Better than the D2Xs once you are locked in, it stays locked on the bird in flight pretty darn nice even white birds against white/grey skies. In tough conditions it is very fast to focus and lock on.
However, so far the 51 point 3D mode (different than the normal dynamic 51 point) doesn't work as well on static shots, there you would use a normal dynamic mode. Note, based upon 2 hours out in the cold shooting trumpeter swans and white gulls.
Thanksgiving brought some friends and their active seven month old. Got about 50 great shots (perhaps deleted 5) that are keepers, perfect focus, did not notice any problems. Both situations with Sigma 18-50 2.8. High ISO in the first situation, and wireless flash with the SB800 in the second. It's a winner in my eyes...
The AF systems on all other cameras are a joke compared to the new CAM-3500 module. It picks up faces, eyes, anything you are thinking about, it picks up. I had it track a guy running across the frame with 3D tracking, and continue to maintain perfect focus when the only part of him left in the frame was the bottom of his shoe- well outside the AF coverage area.
It works great in low light, too, from what I've experienced.
It really is a quantum leap in this level of the market, and a significant jump from any previous AF system. And I've used them all extensively... CAM900 in the D70/s, CAM1300 in the D1 series, CAM 2000 in the D2Hs and F6, CAM1000 in the D200, CAM 530 in the D40... and the Canon 45 point AF systems from the 1V/1D series prior to the mark III, and the Mark III 45 point AF system.
It finds faces. It finds shapes. It knows what you're looking for. Color tracking works better than I'd even dreamed. It has predictive focus algorithms like I've never seen before. My subject moved completely outside the focus frame, and almost entirely out of the camera frame. The tracking was good enough that the camera could extrapolate where my subject was going (he was running away in front of the camera at an angle) and keep the AF dead on. And I've had a few other extreme cases since then where I've just been amazed at what it gives me.
Low light focus is very reliable. I'm only used to that with the F6 and even then, not this good.
High ISO? LCD? Viewfinder? Build? All nice features, but the 'killer app' on the D300, the thing that will sell most of these cameras, is the AF system.
jpn schrieb:Nein Dirk,hast du nicht, war aber auch nicht wörtlich zitiert, sondern als Schlagwort für die Kritik und Zweifel gedacht, die diejenigen, die von AF-Problemen berichten, jetzt einstecken müssen. Nicht so plakativ ausgedrückt, wird man sie nicht als Idioten bezeichen, sondern ihre Probleme als "Anwenderfehler" umschreiben.... Ist aber der Sache nach dasselbe....bloß keine Zweifel an der Kamera aufkommen lassen....
Und die AF-Probleme der D200 mit lichtstarken Objektiven brauche ich dir - als "altem NFF-Hasen", der die Beiträge dazu in und auswendig kennen dürfte -, nun wirklich nicht zu erklären, oder? Gerade bei der (Studio-)portraitfotografie ist es immer noch ein Glücksmoment, wenn sich der AF bei ungefähr jeder 10ten Aufnahhme dazu befleißigt, auch wirklich das fokussierte Auge scharf zu stellen (und nicht - wie so gerne - das Ohr) - insbesondere mit Offenblende. Ähnlich im Weitwinkelbereich (z.B. mit meinem 17-35 bei 17 mm) mit Fokus auf ein kleines Objekt im Vordergrund - Volltreffer sind hier eher Glückssache.
Nicht das mich die positiven Berichte jetzt mehr beeindrucken würden als die negativenFalter schrieb:Better than the D2Xs
....
perfect focus
....
The AF systems on all other cameras are a joke compared to the new CAM-3500 module
....
It really is a quantum leap in this level of the market
PhantomX schrieb:und das Funktioniert sogar
http://forums.dpreview.com/forums/readflat.asp?forum=1039&thread=25719620
foxmulder schrieb:Nicht das mich die positiven Berichte jetzt mehr beeindrucken würden als die negativen- aber solange mir niemand die morgigen Lottozahlen PNt - Bitte, Bitte sowas nicht mehr posten.
Mach ruhig, die reizt mich nicht. Zu großer Sensor....Falter schrieb:Ich könnt ja noch was von der D3 posten...
denis schrieb:--- EILMELDUNG AUS TOKIO ---
NIKON JAPAN STARTET RUECKRUF-AKTION DER D300
denis schrieb:--- EILMELDUNG AUS TOKIO ---
NIKON JAPAN STARTET RUECKRUF-AKTION DER D300
Coming from a D2Xs, it appears that the D300 focuses faster and more precisely, acquiring lock instantly (500 AFSII and TC14EII this morning).
The two areas I'm still seeing difficulties (this is from a bird shooter):
A) Acquiring lock when the subject is flying low to the water. The camera still prefers the water from this mornings tests. Even when shooting more than just single area, you can watch the AF points stay with the surface of the water, even when an initial solid subject lock is obtained.
B) Subject flying against busy backgrounds: AF still prefers the background unless you're shooting single focus point and can keep it dead nuts on the subject....even when using lock on.
For my type of shooting, I didn't find that 3D tracking worked any better at all.
I had one situation with a male harrier 30 yards out illuminated beautifully from behind me, but against solid gray clouds (bird was white underneath so this was a very high contrast subject / background situation). The bird filled at least 20% of the frame and the camera simply would not focus on it, even though it was flying into the wind and just hung there. Same thing I experienced with my previous D2 series bodies.
Quelle: http://www.nikoncafe.com/vforums/showthread.php?p=1517121#post1517121
Ok, a lot of my thoughts mirror Jim Fentons, flying next to the water in 51 point 3d mode the camera really jumps between the birds and water,
In the air a single bird (in my case a gul and white trumpeter swan) worked Ok in 51 Pt 3d mode as long as the bird was flying straight, however, once in a while it would focus on a wingtip or something instead of the body or head.
On erratic subjects the 3d Tracking would jump to and from the bird and then grab the water
NOW, all of these birds were white or grey and I was shooting against grey skies, most shutter speeds were 1/50th to 1/100 even at ISO 400/800. Very very dark morning.
Much Much easier lock in with my 200-400 against a grey sky with low contrast birds than my D2Xs or D200. It really is much better at acquiring focus in dark conditions, and the lock in is fast, little hunting with my 200-400 lens.
With a flock of snow geese, the 51 point 3d looked like it was going spastic! lol It was jumping from bird to bird to bird, with different birds in different shots in focus.
Quelle: http://www.nikoncafe.com/vforums/showthread.php?p=1517183#post1517183
Falter schrieb:Weitere Kommentare zum AF:
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Also keine Wunder von den neuen Features erwarten, sie aber auch nicht schlecht reden.
Wie immer halt
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