Picture of the Week, February and March 2006

photos by Alan Grinberg

"Sun Bridge", San Francisco

None of my photos of the tourists came out very well, so here's a bridge instead.

Canon Rebel XT
EFS 17-85 mm F4.0-5.6
1/250th Sec, f22
Focal Length: 17 mm (27 mm equivalant).


March 4, 2006, 3:38 pm
Canon PowerShot Pro1
1/250th sec, f6.3

"Mercury Seas"

3/11/06 5:12 pm
Canon Rebel XT, 200 mm
1/250 Sec, F/16, ISO 100

"O Lacrosse"

Lacrosse: Occidental College vs Colorado State University - Pueblo
A new appreciation for the difficulties of sports photography.
Digital Rebel, 200 mm.
1/2500 sec, f4


San Francisco Zoo: Flamingo
March 26, 2006, 11:30 am

I am still struggling with "auto focus". The focus on this camera/lens is very fast and accurate - but the problem is controlling what to focus on. Notice the feathers are super sharp, but I wanted the eye to be the sharpest. There are all sorts of electronic focusing adjustments to make that I am still learning about, plus they interact with other adjustments which makes it difficult. This also demonstrates the problem with such a narrow depth of field on a long lens - the picture would be better if the whole thing were super sharp. I should have stopped the lens down more and used a slower speed, but many of the birds were moving a lot and I was trying to catch action during the session.

Canon Rebel XT
200 mm Lens (320 mm equivalent)
1/1250 Sec, f/7.1

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