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A7iv vs A7riv vs A9

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Andy81 View Drop Down
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Post Options Post Options   Quote Andy81 Quote  Post ReplyReply Direct Link To This Post Topic: A7iv vs A7riv vs A9
    Posted: 12 March 2022 at 07:39
Iíve had an A7rii for about 2.5 years now, and generally been pretty happy with it. I love the IQ Iíve been getting, primarily shooting landscapes, portraits (location and studio) and family/kids.

Recently Iíve been getting more frustrated with the AF limitations, as well as PDAF limitations beyond f8. Now my son is 3, heís moving a lot faster and is pushing the AF tracking, I also found recently during a few studio sessions that the AF struggled in the low light, and even missed eye AF a few times.

Itís got me thinking whether itís time to upgrade. A few years ago I did mainly landscape work, but now portraits and kids take more of my time, and as my son grows I can see the AF capability being more important, particularly once he starts playing sports.

Iím thinking of one of the A9, A7iv or A7riv to replace it. Iíve done a bit of research online, and like the A9, but wondering whether Iíd miss the IQ of the A7rii. Having said that, whilst Iíve got a new MacBook Pro, Iím not sure whether I really want 61mp files.

Any suggestions?
 



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Hobgoblin View Drop Down
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Post Options Post Options   Quote Hobgoblin Quote  Post ReplyReply Direct Link To This Post Posted: 12 March 2022 at 08:08

So what about an A7Riii? its supposed to have much improved AF over A7rii with better low light performance and tracking capabilities as well. You get to keep the IQ of the A7rii and don't increase file size.
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Post Options Post Options   Quote Andy81 Quote  Post ReplyReply Direct Link To This Post Posted: 12 March 2022 at 08:23
I looked at the a7riii briefly, but from what I understand the I would still get the same PDAF limitation beyond f8, which Iíd prefer to avoid.
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Post Options Post Options   Quote Jozioau Quote  Post ReplyReply Direct Link To This Post Posted: 12 March 2022 at 08:43
As a relatively new owner of an a7iv I can highly recommend this camera.
See this thread Sony a7iv in the Camera Talk E-mount full frame section of this forum.
It isn't the absolute beast that the a1 is, nor as blazingly fast as the a9, but has many of both their AF algorithms and capabilities at a very much more affordable price point.


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Post Options Post Options   Quote Hobgoblin Quote  Post ReplyReply Direct Link To This Post Posted: 12 March 2022 at 08:57
Originally posted by Andy81 Andy81 wrote:

I looked at the a7riii briefly, but from what I understand the I would still get the same PDAF limitation beyond f8, which Iíd prefer to avoid.


This comparison may be of interest.

https://mirrorlesscomparison.com/sony-vs-sony/a7rii-vs-a7riii/




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Post Options Post Options   Quote SnowFella Quote  Post ReplyReply Direct Link To This Post Posted: 12 March 2022 at 08:58
Can't say much for the various cameras as the only E-mount gear I've ever owned is my A7RIVa, though I guess the A99ii shares sensor with the Rii and possible Riii.
Got no complaint at all for AF with the RIV and handling the 61Mp files using a near 5 year old i7 laptop isn't all too much of a hassle. I use C One 21 and yes, importing RAW files can take a bit of time and even after imported it takes a few seconds to go from a zoomed out view to 1:1 to check sharpness.

harddrives for storage will hate you though unless you cull hard!
 



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Post Options Post Options   Quote QuietOC Quote  Post ReplyReply Direct Link To This Post Posted: 12 March 2022 at 10:55
The A7RIV supports phase detect down to f/11. I am not sure about the A9 or A7IV. The A9 suppprts AF-C down to f/16 and the A7IV supports AF-C down to f/22.

