Celestron Omni 56mm Plossl vs Celestron X-Cel LX 18mm: specs compared

Updated 05 September 2026.

5
specs differ

Celestron Omni 56mm Plossl and Celestron X-Cel LX 18mm differ on 5 specs: focal length, apparent field of view, barrel size, eye relief, optical design.

SpecCelestron Omni 56mm PlosslCelestron X-Cel LX 18mm
Focal length56 mm18 mm
Apparent field of view47 degrees60 degrees
Barrel size2 in1.25 in
Eye relief52 mm16 mm
Optical design4-element Plossl6-element

Questions and answers

How do Celestron Omni 56mm Plossl and Celestron X-Cel LX 18mm compare?

Celestron Omni 56mm Plossl and Celestron X-Cel LX 18mm differ on 5 specs: focal length, apparent field of view, barrel size, eye relief, optical design.

Compared here

Celestron Omni 56mm Plossl: focal length, field and the magnification it givesCelestron X-Cel LX 18mm: focal length, field and the magnification it gives