
Magna Calc 4+
Greg Paskal
Designed for iPhone
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- $0.99
iPhone Screenshots
Description
Great for amateur astronomers.
Astronomers often need to calculate the magnification derived from their telescope focal length and eyepiece. MagnaCalc provides an easy way to calculate this value for both amateur and professional astronomers.
Additionally, Magna Calc provides a 2x to 5x Barlow lens option.
Whether you're an amateur or professional astronomer, you'll find Magna Calc helpful in your everyday passion for astronomy.
Magna Calc Features...
- Telescope Focal Length (in Millimeters)
- Eyepiece Focal Length (in Millimeters)
- Barlow Lens Option (1x, thru 5x)
- Magnification Calculation
What’s New
Version 2.3
Redeveloped from scratch with added barlow lens settings.
Ratings and Reviews
Not really happy with it
Its simple and the key pad is a good idea. But this calculator requires you know your f ratio in millimeters. I can figure that out, but I think a good calculator should not require you provide some of the calculating yourself. Any scope owner would know their mirror size in inches and focal length f ratio, calculating from those figures would be more useful.
Terrible
Don't waste your dollar. If you've updated your phone since 2011, then the app will not even open. Shame on the developer for not keeping the app updated, and shame on Apple for not removing the app from the App Store. If I could I'd rate this app -5 stars.
App Privacy
The developer, Greg Paskal, indicated that the app’s privacy practices may include handling of data as described below. For more information, see the developer’s privacy policy.
Data Not Collected
The developer does not collect any data from this app.
Privacy practices may vary, for example, based on the features you use or your age. Learn More
Information
- Seller
- Greg Paskal
- Size
- 883.7 KB
- Category
- Education
- Compatibility
-
- iPhone
- Requires iOS 18.0 or later.
- Mac
- Requires macOS 15.0 or later and a Mac with Apple M1 chip or later.
- Apple Vision
- Requires visionOS 2.0 or later.
- Languages
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English
- Age Rating
- 4+
- Copyright
- © 2025 MissionWares
- Price
- $0.99
Supports
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Family Sharing
Up to six family members can use this app with Family Sharing enabled.