Telescope Calculator is an Android application developed by א.מ. that provides a wide range of features and calculations for astronomy enthusiasts. With this app, users can calculate various parameters and characteristics of telescopes, including magnification, field of view, f-number, and more.

The app offers a user-friendly interface with customizable settings such as language selection, text font size, and scale. Users can input values using a slider for ease of use. Telescope Calculator also allows users to compare different telescopes and bookmark their favorite configurations for quick reference.

In addition to telescope calculations, the app provides information on the Moon phases, the Sun, and the International Space Station (ISS). Users can also explore information about various planets, satellites, asteroids, and celestial objects such as Messier, NGC, and IC objects.

With its extensive range of features and calculations, Telescope Calculator is a valuable tool for amateur astronomers and telescope enthusiasts. Whether you are a beginner or an experienced observer, this app provides the necessary tools to enhance your stargazing experience.