# Telescope Calculator & Guide — Plan telescope views and gear

> Plan telescope views and gear (iPhone/iPad app by Sahar Yehezkel Avraham.)

- Source: https://appshunter.io/ios/app/telescope-calculator-and-guide/id6801246070 (this page in markdown: same URL + `.md`)
- Developer: [Sahar Yehezkel Avraham](https://appshunter.io/developer/6800669429)
- Category: Reference, Utilities
- Price: Free
- Age rating: 4+
- Requires: iOS 16.4 · 62 MB
- Languages: American English
- Released: 2026-09-25
- Data updated: 2026-10-06

## What is Telescope Calculator & Guide?

Telescope Calculator & Guide helps visual observers understand how a telescope and eyepiece combination will perform before heading outside.

CALCULATE YOUR VIEW
• Calculate magnification, exit pupil, true field of view, focal ratio, and useful power ranges
• Include Barlow lenses and eyepiece apparent field of view
• Get clear guidance when a setup is too dim, too bright, or beyond a practical magnification limit

ORGANIZE YOUR EQUIPMENT
• Save multiple telescopes, eyepieces, and Barlow lenses
• Keep calculations on your device for quick reference
• Compare up to five eyepieces on the same telescope

PLAN A BALANCED KIT
• See high-power, all-round, and wide-field eyepiece targets for your telescope
• Spot duplicate focal lengths before buying more gear
• Open practical searches for eyepieces and useful accessories

LEARN AT THE TELESCOPE
Browse concise guides covering magnification, exit pupil, field of view, telescope types, aperture, seeing conditions, planetary observing, deep-sky observing, filters, Barlow lenses, equipment planning, beginner mistakes, and solar safety.

The app stores your telescope, eyepiece, and calculation entries on your device. It does not require an account.

## Is Telescope Calculator & Guide safe?

Not enough ratings yet to assess Telescope Calculator & Guide.

## Is Telescope Calculator & Guide legit?

Telescope Calculator & Guide appears legitimate, with a few gaps. The AppsHunter Legitimacy Score for Telescope Calculator & Guide is 65 out of 100 points across 7 verification signals from App Store and developer data.


## Version history (last 2 releases)

### 1.0.1 — 2026-10-01

General bug fixes

### 1.0.0 — 2026-09-26

No release notes.

## Apps similar to Telescope Calculator & Guide

| App | Rating | Price | Category |
| --- | --- | --- | --- |
| [Cosmo Lens: Star Finder](https://appshunter.io/ios/app/cosmo-lens-star-finder/id6782364049) | 5.0 (1) | Free | Reference |
| [Milky Way: Cosmic Playground](https://appshunter.io/ios/app/milky-way-cosmic-playground/id1607487131) | 4.7 (1,901) | Free | Reference |

## More apps by Sahar Yehezkel Avraham

- [Birthday Cake Ideas: CakeMuse](https://appshunter.io/ios/app/birthday-cake-ideas-cakemuse/id6800669427)
- [Subwoofer Box Calculator](https://appshunter.io/ios/app/subwoofer-box-calculator/id6802809852)
- [Bucket List Goals: LifeQuest](https://appshunter.io/ios/app/bucket-list-goals-lifequest/id6805128947)

All apps by Sahar Yehezkel Avraham: https://appshunter.io/developer/6800669429

## Related topics

[telescope control app for stargazers](https://appshunter.io/ios/topics/telescope-control-app-for-stargazers) · [hubble telescope](https://appshunter.io/ios/topics/hubble-telescope)

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*Data collected daily from the US App Store and indexed by [AppsHunter](https://appshunter.io/). User reviews are verbatim App Store reviews. Ratings, prices and chart positions refresh continuously; this snapshot is from 2026-10-06.*