abe4652
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A7iii vs. A7riii - Anything the A7iii does better?
- Thread starter abe4652
- Start date
A7R3 advantages
- 42MP, more resolution detail, would result in larger files which will in turn clear buffer slower and not able to buffer as many photos.
- Better LCD, EVF Resolution
- Crop mode in A7R3 18mp vs 10 on A73
- Pixel shift mode
A73 advantages
- $1000 less
- Better low light, ISO esp Video
- 74% more Phase AF points
- 37% more AF Point Coverage ( R3s coverage still covers rule of 3rds.)
- Better battery life.
- Better Video no pixel binning in FF video with 6k to 4k over sampling.
- Can use Lenses in both FF and Crop in Video with no loss in resolution. In R3 best video is in Crop.
Many would choose A73 if they only shoot Video even if they were the same price.
Many would choose A7R3 even if it was double the price of the A73
- More Video A73
- More Photos
LCD and EVF, 42 MP Stills > $1000. A7R3
- More Photos
LCD and EVF, 42 MP Stills < $1000. A73
- 42MP, more resolution detail, would result in larger files which will in turn clear buffer slower and not able to buffer as many photos.
- Better LCD, EVF Resolution
- Crop mode in A7R3 18mp vs 10 on A73
- Pixel shift mode
A73 advantages
- $1000 less
- Better low light, ISO esp Video
- 74% more Phase AF points
- 37% more AF Point Coverage ( R3s coverage still covers rule of 3rds.)
- Better battery life.
- Better Video no pixel binning in FF video with 6k to 4k over sampling.
- Can use Lenses in both FF and Crop in Video with no loss in resolution. In R3 best video is in Crop.
Many would choose A73 if they only shoot Video even if they were the same price.
Many would choose A7R3 even if it was double the price of the A73
- More Video A73
- More Photos
LCD and EVF, 42 MP Stills > $1000. A7R3
- More Photos
LCD and EVF, 42 MP Stills < $1000. A73
abe4652
Senior Member
Thanks.
I had the a7iii. But I sold it at a profit and switched to the a7riii. A7iii has more focus coverage. It has slightly better focusing indoors but not enough to notice. It feels a bit faster when pushing the shutter after focusing. The a7riii is almost as fast as the a7iii and the difference is not very noticeable. What is noticeable is that the image quality from the a7riii is better in my opinion. Having switched to the a7iii from the a7rii I missed that amazing look.
Jb502
Leading Member
A7riii does not crop during any video modes. The a7iii actually has a crop of 1.2 in 4k 30p video.
A Wingnut
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My biggest and ONLY complaint about my A7RIII is the lighting issue. When I upgraded from the a6000, I Noticed an increase in light, however, I also see now the low light performance is not quite as good as I would have expected either. The photos are insanely sharp, detailed, colors look good, for my specific needs, and the features seem endless (Almost overwhelming). The noise seems to start a little earlier than the A7III with ISO as well, which is weird, considering they are both made by Sony and the r is a full frame sensor. :/
If you have no need for a good silent shutter or heavy cropping, trust me, the A7III is the better deal. I can’t live without my ability to crop coupled with peaking, as well as doing wildlife and butterflies/dragonflies, which require some additional reach, because I am handicapped (Completely blind in one eye, severely bad vision in my other eye), so the extra money was well worth it.
Lastly, what is it that you are trying to do? The a7RIII currently has one of the best video capabilities atm too, which could be another major one for you, but the A7III is still a strong contender.
Honestly, the A7III is a pretty amazing camera. Relatively speaking, it sometimes feels like it might be a “better deal” for most photographers.
If you have no need for a good silent shutter or heavy cropping, trust me, the A7III is the better deal. I can’t live without my ability to crop coupled with peaking, as well as doing wildlife and butterflies/dragonflies, which require some additional reach, because I am handicapped (Completely blind in one eye, severely bad vision in my other eye), so the extra money was well worth it.
Lastly, what is it that you are trying to do? The a7RIII currently has one of the best video capabilities atm too, which could be another major one for you, but the A7III is still a strong contender.
Honestly, the A7III is a pretty amazing camera. Relatively speaking, it sometimes feels like it might be a “better deal” for most photographers.
