
Celestron Ultima Edge 1.25-inch Eyepiece - 15mm
Celestron Ultima Edge 15mm Eyepiece offers a 65° flat field, 16mm eye relief, 8-element fully multi-coated optics, and parfocal design. Perfect for crisp, high-magnification views of planets, stars, and lunar details.
Shipping Calculator
Please note this listing is for a Celestron Ultima Edge 1.25" Eyepiece in 15mm.
The Celestron Ultima Edge 15mm Eyepiece is designed to deliver ultra-sharp, edge-to-edge clarity across a wide 65° apparent field of view. With an 8-element lens design and fully multi-coated optics, this Ultra Flat Field eyepiece ensures excellent light transmission and crisp views, making it perfect for observing planets, stars, and the Moon’s surface in high magnification.
The eyepiece provides 16mm of eye relief, offering comfortable viewing for both eyeglass wearers and non-eyeglass wearers. Its fold-down rubber eyeguard adds convenience, allowing users to adapt their viewing experience. The eyepiece is built with durability and precision, featuring a machined aluminum body with a black anodised finish and a molded rubber grip ring for secure handling during extended observing sessions.
The 1.25" mounting barrel is internally threaded to accept standard 1.25" filters and adapters. It is fully compatible with 1.25” star diagonals and focusers, ensuring versatility for various telescope setups.
One of its standout features is the parfocal design, enabling seamless transitions between other Ultima Edge eyepieces (except the 24mm model) without needing to refocus. This feature enhances efficiency, making observing sessions more enjoyable and productive.
Full Specifications
Barrel Size Diameter | 1.25" (31.75mm) |
Focal Length | 15mm (.60") |
Field Stop Diameter | 19.6mm (.77") |
Apparent Field of View | 60° |
Number of Lens Elements | 8 |
Number of Lens Groups | 5 |
Optical Coatings | Fully Multi-Coated |
Eye Relief | 16mm (.63") |
Parfocal | Yes |
Filter Threads | 1.25" (M28.5X0.6) |
Eye Guard | Roll up |
Body Material | Aluminum |
Weight | 147g |
Dimensions | 70mm x 45mm x 45mm |
Recommended Accessories
About Celestron
Celestron was founded by Tom Johnson whose first telescope design was a simple 6-inch reflector, built for his young son. He gradually progressed to making larger scopes in more sophisticated designs. Today, the Celestron company is an industry leader in designing and manufacturing optical equipment including telescopes (computerised and non-computerised), binoculars, spotting scopes and its accompanying accessories. Celestron's legacy spans 50 years, and has grown to enjoy recognition from amateurs to serious astronomers globally. The company seeks to remain innovative by growing its product offerings, while supporting science education around the world.
Product Code: 93451