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Archive 2021 · A1 Reviews/Video thread

  
 
GMPhotography
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p.12 #1 · A1 Reviews/Video thread


AGeoJO wrote:
Repeating what Mark Galer said, my motto before AND after all those reviews remains the same "Shut up and take my money"!


Why I have not been very involved here. I致e bought every model made to date. I知 not even remotely concerned about it not hitting the mark. I知 very adjustable out of the gate. I致e shot every brand cam for decades so it will just be a adjustment for me on controls and features. Frankly there is no way in hell I知 turning to Nikon or Canon so this is it.

So when I知 ready I will get one but until COVID is in check and I知 fully back 100 percent in business again than I知 going to wait it out. I have another business with my wife to sustain us plus plus and plus.



Feb 06, 2021 at 04:47 PM
knshshnk
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p.12 #2 · A1 Reviews/Video thread




found this one, pretty cool



Feb 06, 2021 at 04:47 PM
Holger
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p.12 #3 · A1 Reviews/Video thread


Photographing in strong snow blizzard

&fbclid=IwAR14ltDp0ikvqZnKWwkH7KYGioRoyGxvwccBHkU0F0f6TwKzOZCMTU3teWk

Previewing images during buffering
https://www.youtube.com/watch?fbclid=IwAR1wC-CDYf6ACVL7wYq6ZsFfCUH8XbBTiazKeMp2whEWpNMoiGulKBL5ifs&v=8z4kw9y87pc&feature=youtu.be



Feb 06, 2021 at 04:55 PM
osv2
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p.12 #4 · A1 Reviews/Video thread


JVJL wrote:
I saw this earlier and thought it was impressive thermals compared to the R5 (with firmware update removing artificial timer). I realize that Sony put more effort into heat spreading for the A1 but this doesn't matter too much when the body is a closed system covered with "insulating" wrap. The body is a very poor heatsink relying on convection, poor surface area, and high thermal resistance on most of the frame. The A1 just seems to be generating less heat compared to the R5. My best guess is that they are taking advantage of the dual processors to distribute
...Show more

a1 is a much better design, but it's also using more modern semiconductor processes, that are more efficient and therefore throw off less waste heat.

see the efficiency in the battery life, sony is doing it with a much higher resolution oled panel in the evf, that's going to use more power:

a1: 430/530
r5: 320/490





Feb 06, 2021 at 05:18 PM
JVJL
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p.12 #5 · A1 Reviews/Video thread


If he gets too cold he can shoot some 8K video for a nice hand warmer. Should get about 10 min of battery life in that ambient

Holger wrote:
Photographing in strong snow blizzard

&fbclid=IwAR14ltDp0ikvqZnKWwkH7KYGioRoyGxvwccBHkU0F0f6TwKzOZCMTU3teWk

Previewing images during buffering
https://www.youtube.com/watch?fbclid=IwAR1wC-CDYf6ACVL7wYq6ZsFfCUH8XbBTiazKeMp2whEWpNMoiGulKBL5ifs&v=8z4kw9y87pc&feature=youtu.be





Feb 06, 2021 at 05:22 PM
AGeoJO
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p.12 #6 · A1 Reviews/Video thread


GMPhotography wrote:
Why I have not been very involved here. I致e bought every model made to date. I知 not even remotely concerned about it not hitting the mark. I知 very adjustable out of the gate. I致e shot every brand cam for decades so it will just be a adjustment for me on controls and features. Frankly there is no way in hell I知 turning to Nikon or Canon so this is it.

So when I知 ready I will get one but until COVID is in check and I知 fully back 100 percent in business again than I知 going to wait it out.
...Show more

I fully understand your point, Guy and that would be the position I would take in your case. I couldn't wait for the pandemic to be over, as well. I hope for the best for you and stay healthy, which is now the most important factor!



Feb 06, 2021 at 05:35 PM
JVJL
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p.12 #7 · A1 Reviews/Video thread


It's probably a combination of a lot of things. I believe the Sony battery is 7% higher capacity than the Canon while the CODEC implementation also has a large impact. I'm not sure about which fab and node was used for the respective ISPs but these chips usually don't use cutting edge geometries. Also note that the process contribution to power reduction, at least from past 10 years, is significant less than advertised for a variety of reasons too technical to get into here. Clocking at lower voltage and improving CODEC efficiency are the biggest levers here.


osv2 wrote:
a1 is a much better design, but it's also using more modern semiconductor processes, that are more efficient and therefore throw off less waste heat.

see the efficiency in the battery life, sony is doing it with a much higher resolution oled panel in the evf, that's going to use more power:

a1: 430/530
r5: 320/490






Feb 06, 2021 at 05:43 PM
kaapu
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p.12 #8 · A1 Reviews/Video thread


Something that doesn't show up too much is that the grip of all Sony cameras is way too narrow for shooting with gloves. That's the only thing that bothers me a lot with Sony.

