Long Exposure Calculator is a useful utility designed to assist photographers in determining the correct exposure time or shutter speed when using Neutral Density (ND) filters. This app, developed by Junel Corales, is available for iPhone, iPad, and iPod touch.

With its simple and intuitive interface, Long Exposure Calculator makes it easy for photographers to calculate the appropriate exposure time for long exposure shots. By inputting the current settings of your camera, including ISO, aperture, and the number of ND filter stops, the app instantly calculates the recommended exposure time.

One of the standout features of Long Exposure Calculator is its built-in countdown timer. This feature is especially handy when the exposure time exceeds 10 seconds, ensuring accurate timing during long exposures. Whether you're capturing breathtaking landscapes or experimenting with creative light painting, this app helps you achieve perfectly exposed long exposure shots.

Long Exposure Calculator supports up to 24 stops of ND filter, making it suitable for a wide range of photography scenarios. Whether you're a professional photographer or an amateur enthusiast, this app is a valuable tool for achieving stunning long exposure images.