
Archived App
This is an archived listing of the app previously available on the App Store.Although the app is no longer distributed by Apple, you can still view its description, screenshots, version history, ratings, and metadata for reference.
About
This app calculates camera flash distances based on aperture and guide numbers, and also computes depth of field for various camera models. It supports different flash power settings and allows custom camera input.
What's New in FlashPower+
2.5
October 2, 2017
This app has been updated by Apple to display the Apple Watch app icon. Potential crash fix. The app will prompt for a review. Please use the support web page if you have issues or questions. If you find value with the app, please provide a review.
MoreUser reviews
FAQ
What is FlashPower+ used for?
FlashPower+ is a dual-purpose calculator for photographers. It helps determine camera flash distances based on guide numbers and aperture, and also calculates the depth of field for specific camera models and settings.
How does the flash calculator in FlashPower+ work?
The flash calculator uses the guide numbers provided by your flash unit to calculate either the maximum flash distance for a given aperture or the necessary aperture for a desired subject distance. It also converts distances from meters to feet and can adjust for different ISO settings.
Can I adjust the power setting on the flash calculator in FlashPower+?
Yes, version 2.0 of FlashPower+ added an option to select the power setting on the flash calculator. You can choose from Full, 1/2, 1/4, 1/8, 1/16, 1/32, 1/64, and 1/128 power settings.
How is the depth of field calculated in FlashPower+?
The depth of field calculator includes a wide selection of camera manufacturers and models. To perform the calculation, you will need to provide the 'Circle of Confusion' value for your camera. If your camera isn't listed, you can add it manually.
What devices is FlashPower+ compatible with?
FlashPower+ is designed for iPhone and iPod devices. It is rated for ages 4 and up.
How much does FlashPower+ cost?
FlashPower+ is a paid application, available for $4.99. There are no in-app purchases or advertisements mentioned.
When was FlashPower+ last updated?
The latest version of FlashPower+ is 2.5, which was last updated on October 2, 2017. The app was initially released on March 25, 2015.
What is the user rating for FlashPower+?
FlashPower+ has a rating of 3.4 stars based on 5 user ratings. This indicates a mixed reception from its user base.