Yes, most of the people use these in a warm countries, but what do you guys think, should these cameras be bigger? Discussed a lot, but I really think I'm right. These cameras are too small for professional use ( even though I use them for that). If you really need it to be light just leave the grip out.



Feb 06, 2021 at 05:44 PM
arbitrage
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p.12 #9 · A1 Reviews/Video thread


AGeoJO wrote:
The best backup body is the exact same body as the main camera . Both can be setup to the exact same settings down to the minor setting. And I am not joking about it. You don't have to think what setting is where, it is just automatic. Especially now that the menu is different than all the previous Sony cameras, except for the A7s III but you are not considering that anyway. But I know it is going to be pricey . I will wait several months and I will look into that possibility.


---------------------------------------------

Howard Kearley wrote:
I like your thinking😊😊


...yeah, I realized a week ago that the only true combination is 2x A1....that is what prompted me to ask that very question awhile back.....

But considering I rarely use two bodies at the same time it is impossible (almost) to consider another $9K CAD for a backup body.



Feb 06, 2021 at 05:53 PM
arbitrage
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p.12 #10 · A1 Reviews/Video thread


kaapu wrote:
Something that doesn't show up too much is that the grip of all Sony cameras is way too narrow for shooting with gloves. That's the only thing that bothers me a lot with Sony.

Yes, most of the people use these in a warm countries, but what do you guys think, should these cameras be bigger? Discussed a lot, but I really think I'm right. These cameras are too small for professional use ( even though I use them for that). If you really need it to be light just leave the grip out.


My hands fit the Sony cameras really well as long as I am using the battery grip. Oddly my hand actually fit the gripped A9 better than the slightly larger gripped A9II. But my fingers are skinny, size M glove, so I don't rub against the lens as others do. I do shoot with gloves but not big gloves.

On the flip side, my R5 certainly has a bit bigger grip and more room between fingers and lens. But it is even harder to shoot with gloves because all the back buttons are so tiny and flush with the camera. So even though the Sony is tighter on the fingers, I can at least feel the AF-ON and AEL buttons through my gloves.

I still do think that Sony should have taken the chance with the A1 to make an integrated gripped camera like an EM1-X size or something. Or if they really didn't want an integrated grip then just a bigger body and a bigger battery grip would have made a lot of people happy. But I'm sure we would have heard all sorts of complaints if they'd done that also. Can never win!!



Feb 06, 2021 at 05:58 PM
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p.12 #11 · A1 Reviews/Video thread


I spent a bit of time trying to analyze the file size and write speed data in the DPReview video linked on page 10 of this thread.

First, the ratio of file/sec clearing the buffer appear to be exactly the ratio of the speed specs for the cards. I did a bunch of start/stops on the video as the buffer was emptying. It started with 62 files for the CPE and 70 files for the V90. At the end it was 1 for the CFE and 44 for the V90. That is a ratio of 61/26=2.34. The ratio of the rated speed of the cards is 700/299=2.34. An exact match, which supports the idea the camera is running both cards at near their max speed. Excellent! I have been using 620MB/sec and 260MB/sec which is a ratio of 2.38, which may still be right since the measurement only has a precision of +-1 frame. That provides a reliable ratio for the time it takes to clear the buffer regardless of the file type used. That time is in the range of 6-8 seconds for the CFE and 14-18 seconds for the UHS-II V90 cards.

I am having a lot more trouble making sense of the other data. In particular they report for 30fps, compressed RAW, 161 frames for the CFE and 150 for the UHS-II V90. 161 is close to the Sony spec of 155, so that is probably OK, but the 150 for the V90 is very difficult to get with any reasonable model parameters. It looks way too high. I expect something closer to 110, which is still pretty good.

I will post a more extensive discussion of the analysis in this thread when I get some time.

Dave



Feb 06, 2021 at 06:10 PM
Holger
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p.12 #12 · A1 Reviews/Video thread


kaapu wrote:
Something that doesn't show up too much is that the grip of all Sony cameras is way too narrow for shooting with gloves. That's the only thing that bothers me a lot with Sony.

Yes, most of the people use these in a warm countries, but what do you guys think, should these cameras be bigger? Discussed a lot, but I really think I'm right. These cameras are too small for professional use ( even though I use them for that). If you really need it to be light just leave the grip out.


"These cameras are too small for professional use"
Disagree. Perfectly fine for pro use.
I use them with RRS-Bracket or battery grip and esp. with the grip it is very comfortable to use. I have no problem with gloves, too, when using the grip. With the grip my hand position is different and there is a lot more room between fingers and lens.



