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A7riii or A9 for concerts and sports?

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ce-kooistra View Drop Down
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Post Options Post Options   Quote ce-kooistra Quote  Post ReplyReply Direct Link To This Post Topic: A7riii or A9 for concerts and sports?
    Posted: 12 April 2019 at 14:42
Wondering about your opinions on the following:

I'm a long time A-mount shooter, mainly focussed on concert and sports photography (racing, cycling, field hockey). Invested in top quality a-mount glass and happy with a99ii and a77ii.

Then e-mount started to emerge, and after skipping the first models, mainly because poor autofocus, I bought a A7riii, mainly for concert as a secondary body. Used adapted A-mount lenses and was very happy about image quality, autofocus not so much. After testing native e-mount lenses, I decide to sell my "short" a-mount lenses (16-35 and 24-70, and bought native e-mount equivalents. Excellent image quality and more than adequate autofocus for concerts. So at this moment I use a99ii with longer lenses (70-200, 300, 500) mainly for sports, and a7riii for concerts (together with a99ii).

A-mount development however seems to have stopped completely. E-mount seems the way ahead for Sony. I therefore consider selling all a-mount stuff and switch completely to e-mount. 100-400 seems excellent as a replacement for my longer lenses, however I can't choose between two camera bodies: should I buy another A7riii (excellent resolution, sufficient AF speed for concerts, AF for sports seems ok, don't know about racing cars yet), or A9 (little less resolution, should have a little better lowlight performance, super fast autofocus)?

Trying to find a good comparison on the internet, specifically about using A9 for concerts, but couldn't find very much on that. Any thoughts? Anyone actually owns both and has experience in concert and sports photography?

Regards,

Chris
 



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pegelli View Drop Down
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Post Options Post Options   Quote pegelli Quote  Post ReplyReply Direct Link To This Post Posted: 12 April 2019 at 15:00
According to DXO mark the A7Riii is a better sensor in colour depth and dynamic range. The low light/high iso value is very similar.

I think where the A9 really shines is tracking AF (and some other AF gizmos) where it is much better than any A7 model, including the A7Riii that you have. But if the A7iii AF is good enough for you for concert photography I wonder how much better the A9 would be there.

The other big plus of the A9 vs. any other A7 camera is the significantly faster readout time of the sensor, and thereby significantly reducing the rolling shutter effects, especially when using the silent shutter mode. I don't know how important that would be for fast moving rockers on a stage (if that's the type of concert photography you do).

I don't own any of these cameras you mention (so take my word with a grain of salt), but I've seen/used them a few times to confirm these things I've read about the two cameras.

Good luck with your choice
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Post Options Post Options   Quote C_N_RED_AGAIN Quote  Post ReplyReply Direct Link To This Post Posted: 12 April 2019 at 15:50
The a9 is the best camera on the planet at the moment. Anything involving autofocus I would go with the a9.
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Post Options Post Options   Quote addy landzaat Quote  Post ReplyReply Direct Link To This Post Posted: 12 April 2019 at 16:12
Originally posted by C_N_RED_AGAIN C_N_RED_AGAIN wrote:

The a9 is the best camera on the planet at the moment. Anything involving autofocus I would go with the a9.
Well, you should explain this. It is not the best camera for everybody.
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Post Options Post Options   Quote C_N_RED_AGAIN Quote  Post ReplyReply Direct Link To This Post Posted: 12 April 2019 at 18:13
Ok. Best combination of autofocus and image quality out thier. Imo number one sports and wildlife cam by a good margin yet still retains image quality to be a good landscape shooter if so desired. Manual focus guys can enjoy the fun if they so desire although this would be an overkill as thier are many cheaper Sony models that you can use to enjoy legacy lenses from any manufacturer. Finally the a9 is the only cam that provides near native autofocus with other lens manufacturers like canon via adapter. So addy I think that about sums it up
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Post Options Post Options   Quote trainerKEN Quote  Post ReplyReply Direct Link To This Post Posted: 12 April 2019 at 18:25
I own both, I can concur the a9 would be the better option for concert photography.

this was taken with my a9 and the Samyang AF 35mm F1.4 (a 3rd party lens), I shot it wide open all night and the AF was excellent, a few times the AF was on the microphone but we are talking about a heavy metal band here, lots of movements.


