TeleCalc app for iPhone and iPad

TeleCalc is an application that performs calculations on the optical characteristics for a telescope when its is bound with a particular ocular lens, making easier for the astronomer amateur or professional to choose an equipment.

Given the equipment characteristics, calculates:

- Focal length
- Magnification
- Minimum magnification
- Maximum magnification
- Exit pupil
- Focal length of eyepiece
- Surface brightness
- Dawes resolution
- Rayleight resolution
- Pratical resolution
- Limiting magnitude
- Light gathering power
- Sharpness size of FOV
- Diffraction limit

Developed for iOS 13 or higher. Available in Portuguese, English, Spanish, French, German, Italian, Russian, Japanese and Simplified Chinese.