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A7RIII does pixel binning rather than over-sampling in the normal video mode, so if you want to avoid that, you need to shoot in the Super 35 mode, which crops from 5K and with a proper downsample. The A7III does a downsample from 6K with no pixel binning.
True on the UHD/29.97 mode of the A7III, and important to know about. I shoot UHD at 23.976.
tonyreidsma
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Anything the A7iii does better?
Saves you money.
The A7 III is a crazy value.
Saves you money.
The A7 III is a crazy value.
Jb502
Leading Member
This is all true. Just wanted to clarify, that the a7riii does not have a crop during video. Pixel binning is not the same as cropping.
sportyaccordy
Forum Pro
A7III has better FF 4K video
Entropy512
Veteran Member
While it is true that it doesn't crop, it DOES pixel-skip in ALL full-width modes which has a significant negative impact on quality, especially at higher ISOs.
Also, it doesn't crop in APS-C mode because its width is only around 5k in that mode, so it can do full sampling of the APS-C sensor area at 30 fps, while A6300/A6500 do need to crop down to about 5k width.
General rule of thumb - for all Sony A6xxx, A7x, and A9 cameras released in the past 3 years, the BIONZ has a demosaicer/scaler engine limit of 500 MPixels/sec (even if individual frame readout is higher, multiframe throughput hasn't been seen to be higher on any of these bodies). 42MP combined with this bottleneck results in sacrifices not seen from a 24MP sensor.
Arizona Sunset
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The deciding factors for the A7 III for me were:
- Broader AF coverage (I use this for kids)
- Top tier 4k (70% video shooter)
- Price
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I am more of a still shooter, so the A7RIII would probably be best for me. But I was changing from Canon, unsure how much I would like the Sony, and the extra $1200, combined with the inferior video, made me get the A7III. But, I am trying to do more video with my lenses that can give shallow depth of field, as opposed to iPhone video. So the more limited 4K video of the R was a bit of a deal killer for me. But I would live with it and get the R if they were the same price and just use it in Super-35 mode. I just think a more expensive camera should be better in every way and not have the tradeoffs. As for missing the 42 MP - yeah - it would be nice to have it and not thinking so is a rationalization. If I wanted smaller files I could use raw compressed. I may have to buy the next generation.
I should have said "A7RIII has crop factor in UHD video, unless you use the mode that skips pixels and has image artifacts."
Jb502
Leading Member
No, it DOES NOT, have a crop factor. The a7iii has a 1.2x crop factor at 4k 30p. The a7riii does not have any crop factor in any video modes.
The R has about a 1.5x crop-factor in Super-35 UHD video mode, which is the highest-quality UHD mode that it can do (and the one that Sony does their demo videos with):
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joger
Veteran Member
that triggers probably most potential buyers ;-)
The good thing is Sony gives you choices!!!
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I own both and they optimizations are a little different which obviously set a bias one way or the other depending on what you shoot and how you use your camera. I primarily use my A7iii for video but was disappointed with the 1.2x crop for 30p. Also like its dynamic range and AF system.
For the A7Riii the better EVF and higher quality rear LCD display that comes along the 42 MP make it the better stills camera for me.
As a two body combination they are great and almost go no where without both in my bag.
I think most will save the extra money and buy the A7iii but I came from an A7Rii and its higher megapixels was why I originally bought into Sony to use along side my Canons so I wasn't going to give that up. I still have most of my Canon gear but will probably give that up now because the 5D Mark IV, while very nice, no longer offers any advantage to me beyond my Sony's now that Godox has enabled equivalent flash photography on Sony.
Steve W
For the A7Riii the better EVF and higher quality rear LCD display that comes along the 42 MP make it the better stills camera for me.
As a two body combination they are great and almost go no where without both in my bag.
I think most will save the extra money and buy the A7iii but I came from an A7Rii and its higher megapixels was why I originally bought into Sony to use along side my Canons so I wasn't going to give that up. I still have most of my Canon gear but will probably give that up now because the 5D Mark IV, while very nice, no longer offers any advantage to me beyond my Sony's now that Godox has enabled equivalent flash photography on Sony.
Steve W
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