Who really has the fastest AF system?

Started 2 months ago | Discussions thread
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Re: Mirrorless guy.. fail again
In reply to Lab D, 2 months ago

Lab D wrote:

Greg A A wrote:

Lab D wrote:

Greg A A wrote:

Lab D wrote:

Mystery Gardener wrote:

Lab D wrote:

Greg A A wrote:

RedFox88 wrote:

kivis wrote:

Can anyone say who has the fastest AF system, DSLR, mirrorless, included.

In a year or 2 we should see mirrorless cameras shooting 20 FPS or faster while maintaining focus. Some can already shoot faster than that now but without focusing.

Once we have a global shutter, 30+ FPS will be common among mirrorless cameras. They are already shooting video at 30 FPS and 8MP already.

In a couple of years the next the pro level Canikons will shoot comparable frame rates...

No they won't. DLSRs need to flap a mirror up to take a picture then back down before they can focus. Since this is mechanical there is wear and tear on the mechanism each time and more force the faster it goes (and V is squared to compute force so A LOT more force). I am sure this all can be done, but the cost will skyrocket. Meanwhile, those cheap inexpensive mirrorless cameras will get cheaper and faster.

Speculation always seems attractive compared to reality.

Right, which is why DSLR focusing has not improved much in the past several years despite what some had hoped. .

PDAF rules the day when AF counts.

False. LENSES rule the day. How many Sony and Pentax PDAF cameras do you see pros using at sporting events? We already know CDAF is more accurate and does not need manual adjustment, but there is not the great selection available yet.

Nikon and Canon have the best AF for action plus the best lenses. It's a winning combination. You fail when you minimize them. They dominate. The nice little hobby cameras just can't compete.

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f8 and be there

Except we know they can compete from unbiased reviews. The GH4 which costs about 1/4th of what a D4s costs is very close in continuous focusing. In fact, for some types it is more accurate unless you spend a lot of time micro-adjusting each Nikon lens properly. Even the cheaper A6000 was very close to the Nikon and in some cases could be more accurate.

Prosumer DSLRs cheaper than the G4H will very likely outperform it and any other mirroless. "Unbiased tests" from non-professionals does not carry much weight.

Again, it is the lenses that matter. Here it is no contest and why pros almost never consider other DSLRs such as Pentax or Sony.

If that was the only reason you would see the pros use cheaper Canon and Nikos than the top models.

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