Celestron Omni 4mm Plossl vs Celestron X-Cel LX 2.3mm: specs compared
Updated 05 September 2026.
4
specs differ
Celestron Omni 4mm Plossl and Celestron X-Cel LX 2.3mm differ on 4 specs: focal length, apparent field of view, eye relief, optical design.
| Spec | Celestron Omni 4mm Plossl | Celestron X-Cel LX 2.3mm |
|---|---|---|
| Focal length | 4 mm | 2.3 mm |
| Apparent field of view | 50 degrees | 60 degrees |
| Barrel size | 1.25 in | 1.25 in |
| Eye relief | 6 mm | 24 mm |
| Optical design | 4-element Plossl | 6-element |
Questions and answers
How do Celestron Omni 4mm Plossl and Celestron X-Cel LX 2.3mm compare?
Celestron Omni 4mm Plossl and Celestron X-Cel LX 2.3mm differ on 4 specs: focal length, apparent field of view, eye relief, optical design.