Edited by QuietOC - 12 March 2022 at 10:59
Sony A7RIV NEX-5T HVL-F45RM LA-EA5 Metabones-IV Sigma MC-11 Yongnuo EF-E II TLT ROKR MD-NEX KR-NEX DA-NEX
Minolta Maxxum 600si
Pentax Q7 5-15 15-45/2.8 8.5/1.9 11.5/9 AF-P/Q
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Post Options Post Options   Quote Maffe Quote  Post ReplyReply Direct Link To This Post Posted: 12 March 2022 at 12:58
Think you need to ask your self if you need to crop a lot.
I have changed my main cameras from a7rii and rx1rii to the a7c, 42 mp down to 24 mp.
I do miss out on the cropping power when shooting street with wa lenses. What I gained is size, battery life (the battery in the rx1 is a joke!) and mainly much, much better AF.
Image quality don't depend on mp
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Post Options Post Options   Quote Andy81 Quote  Post ReplyReply Direct Link To This Post Posted: 12 March 2022 at 13:04
I tend not to crop a huge amount, in general any cropping I do (with a few exceptions) is mainly to change aspect ratio, for example into a 4:3 aspect ratio for prints. For print competitions I'll generally print at 16"x12" maximum, so the 24mp sensor would give me ample room to crop to the right ratio and then print at 300dpi.

I think I've discarded the idea of the a7riv now, I tend to pixel peep less than I used to anyway!

That leaves a straight choice between the a7iv and a9. The a9 is a little cheaper used, and has the advantage when it comes to no blackout bursts, speed of AF and no rolling shutter distortion for silent bursts. On the other hand, the a7iv pushes me towards the a7rii resolution, and is probably a more rounded camera. I don't do video at all, so that's not an issue.
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Post Options Post Options   Quote Jozioau Quote  Post ReplyReply Direct Link To This Post Posted: 12 March 2022 at 13:33
Don't know if this is a factor for you as it was for me, but the a7iv is fully functional using the LA-EA5 adaptor with any and all a-mount lenses be they SSM or screw drive focus.
That's not so with the a9.
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Post Options Post Options   Quote Maffe Quote  Post ReplyReply Direct Link To This Post Posted: 12 March 2022 at 14:11
Originally posted by Jozioau Jozioau wrote:

Don't know if this is a factor for you as it was for me, but the a7iv is fully functional using the LA-EA5 adaptor with any and all a-mount lenses be they SSM or screw drive focus.
That's not so with the a9.


That i do miss on the a7c.
Another thing, the screenÖ I really dislike the fully articulating screen on the a7c, I canít understand how anyone think thatís a good solution to double the footprint and look on the side of the camera instead of the line of sight!
Sony had an excellent solution on the a77 and a99 why not se that?
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Post Options Post Options   Quote addy landzaat Quote  Post ReplyReply Direct Link To This Post Posted: 12 March 2022 at 14:14
Originally posted by QuietOC QuietOC wrote:

The A7RIV supports phase detect down to f/11. I am not sure about the A9 or A7IV. The A9 suppprts AF-C down to f/16 and the A7IV supports AF-C down to f/22.
Aha, good to know that I can go down to f/11 on my A7r4 - I did not know that.

re. question: I think the A7iv is probably the best choice. 33mp is not that much smaller then 42mp. AF is better then the A7r4 and the A9 is basically a niche camera - you 3-year old is an Olympic athlete?

I like the IQ of my A7r4, but I do not need 61mp. I doubt you do. Storage is cheap, to me it was not be a deciding factor.I choose it over the A7r3 because of the (much) better AF system and it was the newest back then.
The 24mp of the A9 could be limiting when you're used 42mp.

So, I think the A7iv is a Goldilocks and the one I would buy if I was buying right now.

Just my Ä0,02
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Post Options Post Options   Quote addy landzaat Quote  Post ReplyReply Direct Link To This Post Posted: 12 March 2022 at 14:16
Originally posted by Maffe Maffe wrote:

Originally posted by Jozioau Jozioau wrote:

Don't know if this is a factor for you as it was for me, but the a7iv is fully functional using the LA-EA5 adaptor with any and all a-mount lenses be they SSM or screw drive focus.
That's not so with the a9.


