TeleCalc at App Store analyse

App power index: 100 (based on ranks around App Stores today)
Utilities Education Reference
Developer: Fabio Rendelucci
Price: 0 free
Current version: 6.2, last update: 1 year ago
First release : 18 Jan 2011
App size: 1.49 Mb
4.2 ( 4672 ratings )
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Estimation application downloads and cost

> 2.2k
Monthly downloads
~ $ 900
Estimation App Cost


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.
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Available in countries
Country Price
Canada 0.99 CAD
China 8 CNY
France 0.99 EUR
Germany 0.99 EUR
Italy 0.99 EUR
Netherlands 0.99 EUR
Portugal 0.99 EUR
Spain 0.99 EUR
UK 0.99 GBP
India 99 INR
Japan 100 JPY
Korea, Republic Of 1100 KRW
Poland 4.99 PLN
Russia 99 RUB
Turkey 29.99 TRY
USA 0.99 USD
Ukraine 0.99 USD
Available for devices
iPhone3GS, iPadWifi, iPad3G, iPhone4, iPodTouchThirdGen, iPodTouchFourthGen, iPad2Wifi, iPad23G, iPhone4S, iPadThirdGen, iPadThirdGen4G, iPhone5, iPodTouchFifthGen, iPadFourthGen, iPadFourthGen4G, iPadMini, iPadMini4G, iPhone5c, iPhone5s, iPadAir, iPadAirCellular, iPadMiniRetina, iPadMiniRetinaCellular, iPhone6, iPhone6Plus, iPadAir2, iPadAir2Cellular, iPadMini3, iPadMini3Cellular, iPodTouchSixthGen, iPhone6s, iPhone6sPlus, iPadMini4, iPadMini4Cellular, iPadPro, iPadProCellular, iPadPro97, iPadPro97Cellular, iPhoneSE, iPhone7, iPhone7Plus, iPad611, iPad612, iPad71, iPad72, iPad73, iPad74, iPhone8, iPhone8Plus, iPhoneX, iPad75, iPad76, iPhoneXS, iPhoneXSMax, iPhoneXR, iPad812, iPad834, iPad856, iPad878, iPadMini5, iPadMini5Cellular, iPadAir3, iPadAir3Cellular, iPodTouchSeventhGen, iPhone11, iPhone11Pro, iPadSeventhGen, iPadSeventhGenCellular, iPhone11ProMax, iPhoneSESecondGen, iPadProSecondGen, iPadProSecondGenCellular, iPadProFourthGen, iPadProFourthGenCellular,
Needs a Lot of Work

Error messages on entry work poorly. The keyboard covers the entry feilds! (that is boneheaded). Should have things like sampling calculations for CCD imagers.

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