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Best (which includes cheapest) Way to get Sony’s AF-C tracking

Drd1135

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I have an A7R3 but would really like to get the latest version of Sony’s Tracking AF-C. Easy way to do it is to buy the A7C, but I get the feeling the next release will be so much better. So, used A7III, wait for A7 iV, etc. ? Target of choice: Toddler grandkids.
 

serhan

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Get an A1 and done with it:)

Are you looking for stills or video? I was using EP-1 for toddlers and that was a challenge:) I am photographing mostly pets now... A7R III is good enough tracking eye af with the dogs and cats when even they are playing... Maybe wait for A7 IV or try a used A9. Maybe Christilou can chime in about A9 experience with her granddaughter...
 

Drd1135

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Get an A1 and done with it:)

Are you looking for stills or video? I was using EP-1 for toddlers and that was a challenge:) I am photographing mostly pets now... A7R III is good enough tracking eye af with the dogs and cats when even they are playing... Maybe wait for A7 IV or try a used A9. Maybe Christilou can chime in about A9 experience with her granddaughter...
Stills.
 
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Short of getting the premium-price cameras A9(m2) or A1, the expected A7m4 will fit the bill best I guess: probably the best AF performance of any camera that doesn't use the stacked sensor of the A1/A9 series and probably still reasonably priced (if you think 2500...3000 euros or dollars is reasonable).
 

serhan

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Maybe this below link/list should help, best mirrorless for tracking BIF:
https://mirrorlesscomparison.com/best/mirrorless-cameras-for-birds-in-flight/

Summary and rankings​

Here is a quick recap of the best AF keeper rate score for each camera. As we test newer products, we will update this article with our findings.

AF RATEGREENBLUE
Sony A9 II96%99%
Sony A995%98%
Canon EOS R693%97%
Nikon Z788%96%
Nikon Z686%95%
Sony A640080%93%
Canon EOS R79%98%
Fujifilm X-T479%94%
Sony A7 III77%96%
Olympus OM-D E-M1X74%91%
Nikon Z5074%87%
Sony A650073%97%
Fujifilm X-T372%96%
Olympus OM-D E-M1 III72%94%
Olympus OM-D E-M5 III72%93%
Olympus OM-D E-M1 II66%81%
Sony A7R III64%88%
Sony A7R IV63%90%
Fujifilm X-T263%87%
Fujifilm X-H162%83%
Panasonic G951%69%

Purely guessing A7C tracking might be above A7 III, maybe around/above A6400 level, not much big difference... A7R III/IV tracking is surprisingly below the 24MP sensors...
 

tino84

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I have an A7R3 but would really like to get the latest version of Sony’s Tracking AF-C. Easy way to do it is to buy the A7C, but I get the feeling the next release will be so much better. So, used A7III, wait for A7 iV, etc. ? Target of choice: Toddler grandkids.
You’re not mentioning your budget.
The a7riii is a good camera, staying between an a7rii and an a7iii, its af I think is good enough for kids, even if it recquires some practice with it.

If you wish to update, do you want to sell it to fund the new purchase?
Or do you want a camera that stays in the same bag of your a7riii?
Also a7iii is “old” and you can get for a lower price than an A7C, has a better vf and a bigger grip (we don’t know which lenses do you have), and could do what you think your a7riii is missing.

An a9 is a different camera, for a different cost (as the mentioned a7riv); the a9 could be a good mate for your actual camera, if its cost is ok for you. The a7riv I see more sense if will replace your a7riii :)
 

Richard Crowe

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Sep 14, 2018
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I am under the impression that the tracking of the A6600 is better than the A6400 but, I have not tested them head to head.

However, although the A1 and the two versions of the A9 are the primo tracking cameras from Sony, the A6400 certainly doesn't have to hang its head in shame...

These were done with the A6400 and Sony 70-200mm f/4 lens... I used an f/5.6 aperture because I wanted the entire dog in focus, At the maximym f/4 aperture I would often get a portion of the dog OOF...
DUKE AND BALL_4534.jpg
ILCE-6400    FE 70-200mm F4 G OSS    74mm    f/5.6    1/1000s    ISO 4000
DUKE AND BALL_4535.jpg
ILCE-6400    FE 70-200mm F4 G OSS    74mm    f/5.6    1/1000s    ISO 4000
DUKE AND BALL_4537.jpg
ILCE-6400    FE 70-200mm F4 G OSS    74mm    f/5.6    1/1000s    ISO 4000
DUKE IN YARD_3936.jpg
ILCE-6400    FE 70-200mm F4 G OSS    70mm    f/5.6    1/500s    ISO 4000

I would expect that if the A6400 tracking can nail the focus on my little Duke playing with his ball, your grandkids should also be no problem. At the B&H price of $900 or so, the A6400 might be the best price on a really fast focusing camera.

Remember however, that the AF capability of your lens as well as the aperture at which you are shooting can impact your overall auto focus speed...

BTW: shooting with an APSC camera along with a full frame camera can really increase your versatility. As an example, I will use the 14mm f/2.8 Samyang and the 28-75mm f2.8 Tamron with my A6xx and A7iii cameras. These lenses equate to their standard focal lengths when used on the A7iii but provide an equivalent 21mm and 42-105mm respectively when used on the crop camera.
 
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Drd1135

TalkEmount Regular
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Steve
Short of getting the premium-price cameras A9(m2) or A1, the expected A7m4 will fit the bill best I guess: probably the best AF performance of any camera that doesn't use the stacked sensor of the A1/A9 series and probably still reasonably priced (if you think 2500...3000 euros or dollars is reasonable).
I have looked at used A9. They are dipping below $2K. If I wait a bit it will be very competitive money-wise with the A7C. My real question is how to compare the AF-C tracking of the older A9 with the A7C. I’ve never seen them directly compared.
 

Biro

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Oct 21, 2012
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264
I have looked at used A9. They are dipping below $2K. If I wait a bit it will be very competitive money-wise with the A7C. My real question is how to compare the AF-C tracking of the older A9 with the A7C. I’ve never seen them directly compared.
I understand the A9 with firmware 6.0 is excellent. I would pick one up myself if not for my only concern about the A9 - weather resistance.
 

Biro

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Joined
Oct 21, 2012
Messages
264
Is the A9 WR worse than the other Sony bodies?
The weather resistance on all of the Sony bodies up until - I believe - the A7rIV is a bit questonable. That's not to say there is none. But the bottom of the camera and doors for the battery and memory cards are known leak points. The hot shoe, too (keep the cover on it).

Sony has since taken care of that - and beefed up the WR throughout its newest bodies. If you read Sony's own product pages for the A7rIV and A9II, you'll notice they refer to "enhanced weather resistance."

That said, while the A9II is the one I really want, I am still very much tempted by the original A9. Actually, I could go for the A7rIV (same price as the A9 right now) but I'm not sure all that resolution won't cause as many problems as it solves.
 
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