Thursday, September 20, 2007

At the airport (from the weekend)

I took this a few minutes after we arrived in Phoenix from Albuquerque. The plane in the picture was the one that we took. The sun was rapidly setting and the light seemed good. The plane and ground vehicles weren't as well lit so I decided to shoot a series of 3 exposures for an attempt at handheld HDR.

In order to get a sufficiently high enough shutter speed to shoot handheld, I had to boost the ISO to 1600. I was a little worried if there would be a lot of shadow noise in the tone-mapped image due to the use of high ISO. This is also an interesting test because unlike my previous handheld HDR attempts the scene isn't entirely static. There is the baggage getting luggage and the luggage itself moving on the conveyor belt. There's also a luggage vehicle moving just behind the plane.

Overall the motion blur isn't too bad. Shooting at a reasonable shutter speed at 10 frames / sec seems to have kept the motion blur looking natural. I also noticed a little bit of shadow noise in the tone mapped image but it wasn't that bad. A very slight amount of noise reduction was sufficient to eliminate it without affecting detail.

Technical Specs: Canon 1D3, 24-105@24mm, f/5.6, 3 shot HDR (1/80,1/25,1/8).
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