 |
| |||
| diagonal eyepiece; zenithal eyepiece; zenith ocular | |||
| high-angle eyepiece; telescope eyepiece; zenith eyepiece (for taking steep-angled sights); diagonal eyepiece (for taking steep-angled sights) | |||
|
| |||
| diagonal eyepiece; zenithal eyepiece; zenith ocular | |||
| high-angle eyepiece; telescope eyepiece; zenith eyepiece (for taking steep-angled sights); diagonal eyepiece (for taking steep-angled sights) | |||
