02.19.13 | Chelsea Portrait; Experimenting with Exposure

Lookbook Collection 1000

Sometimes its good to get back to basics and refine your approach to things. When I recently sat down with Chelsea, I wanted to play around with exposure. Exposure is a balance of aperture and shutter speed, but your film speed also plays a factor. I had never used my ISO setting to alter my exposure in the past.

Usually I try to shoot with the smallest setting to capture as much fine detail as possible. This time I experimented by changing the ISO on my digital SLR and keeping the f stop at f/5 and the shutter speed at 1/25.

Using a simple setup, diffused key lighting and back lighting…and a bunch of reflectors, I was able to capture a clean complexion for this beauty shot of Chelsea. My ISO was set at 200 to allow for a decent shutter speed.

Chelsea Headshot 01

I altered my ISO to a much faster 800, keeping the aperture and shutter speed consistent. With my lighting, I was able to blow out Chelsea’s portrait in this second example and create contrast of light and dark, giving the portrait a much different feel. The light purple tone was created in post processing with a filter.

Chelsea Headshot 02

Of course you can accomplish a similar image by slowing the shutter speed or increasing the size of your aperture. I like the simplicity of the overexposed portrait and the gritty quality of the detail in the shadow lines.

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