That i do miss on the a7c.
Another thing, the screenÖ I really dislike the fully articulating screen on the a7c, I canít understand how anyone think thatís a good solution to double the footprint and look on the side of the camera instead of the line of sight!
Sony had an excellent solution on the a77 and a99 why not se that?
That is also what I dislike on my Canon R and G1x. You get used to it, but still, it is suboptimal.

Edited by addy landzaat - 12 March 2022 at 15:09
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Post Options Post Options   Quote 2manycamera Quote  Post ReplyReply Direct Link To This Post Posted: 12 March 2022 at 15:11
Originally posted by Andy81 Andy81 wrote:

Iíve had an A7rii for about 2.5 years now, and generally been pretty happy with it. I love the IQ Iíve been getting, primarily shooting landscapes, portraits (location and studio) and family/kids.

Recently Iíve been getting more frustrated with the AF limitations, as well as PDAF limitations beyond f8. Now my son is 3, heís moving a lot faster and is pushing the AF tracking, I also found recently during a few studio sessions that the AF struggled in the low light, and even missed eye AF a few times.

Itís got me thinking whether itís time to upgrade. A few years ago I did mainly landscape work, but now portraits and kids take more of my time, and as my son grows I can see the AF capability being more important, particularly once he starts playing sports.

Iím thinking of one of the A9, A7iv or A7riv to replace it. Iíve done a bit of research online, and like the A9, but wondering whether Iíd miss the IQ of the A7rii. Having said that, whilst Iíve got a new MacBook Pro, Iím not sure whether I really want 61mp files.

Any suggestions?


I'm in a similar position, having the a7Rii for about 2+ years. For landscapes, portraits it's marvelous. For anything involving movement (actors, horses and birds) I've been using the a6600 with it's fantastic tracking AF. I've already made the decision to get the a7IV, just putting together the finances to do so.

Why the a7IV over all the others mentioned?

Start with 33MP and lossless compression in FF, which is 14MP in aps-c mode (I have the Sigma 1.4 trio and 7.5/2.0 TTArtisan fisheye). 42MP is just more than I need on a day-to-day basis, but a jump to 33MP makes sense to me.

Adding bird-eye focus to the excellent Human and animal eye-focus.

Full compatibility using the LA-EA5 with my many (way too many) screw drive Minolta & Sony lenses.

The FZ100 battery is much better than the 50's on the a7Rii, but is common now on your other choices. I may even pass on getting the vertical grip, something I have on most every other camera.

The a9 would have been better for me previously, but my equestrian shooting has faded to only occasional, so the speed of the a7IV is all I need anymore.

I don't do much video, but plan on doing more. This seems the best platform currently available for my needs. Hardly the deciding factor, but it is a plus. However when I do choose video, the switch for stills, video and S&Q is a great addition. Keeping the functions separate makes considerable sense.

The only drawback is the swing out screen... I do like that I can close the screen for protection, and that I can use the swing for better portrait orientation shots (trying REALLY hard to find what's good about it). But having the LCD off to the side will be a struggle to get used to, really prefer the a77-99 multi-angle screen, not to mention the really nice version on the Panasonic GH6. Truth be told, I still use the EVF for the vast majority of my shots, so I'm hoping getting used to the new screen won't be a hard as I imagine. Wait and see....

That's the single drawback compared to numerous advantages for my decision on the a7IV as my, very soon, next camera. Hope that helps.

Edited by 2manycamera - 12 March 2022 at 16:01
7D a68 a99 a6600 a7Rii 16/2.8 24/2.8 28/2 35/2 50/1.4 100/2 200/2.8 24-70CZ 1.8/135 80-200/2.8 24-105 28-135 300/4 16-50DT 70-300G Tam 90/2.8, E55-210 E2/12 Sig E1.4/16,30 & 56, FE15/4.5V
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