Home News Open Source Photography: NDFilter Android App By Dmitri Popov January 5, 2015 Getting exposure right when using ND filters can be tricky, unless you enlist the help of NDFilter. This open source app for Android makes it possible to calculate the correct shutter speed for the given ND filter with consummate ease. Complete Story Facebook Twitter Linkedin Email Print Get the Free Newsletter! Subscribe to Developer Insider for top news, trends, & analysis Email Address By subscribing, you agree to our Terms of Use and Privacy Policy. Subscribe Must Read News TUXEDO Gemini 17 Gen3 Linux Laptop Launches With AMD Ryzen 9 7945HX News Juno Tab 3 Linux Tablet Launches at $699 With Ubuntu 24.04 LTS News Ubuntu 24.04.1 LTS Upgrades Back Online After Temporary Suspension News Cinnamon 6.4 to Debut With Revamped Default Theme News LibreOffice 24.8.1 Office Suite Is Now Available for Download With 89 Bug Fixes