Island in the Net

A personal blog by Khürt Williams, full of inchoate writing on photography, coffee, and geekery.

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Slower Shutter

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Slower Shutter, IMG 0714 431x768

Slower Shutter

I’ve been having a lot of fun with long exposure photography. Long exposure photography allows me to create the glassy look created by water on a lake or the fluffy cloud look created by water flowing over a waterfall.

I use a Hoya NDx400 9 stop — “Big Stopper” — ND filter. It’s nearly impossible to focus once the filter is on the lens. Computing the exposure values for the use with an ND filter can be complicated. Slower Shutter is a simple app — in appearance and functionality — designed to assistance with long exposure photography.

Using Slower Shutter is easy. With your camera in Aperture Priority mode set your desire aperture and ISO. Your camera will determine the shutter speed. Take note of the shutter speed. Enter the shutter speed value into Slower Shutter. Select the strength of your Neutral Density filter into Slower Shutter. Slower Shutter will display the new shutter speed that you’ll need to set the proper exposure for your photo. If the shutter speed is greater than 30 seconds you’ll want to set you camera to “bulb” mode and use a remote trigger. Use the timer on Slower Shutter to time your exposure.

Long exposure photography isn’t difficult but if you need help the, Slow Shutter’s developer, Mike Wong, has written a simple tutorial.

Slower Shutter is $0.99 in the App Store.[/fusion_builder_column][/fusion_builder_row][/fusion_builder_container]