Telescope
Eyepiece
Accessories
Uncooled tube thermal currents
Computed
Magnification
40x
Exit pupil
5.0 mm
True FOV
1.25°
Dawes limit
0.58"
CFZ
0.22 mm
Focuser
In Focus
How to Use
- Select a telescope type to see its optical layout
- Adjust aperture and focal length to match your telescope
- Drag the focuser slider to see how rays converge at the focal plane
- Change the eyepiece focal length and AFOV to see magnification effects
- Enable the focal reducer to see how it shortens the light path
- Load your saved equipment from the dropdowns to auto-fill parameters
- Increase tube seeing to simulate thermal currents from an uncooled telescope tube