Obstacle course/BIF - 3DAFC & focus lock looking great!

TKH

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Hi all,

Have been reading some varying comments on the D300's AF. Since the 51pt 3D AF is a significant upgrade feature from my D70, I just had to check it out to form my own impression. I came away very impressed and excited about exploring action photography from now on. I have never shot BIF action sequence before, maybe because it's hard for me to track fast paced action through the little viewfinder of my D70. The D300 with it's great viewfinder and tenacious focus lock should change all that for me.

The following threads are large files of about 2.5MB each series for advance info to those on dial-ups. Nothing of photographic value, just sequence snaps to check the AF. All pics unedited except resize 25% at 94% quality for bandwidth purposes. All EXIF info should be intact. Shot with Nikon 18-200VR & 70-300VR on auto ISO (200-3200). These are basically my first couple days doing such action stuff.

There may be variations for initial production camera copies, but my copy (recently acquired) focus fast whether focus lock is on/off. So, for the fence sitters without budget constraints - do you still need to wait for Phil's permission ? ;-)

Regards -- TKH
 
Stood at "X", just behind the lamppost & tree. Commence acquire target at "Y". The focus target is the bike's registration number at 170mm with the 18-200VR. I think the bike is about 30KPH, approaching at a slight angle and travelling away from me after the lamppost. This one on C-lo, focus lock long.























 
OK, so maybe tracking a bike is easy. Let's try shooting BIF at short range with consumer zoom lens ...

Sitting at about 30ft from the bird's initial flight, tracked as it flew towards audience and lost it about 20ft away when I couldn't turn my body any further. This one on C-hi, focus lock long.



















Many thanks for the patience with my test snaps !
 

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