new boyz

Joined on Apr 18, 2013

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On article Sony a9 shooting experience (1045 comments in total)

These are things possible to accomplish by merging AF sensor + Metering Sensor + Image Sensor into one sensor. Another reason why mirrorless is the future.

Link | Posted on Apr 28, 2017 at 02:52 UTC as 15th comment
On article Sony a9 shooting experience (1045 comments in total)
In reply to:

Niko Tod: "continuous electronic modes (anything above 5 fps) do drop the camera into 12-bit readout, so expect less dynamic range than in Single drive mode."

And that would be $4500, ma'am...

Actually I don't think 14 or 12 bit is relevant in DR measurement. When we say wide DR, we mean large max - min value, not how many gradient steps we can fit in between min-max... no??

Link | Posted on Apr 28, 2017 at 02:40 UTC
On article Alpha-better: Sony a9 versus a7R II (484 comments in total)
In reply to:

le_alain: No comparaison of
- DR at low Iso
- Tonal range at low Iso
- Banding os the electronic chutters in non tungsten artificial light (Fluorescent, Led ...)
if you have to use the mecanical shuter you slow down to the prehistoric 5fps as they wrote, And the EVF to act as low motion picture with the mecanical chutter as on A7 series?

- High ISO downsample to 24 MPx

Downsample to 24mp? Isn't that the native resolution?

Link | Posted on Apr 27, 2017 at 07:26 UTC
In reply to:

Joe Niepce: Good for Canon.
Recently I read Sony went from 14% of the I.L.C. segment about 5 or so years ago to about 11%. And Canon retained their dominance.
Canon even sold more mirrorless camera in Japan than Sony IIRC.

Canon is going to remain the big dog whether we gear heads like it or not.

That's both a blessing and a curse for Canon users, and consumers in general. It's good to root for the strongest company around, but being a dominant can/will make them lazy to innovate. I mean, they are doing R & D of course, but not in hurry to release new tech to consumers.

Link | Posted on Apr 27, 2017 at 02:52 UTC
In reply to:

PhotoKhan: Tsk, tsk, tsk...hasn't the market heard how Canon mirrorless suck?
I mean, they do, don't they?...It's all over the net...
...or could it be that they don't?...no, wait...I am confused...

M5 is great for its class. What people asked (minority but still) is fullframe mirrorless from Canon...

Link | Posted on Apr 27, 2017 at 02:33 UTC
In reply to:

minzaw: Why change why switch ???DPR article ?? Sony was/is an primarily audio company venturing all popular fields......such as computers/cameras/phones/minidisc/games bought Minolta for DSLR tech....

So does Canon. Also camera, especially sensor, are made of electronics now. That's what the "D" in DSLR stands for.

Link | Posted on Apr 26, 2017 at 09:40 UTC
In reply to:

falconeyes: Most underrated fact is on sheet #4:
> memory for buffering immediately behind each pixel

If true, this is a true revolution which cannot be overrated!

It was expected by some but it wasn't clear if the technology is here already.

Sony says it is 20x faster than conventional readout. A conventional readout is approx. 1/10s, so this could be as fast as 1/200s. Unfortunately, it isn't that fast exactly (yet), because the official broschure contains a disclaimer for the electronic shutter: "may produce distortion in some sitiuations, consult support pages" (which don't exist yet). Also, it does still feature a mechanical shutter to be used with flash. Therefore, a good guess could be a figure around 1/100s.

Not a global electronic shutter yet, but coming a lot closer.

But the real revolution is this: a pixel buffer on sensor allows (in theory) for simulated ISO values far below ISO 100 (for exposure times Nx the shutter speed, here like 1/25s for 4x). And correspondingly large DR.

Thanks Falconeyes... So the buffer unit is in the sensor itself? Getting signal directly from pixels?? I thought they were separate units ( pixels > array > buffer ) but now it is more like ( pixels > buffer > array ). That looks a lot like a global shutter actually.

Link | Posted on Apr 20, 2017 at 05:32 UTC
In reply to:

kingslayer: overpriced

It is expensive, but not overpriced. OEM lens cap is cheap, but overpriced.

Link | Posted on Apr 20, 2017 at 05:19 UTC
In reply to:

ekaton: Impressive. Imagine it had a red dot, the price would be 14k.

You mean Leica? For specs like this, 20k minimum.

