Celestron Ultima Edge UFF Eyepiece Range
10mm - 30mm
60º to 70° FoV
1.25" on all except 30mm which is 2"
The Ultima Edge have a generous 60° to 70° field of view -
60° on 10mm
65° om 15mm, 18mm and 24mm
70° on 30mm
The Ultima Edge eyepiece’s main housing is machined from high grade aluminum with a black anodized 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 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 -
16mm on the 10mm and 15mm Eyepiece
20mm on the 18mm Eyepiece
29mm on the 24mm Eyepiece
22mm on the 30mm Eyepiece
Convenient Parfocal Design
Spend more time observing and less time focusing! 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'll 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.
- Apparent Field of View: 60° to 70─
- Eye Relief (mm): 16 mm to 29mm
- Optical Coatings: Fully multi-coated
- Number of Lens Elements: 5
- Barrel Size (in): 1.25" and 2"
- Parfocal Eyepieces: Yes except 24mm
- Threaded For Filters: Yes