Celestron Omni 12mm Plossl vs Celestron Omni 4mm Plossl: specs compared
Updated 05 September 2026.
2
specs differ
Celestron Omni 12mm Plossl and Celestron Omni 4mm Plossl differ on 2 specs: focal length, eye relief.
| Spec | Celestron Omni 12mm Plossl | Celestron Omni 4mm Plossl |
|---|---|---|
| Focal length | 12 mm | 4 mm |
| Apparent field of view | 50 degrees | 50 degrees |
| Barrel size | 1.25 in | 1.25 in |
| Eye relief | 8 mm | 6 mm |
| Optical design | 4-element Plossl | 4-element Plossl |
Questions and answers
How do Celestron Omni 12mm Plossl and Celestron Omni 4mm Plossl compare?
Celestron Omni 12mm Plossl and Celestron Omni 4mm Plossl differ on 2 specs: focal length, eye relief.