Exmortus
by Ken Cheng Photography, on Flickr







Originally posted by addy landzaat addy landzaat wrote:

Originally posted by C_N_RED_AGAIN C_N_RED_AGAIN wrote:

The a9 is the best camera on the planet at the moment. Anything involving autofocus I would go with the a9.
Well, you should explain this. It is not the best camera for everybody.


well, for one thing, the a9 recalculates AF 60x/second vs the a7RIII's 20x/second




 



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trainerKEN View Drop Down
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Post Options Post Options   Quote trainerKEN Quote  Post ReplyReply Direct Link To This Post Posted: 12 April 2019 at 18:25
I mean, "concert photography" is kinda a broad term, there's big difference between shooting Metallica and Diana Krall
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ce-kooistra View Drop Down
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Post Options Post Options   Quote ce-kooistra Quote  Post ReplyReply Direct Link To This Post Posted: 12 April 2019 at 18:44
Originally posted by trainerKEN trainerKEN wrote:

I own both, I can concur the a9 would be the better option for concert photography.

this was taken with my a9 and the Samyang AF 35mm F1.4 (a 3rd party lens), I shot it wide open all night and the AF was excellent, a few times the AF was on the microphone but we are talking about a heavy metal band here, lots of movements.


Exmortus
by Ken Cheng Photography, on Flickr

well, for one thing, the a9 recalculates AF 60x/second vs the a7RIII's 20x/second



Thanks for the info Ken, can you tell me something about 24 vs 42 megapixels? Any noticeable quality difference? I really love the 42, and although 24 is still plenty, I wonder if there are clear differences. Same question for dynamic range, any big differences? DXO to me is just numbers, camera's still look very close.

Nice shot btw!
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Post Options Post Options   Quote trainerKEN Quote  Post ReplyReply Direct Link To This Post Posted: 12 April 2019 at 18:56
if 24MP is enough for you, then the a9 is definitely the better route for you. FOR ME however, there's been times when I used the a9 for birds, and after the cropping, I had maybe 4-5MP left
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Post Options Post Options   Quote Hezu Quote  Post ReplyReply Direct Link To This Post Posted: 12 April 2019 at 20:15
Originally posted by trainerKEN trainerKEN wrote:

if 24MP is enough for you, then the a9 is definitely the better route for you. FOR ME however, there's been times when I used the a9 for birds, and after the cropping, I had maybe 4-5MP left
Perhaps you should then get teleconverters, even FE 100-400 can be used with those - and if the zoom and teleconverter yields unacceptable apertures for low light conditions, there is always FE 2.8/400 GM prime...
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Post Options Post Options   Quote Stuart1701 Quote  Post ReplyReply Direct Link To This Post Posted: 12 April 2019 at 20:32
For sure the best tracking on Sony Cameras is the A9, especially with the new v5 firmware.

Unless your need to upgrade is urgent, it might make sense to wait a bit and see what the A7S3 brings. Sony added A9 style tracking on the budget A6400 so it seems reasonable that the A7S3 will probably have something similar and it is equally likely that the high ISO performance will be better than the current cameras.

If you wait and the A7S3 doesn't meet your needs, you can always buy an A9 or another A7R3 at that time. From all accounts the A7S3 will be anounced later this year, in around 5-6 months.



Edited by Stuart1701 - 12 April 2019 at 20:35
Stuart M.
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ce-kooistra View Drop Down
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Post Options Post Options   Quote ce-kooistra Quote  Post ReplyReply Direct Link To This Post Posted: 13 April 2019 at 07:22
Originally posted by trainerKEN trainerKEN wrote:

if 24MP is enough for you, then the a9 is definitely the better route for you. FOR ME however, there's been times when I used the a9 for birds, and after the cropping, I had maybe 4-5MP left


That seems to be the biggest question indeed. Will have a look through my lightroom catalog.
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ce-kooistra View Drop Down
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Post Options Post Options   Quote ce-kooistra Quote  Post ReplyReply Direct Link To This Post Posted: 13 April 2019 at 07:23
Anyone have experience on a7riii with (fast) sports liking racing? Can autofocus keep up when used with native e-mount lenses?


Edited by ce-kooistra - 13 April 2019 at 07:28
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ce-kooistra View Drop Down
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Post Options Post Options   Quote ce-kooistra Quote  Post ReplyReply Direct Link To This Post Posted: 13 April 2019 at 07:26
Originally posted by Stuart1701 Stuart1701 wrote:

For sure the best tracking on Sony Cameras is the A9, especially with the new v5 firmware.

Unless your need to upgrade is urgent, it might make sense to wait a bit and see what the A7S3 brings. Sony added A9 style tracking on the budget A6400 so it seems reasonable that the A7S3 will probably have something similar and it is equally likely that the high ISO performance will be better than the current cameras.



Thats an interesting suggestion, hadn't thought about that. I'm not in a hurry, however the question about mp's remains. A7s line usually doesn't have the biggest sensor. Rumours hint at 24mp as far as I'm aware.
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