Featuring a five element lens design the Celestron Ultima Edge 10mm Flat Field Eyepiece - 1.25" gives a wide field of view and has a rubber grip. It is fully multi-coated and comes with a 2 year Warranty

See the whole picture with Celestron Ultima Edge eyepiece. These flat-field eyepieces were designed to provide an ultra-sharp, ultra-clear, crisp image from the center all the way to the edge of the field of view. The 10mm Ultima Edge eyepiece features fully multi-coated optics and a 5-element lens design, maximising light transmission.

The Ultima Edge 10mm has a generous 60� field of view, perfect for viewing planets, stars and the Moon's surface. This eyepiece provides high power magnification, perfect for those times when you want to get up close to smaller objects.

The 10mm Ultima Edge eyepiece's main housing is machined from high grade aluminum with a black anodised outer surface.

Its 1.25" mounting barrel is internally threaded to accept threaded to accept standard 1.25" filters and adapters. It is compatible with 1.25" star diagonals and focusers. On the exterior of the eyepiece, you will find a uniquely designed, molded rubber grip ring for non-slip handling during observing sessions, even if you have gloves on.

Viewing through the 10mm Ultima Edge eyepiece is comfortable for both eyeglass wearers and non-eyeglass wearers alike, thanks to the fold-down rubber eyecups and long eye relief of 16mm.

When you buy more than one Ultima Edge eyepiece, you can switch between them without refocusing thanks to their parfocal design. With a set of Ultima Edge eyepieces in your kit, you will be able to enjoy a wide range of high and low power views, and switch between them quickly and easily. That means you can get more out of every observing session.

NOTE: Ultima Edge 24mm is not a parfocal eyepiece. Ultima Edge eyepieces are only parfocal within the line and do not maintain focus when swapped with parfocal eyepieces from other brands or series.

Features
- 10mm parfocal Ultra Flat Field eyepiece designed for 1.25" focusers
- Incredibly crisp views from center to edge of field
- Fully multi-coated, 5-element lens design for excellent light transmission
- Wide 60� apparent field of view allows you to see more of the night sky
- Generous 16mm eye relief and fold-down rubber eyeguard for comfortable viewing with or without eyeglasses
- Molded rubber grip ring for non-slip handling

Specifications
Barrel Size Diameter: 1.25"
Focal Length: 10mm
Field Stop Diameter: 14.7mm
Apparent Field of View: 60�
Optical Design: Proprietary
Number of Lens Elements: 5
Number of Lens Groups: 4
Optical Coatings: Fully Multi Coated
Eye Relief: 16mm
Parfocal: Yes
Filter Threads: 1.25" (M28.5X0.6)
Eye Guard: Yes- roll up
Body Material: Aluminum
Weight: 2.82 oz (80 g)
Dimensions: 58mm x 36.5mm x 36.5mm