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Telescope calculator (no ads)

Official Description

Calculation of parameters and characteristics of telescopes using different eyepieces and visualization.

Settings:
- language (Russian, English, Hungarian, Spanish, German, French, Romanian, Croatian, Italian, Sinhalese, Norwegian, Persian, Polish, Japanese, Portuguese, Korean, Catalan, Dutch, Arabic, Greek, Malay, Luxembourgish)
- scale
- text font size
- input by the slider
- comparison of telescopes
- swipe

Telescope:
- List of telescopes
- Diameter
- Focal length
- Focuser

Eyepiece:
- Eyepiece list
- Focal length
- Field of view
- Barlow lens

Calculations:
- Magnification
- Stellar magnitude
- Field of view
- Maximum field of view
- f-number
- Diameter of exit pupil
- Size of craters on Moon
- 2D, 1.4D, 1D, 0.7D, 0.5D

- Sun

Planets:
- Mercury
- Venus
- Mars
- Jupiter
- Saturn
- Uranus
- Neptune
- Pluto

Satellite:
- Moon
- Titan
- Io
- Europa
- Ganymede
- Callisto

Messier:
M1, M16, M20, M42, M88, M104