Link | Posted on Apr 20, 2017 at 05:17 UTC
On article The Sony a9 is a 24MP sports-shooting powerhouse (1878 comments in total)
In reply to:

Internet Enzyme: Sony is truly gunning for the 2016 olympics

Hahaha.. that time machine is kinda game changer isn't it? :)

Link | Posted on Apr 20, 2017 at 01:44 UTC
On article The Sony a9 is a 24MP sports-shooting powerhouse (1878 comments in total)
In reply to:

beavertown: In two years' time or so, when Sigma announce a new lens... it will be first available for Canon and Sony mounts, then Nikon and Fuji.

Hahahaha... This is kinda of sad, actually.

Link | Posted on Apr 20, 2017 at 01:40 UTC
In reply to:

falconeyes: Most underrated fact is on sheet #4:
> memory for buffering immediately behind each pixel

If true, this is a true revolution which cannot be overrated!

It was expected by some but it wasn't clear if the technology is here already.

Sony says it is 20x faster than conventional readout. A conventional readout is approx. 1/10s, so this could be as fast as 1/200s. Unfortunately, it isn't that fast exactly (yet), because the official broschure contains a disclaimer for the electronic shutter: "may produce distortion in some sitiuations, consult support pages" (which don't exist yet). Also, it does still feature a mechanical shutter to be used with flash. Therefore, a good guess could be a figure around 1/100s.

Not a global electronic shutter yet, but coming a lot closer.

But the real revolution is this: a pixel buffer on sensor allows (in theory) for simulated ISO values far below ISO 100 (for exposure times Nx the shutter speed, here like 1/25s for 4x). And correspondingly large DR.

If I understand it correctly, readout method is still the same old pixel-by-pixel. Just faster. A lot faster. Since it's not a "true" global shutter yet, distortion is to be expected in the right condition, regardless of the readout speed.

Link | Posted on Apr 20, 2017 at 01:11 UTC
In reply to:

BostonC: If Sony adds in-pixel memory, they could have just implemented global shutter, not just faster read-out. What am I missing?

It's more like in-sensor memory. Still has to read pixel by pixel, but faster since the memory is right behind the sensor.

Link | Posted on Apr 20, 2017 at 01:01 UTC
In reply to:

StevenE: This bodes well for the A7S3 .... global shutter, amazing AF ?

It's not a true global shutter yet. But I think it's close enough. Probably works better with fewer pixels.

Link | Posted on Apr 20, 2017 at 00:54 UTC
On article The Sony a9 is a 24MP sports-shooting powerhouse (1878 comments in total)
In reply to:

Raziel Orlando: Trolling aside, this is the first Sony camera that have the potentional to surprass DSLR's, the long awaited "nail in the DSLR coffin".

Mirrorless is the future. Just look how this camera leapfroged Canon and Nikon FLAGSHIPS in fps arena! Maybe the 1DX Mark V will shoot at 20 fps...

"Maybe the 1DX Mark V will shoot at 20 fps..."

Well I think it will.. in mirrorless(MLU) mode..

Link | Posted on Apr 19, 2017 at 17:43 UTC
On article The Sony a9 is a 24MP sports-shooting powerhouse (1878 comments in total)
In reply to:

Sdaniella: Sony A9 FF (35.6 x 23.8 mm)
6000x4000=24mp (5.94um pixels?)

but total 28mp fits within 35.6 x 23.8 mm sensor?
6480x4320=28mp (5.50um pixels?)

is this a 1.08x cropped FF 24mp sensor?

Sensor pixels are not gapless.

Link | Posted on Apr 19, 2017 at 17:40 UTC
On article The Sony a9 is a 24MP sports-shooting powerhouse (1878 comments in total)

It's trending!!! (500 comments in 2 hours or so)

Link | Posted on Apr 19, 2017 at 17:37 UTC as 252nd comment
On article The Sony a9 is a 24MP sports-shooting powerhouse (1878 comments in total)
In reply to:

Franz Weber: Still the same old 4:3 aspect 3 inch LCD? Even the GH5 or D7500 has a 3.2 inch LCD!

Too soon leonche64.

Link | Posted on Apr 19, 2017 at 16:21 UTC
On article The Sony a9 is a 24MP sports-shooting powerhouse (1878 comments in total)
In reply to:

Mssimo: Seems like it has no mechanical shutter at all. Did I miss something ?

I think it has, saw it here right now.

Link | Posted on Apr 19, 2017 at 16:20 UTC
On article The Sony a9 is a 24MP sports-shooting powerhouse (1878 comments in total)
In reply to:

mpgxsvcd: That sounds like a fantastic camera that I could never afford.

Like many other cameras before A9.

Link | Posted on Apr 19, 2017 at 16:15 UTC
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