity
The Celestron Ultima Edge 15mm Eyepiece offers astronomers advanced flat-field optical performance designed to deliver exceptionally sharp images from the center to the boundary of your field of view. Featuring a generous 65° apparent field of view and premium 8-element optics, this 1.25-inch telescope eyepiece provides outstanding contrast and light transmission for stargazing.
Advanced Flat-Field PerformanceUncompromising quality for visual observers
Engineered for demanding visual observers, the Celestron Ultima Edge 15mm Eyepiece incorporates a specialized 8-element optical design that minimizes field curvature and distortion. Its high-grade aluminum housing is anodized for long-term durability and features a molded rubber grip ring for secure handling during damp observing sessions. With 16mm of comfortable eye relief and roll-up rubber eyeguards, this high-performance astronomy eyepiece is effortless to use with or without eyeglasses. The convenient parfocal design allows seamless eyepiece swaps within the Ultima Edge series without requiring constant refocusing.
Detailed Eyepiece SpecificationsTechnical data and build specifications
Focal Length
15mm (.60") (target)
Barrel Size Diameter
1.25" (31.75mm) (circle)
Apparent Field of View
65°
Optical Design
Proprietary Flat Field
Number of Lens Elements
8
Number of Lens Groups
5 (group)
Optical Coatings
Fully Multi-Coated
Eye Relief
16mm (.63") (spectacles)
Field Stop Diameter
19.6mm (.77") (maximize)
Parfocal
Yes
Filter Threads
1.25" (M28.5x0.6) (sliders)
Eye Guard
Yes - Roll Up
Body Material
Aluminum
Weight
5.18 oz (147 g) (weight)
Dimensions
70mm x 45mm x 45mm (2.75" x 1.77" x 1.77") (box)
Key Optical FeaturesDesigned for ultimate observing comfort
Optical Performance8-element flat field design for edge-to-edge sharpness
Field of ViewWide 65 degree apparent field of view
Eye ReliefGenerous 16mm eye relief with fold-down eyeguard (spectacles)
Parfocal DesignSwap eyepieces within the series without refocusing
Build QualityMachined anodized aluminum housing
HandlingMolded non-slip rubber grip ring
Filter SupportInternally threaded for standard 1.25 inch filters
Frequently Asked QuestionsEverything you need to know
What makes the Celestron Ultima Edge 15mm Eyepiece unique compared to standard eyepieces?
The Celestron Ultima Edge 15mm Eyepiece utilizes a flat-field 8-element optical design that ensures images remain ultra-sharp and distortion-free across the entire 65-degree field of view, right up to the very edge.
Can I use filters with the Celestron Ultima Edge 15mm Eyepiece?
Yes, the 1.25-inch barrel of the Celestron Ultima Edge 15mm Eyepiece is internally threaded to accept standard 1.25-inch astronomy filters and focal adapters.
Is the Celestron Ultima Edge 15mm Eyepiece comfortable for eyeglass wearers?
Absolutely. The Celestron Ultima Edge 15mm Eyepiece features a generous 16mm eye relief and a roll-up rubber eyeguard, allowing comfortable observing sessions with or without eyeglasses.
What does parfocal mean for the Celestron Ultima Edge 15mm Eyepiece?
Parfocal means you can swap between different focal length eyepieces within the Celestron Ultima Edge series without needing to refocus your telescope each time.
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