Designed with a fully multicoated 5-element/4-group lens configuration, the Celestron Ultima Edge 10mm Flat Field Eyepiece produces bright and clear views with crisp and sharp resolution across the wide 60° field of view—even at the extreme edges. The eyepiece's focal length produces a high magnification for making detailed observations of the lunar surface, planets, or narrow areas of the night sky. This Ultima Edge has a 1.25" barrel that makes it compatible with popular diagonals, Barlows, and visual backs with standard threads for filters. It is parfocal with the 15mm and 18mm models in the Ultima Edge series, requiring little or no refocusing when changing between them. A textured collar makes inserting and removing the eyepiece easy, and the combination of comfortable 16mm eye relief and fold-down rubber eyecup makes it easy to use with or without eyewear.

10mm Focal Length    5-Element/4-Group Lens Design    Wide 60° Field of View    1.25" Diameter Barrel    Fully Multicoated Optics    Parfocal with 15mm & 18mm in Series    Slip-Resistant Textured Surface    Fold-Down Eyecup

Related Questions and Answers

Q: 1. Will this work with the Celestron 52257 Ultima 100 spotting scope and will it be an improvement?

A: This Scope does not accept Telescope Eyepieces. My apologies. This will not work.

Q: 2. Is this zoom eyepiece click-stop? If yes, how many increments?

A: No it does not there are 4 markings 8,12,16 24 it works great

Q: 3. Can this be used with Celestron 102 AZ telescope ?

A: Yes, the Celestron X-Cel LX 7mm Eyepiece (1.25"), can be used with the Celestron 102 AZ telescope.

Q: 4. Hi, is the top of the eye cup moveable from the position show in the photos on this page? Does anyonme know what distance of eye relief is possible withis range? Thanks

A: Eye Relief 16.0 mm Retractable Twist-Up Eyecup

Q: 5. will this work with a Nexstar 130 SLT?

A: Yes, it will

Q: 6. Can it fit on a celestron astromaster 114eq?

A: Yes this eyepiece can fit onto that scope since it takes a 1.25 Eyepiece opening.

Q: 7. Are there t-threads behind the eyecup that a T-adapter can screw onto?

A: The Celestron 8-24mm Zoom Eyepiece (1.25") BH #CEEPZ824 • MFR #93230 has no T-threads.

Q: 8. I have 130 eq ...can i used zoom lens

A: As long as you have 1.25 mount hole on your telescope (I believe 130eq is 1.25 ), you can use this one. I have 127eq and I absolutely love this eyepiece!

Q: 9. Is the eye cup removable and is there thread under the eyecup?

A: No, the eye cup is not removable and there is no threads. Sincerely, Garrett at Celestron

Q: 10. I read that these eyepieces are parfocal, except for one. Which one would that be?

A: Parfocal with All X-Cel LX Eyepieces