$0.99

Details

  • Released
  • Updated
  • February 24, 2014
  • October 5, 2015

Features

NDCalc2 screenshot #1 for iPhone
NDCalc2 screenshot #2 for iPhone
NDCalc2 screenshot #3 for iPhone
NDCalc2 screenshot #4 for iPhone
NDCalc2 screenshot #5 for iPhone
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About

Calculate correct exposure times when using ND filters for long exposures. Easily manage your filter collection, add custom filters, and switch between single and multi-select modes for stacking.

Calculate exposure time with ND filters
Supports iPhone 5/s/c screens
Multi-Select Mode for filter stacking
Add custom ND filters
Delete and reorder filters
Countdown timer for long exposures
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What's New in NDCalc2

2.2

October 5, 2015

This update from Apple will improve the functionality of this app. No new features are included. Ready for 4,7" and 5,5" Screens in your iPhone6(s) and iPhone6(s) Plus

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User reviews

Crashes

When you add a filter and then go to use it the app crashes.

Waste of money - bugs galore for such a simple app

I can't believe I wasted a whole 69p purchasing this app. On first use, after adding a new filter the app crashed, when selecting a shutter speed/filter combination, if you happen to select more than one filter (I don't think it should let you do that anyway) and the exposure time is over a certain amount the app crashes, need I say anymore? This is easily fixed by using a simple if statement to check the exposure value (if you really want to allow the user to select more than one filter).

Then when you tap on the Start button, you don't even show a countdown timer, just a progress bar. For this, the progress bar is pointless as it doesn't tell me how many seconds of the exposure are remaining.

Come on, put some real thought into an app you are charging for.
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FAQ

What is NDCalc2 used for?

NDCalc2 helps photographers calculate the correct exposure time when using Neutral Density (ND) filters. It takes the known exposure time without a filter and the ND filter's value to determine the adjusted exposure time.

Does NDCalc2 support custom filters?

Yes, NDCalc2 allows you to add your own filters that are not in the default list. You can add them by f-stops, ND-Value, or Factor, making the app more personalized to your gear.

Can NDCalc2 be used for filter stacking?

Absolutely. NDCalc2 features a Multi-Select Mode that allows you to easily manage and select multiple stacked filters for long exposure photography.

What devices does NDCalc2 support?

NDCalc2 is designed for iOS devices, specifically supporting the 4-inch screens of iPhone 5/s/c and iPod Touch. It also supports Retina displays.

How does NDCalc2 handle very long exposures?

For exposure times of 4 seconds or longer, NDCalc2 provides a countdown button. This feature aids in manually stopping longer exposures, often used with a remote shutter release, and includes alarm and vibration support.

What is the price of NDCalc2?

NDCalc2 is a paid application, available for $0.99. This one-time purchase grants you access to all its features.

How often is NDCalc2 updated?

The latest version of NDCalc2 is 2.2, last updated on October 5, 2015. While updates have not been frequent recently, the app was built for iOS 7 and supports modern iPhone screen sizes.

What is the user sentiment for NDCalc2?

Based on the available data, NDCalc2 has a rating of 1.5 stars from 2 ratings. This suggests a mixed to negative user reception, potentially indicating areas for improvement in user experience or functionality.