Feb 06, 2021 at 06:20 PM
webmstrk9
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p.12 #13 · A1 Reviews/Video thread


In regards to size, I think Sony did the right thing with the A1, in that, the market they're targeting are the latest gen body owners, a9ii, a7r4, and a7siii, these owners don't need to buy a new gen battery grip. They/we can use our existing grips, you can say that the A1 is a complimentary camera to the others in that respect


Feb 06, 2021 at 06:25 PM
osv2
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p.12 #14 · A1 Reviews/Video thread


agree that it's a combination of things, but ignoring the importance of four years worth of sony sensor improvements is not realistic... canon is primitive by comparison, they can't even make a bsi sensor, so there might be a claim with that.

cmos sensor process info histories here, they don't scale like computer cpu chips: https://semiengineering.com/scaling-cmos-image-sensors/

you should realize that clocking at lower voltage is often a direct result of hardware improvements.

the jpg/raw codecs for stills are not relevant to cipa battery life comparisons, which is what's discussed here, because they are the same on both platforms, but it could matter wrt video encoding... but then video encoding also relies heavily on encoder firmware design, it's not just the hardware.

even if the sony battery is 7% larger, there is a much bigger disparity in oled screen resolutions and therefore power consumption.

a1: 9.44M-dot 430/530 battery life
r5: 5.76M-dot 320/490 battery life


what sony has done with the a1 is amazing, it's a far bigger accomplishment than anything that canon has come up with.

JVJL wrote:
It's probably a combination of a lot of things. I believe the Sony battery is 7% higher capacity than the Canon while the CODEC implementation also has a large impact. I'm not sure about which fab and node was used for the respective ISPs but these chips usually don't use cutting edge geometries. Also note that the process contribution to power reduction, at least from past 10 years, is significant less than advertised for a variety of reasons too technical to get into here. Clocking at lower voltage and improving CODEC efficiency are the biggest levers here.






Edited on Feb 06, 2021 at 06:57 PM · View previous versions



Feb 06, 2021 at 06:47 PM
arbitrage
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p.12 #15 · A1 Reviews/Video thread


For those wanting to see more of the ES with flash at work:




Feb 06, 2021 at 06:50 PM
kaapu
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p.12 #16 · A1 Reviews/Video thread


Holger wrote:
Disagree. Perfectly fine for pro use.
I use them with RRS-Bracket or battery grip and esp. with the grip it is very comfortable to use. I have no problem with gloves, too, when using the grip. With the grip my hand position is different and there is a lot more room between fingers and lens.




Here's my complain of the size explained.

Glove size M. With the liner it's pretty snug already. It actually gives a pretty good support.
But when the temperature goes down you need to use proper gloves and then we have these serious problems. As I said earlier, Sony is made for a warm conditions.

Sony A7R4 + 50mm f1.4 + grip



Feb 06, 2021 at 07:29 PM
buffalowolff
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p.12 #17 · A1 Reviews/Video thread


I've taken to keeping a zippo pocket hand warmer in my pocket and warming my shooting hand. I can do that till about 20f then I have thin gloves that cut the chill/wind. I back button focus so anything thicker than that wouldn't work for me anyway regardless of body size




kaapu wrote:
Here's my complain of the size explained.

Glove size M. With the liner it's pretty snug already. It actually gives a pretty good support.
But when the temperature goes down you need to use proper gloves and then we have these serious problems. As I said earlier, Sony is made for a warm conditions.

Sony A7R4 + 50mm f1.4 + grip
https://i.ibb.co/TwJnh2d/Sony.jpg




Feb 06, 2021 at 07:39 PM
1bwana1
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p.12 #18 · A1 Reviews/Video thread


If I have to wear anything as thick as that Mitten, I'm not going outside no matter what anyway.


Feb 06, 2021 at 07:43 PM
kaapu
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p.12 #19 · A1 Reviews/Video thread


buffalowolff wrote:
I can do that till about 20f then I have thin gloves that cut the chill/wind.


20ーF is fine, but when it gets -20+ーF and you still have to shoot.
Let's just admit that this Sony's design isn't made for a colder conditions.


Edited on Feb 06, 2021 at 08:09 PM · View previous versions



Feb 06, 2021 at 08:07 PM
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p.12 #20 · A1 Reviews/Video thread




kaapu wrote:
Here's my complain of the size explained.

Glove size M. With the liner it's pretty snug already. It actually gives a pretty good support.
But when the temperature goes down you need to use proper gloves and then we have these serious problems. As I said earlier, Sony is made for a warm conditions.

Sony A7R4 + 50mm f1.4 + grip
https://i.ibb.co/TwJnh2d/Sony.jpg


Are you supposed to poke the shutter button with a stick while wearing that thick mitten?



Feb 06, 2021 at 08:08 PM
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