CT
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I just nipped out and got very cold and wet very quickly, photographing a flock of seagulls in the park next door. I thought it was about time I tried some servo action shots with the 1D. Conditions were awful and overcast, so to keep the shutter speeds up, I under-exposed and relied on sorting exposure out in RAW processing, so they're not the punchiest shots you'll see this week. Anyway, that's the excuses out of the way.
These birds were really shifting about in a high wind. I started off with a single centre AF point, but quickly found I had no hope of keeping the one AF point on the moving birds, so switched to all 45 AF points. As you'd expect, the 45 point system performed really well as long as there was nothing behind the birds except sky and infinity. It still performed remarkably well though against tree backdrops, occasionally getting confused, but to be fair, it was probably as much down to me losing focus lock during tracking.
These are colour shots btw, so you can see how grim the light was.
All in all I'm really impressed with the focusing system on the 1D. All shots taken at ISO 400 with the 100-400L wide open at 400mm and a fairly consistent shutter speed of 1/3200 second.
These birds were really shifting about in a high wind. I started off with a single centre AF point, but quickly found I had no hope of keeping the one AF point on the moving birds, so switched to all 45 AF points. As you'd expect, the 45 point system performed really well as long as there was nothing behind the birds except sky and infinity. It still performed remarkably well though against tree backdrops, occasionally getting confused, but to be fair, it was probably as much down to me losing focus lock during tracking.
These are colour shots btw, so you can see how grim the light was.
All in all I'm really impressed with the focusing system on the 1D. All shots taken at ISO 400 with the 100-400L wide open at 400mm and a fairly consistent shutter speed of 1/3200 second.