Canon Talks 250mp APS-H Image Sensor at ISSCC

rs said:
RobPan said:
Hm, if there would be a FF sensor with 250 MP, wchich lenses would they want to use? Sony GM? Older lenses all have insufficient resolution for that many mexapixels.

Yes, that's right. Sony GM lenses are the only lenses capable of resolving fine detail. Canon have poor performers such as the 100-400 II and 300/2.8 II which are sorely in need of replacement.

+1

We all know from the extensive testing of the Sony GM lenses that they are superior. And yes, as soon as those lenses are introduced I will be looking for a used and unloved 300 f2.8.
 
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kaihp said:
Technically, that's a per-column amp, but it is switched between 1x and 4x amplification on a per-pixel basis.

I presume that "PGA" means Pixel Gain Amplifier, but googling didn't provide anything conclusive. It's definitely not "pin grid array" as I'm used to.

SS-ADC means Single Slope-A/D Conversion. It is 'slow', requiring 2N steps for converting an N-bit number.

PGA stands for Programmable Gain Amplifier. It's a standard component used in electronics, in fact many standalone ADC's have them built in.
 
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There are a few points that people aren't taking into account here:
- Canon are using 130nm fab tech - awesome. They were using 500nm tech in most current models.
- The more pixels you can throw at an image, given the same quantum efficiency of the silicon base photon collecting surface (esp with gapless colour filter array and pixel architecture), the better dynamic range - esp at lower ISOs because of much greater sampling across the image. It would blast that DXO garbage out of the window.
- No one will ever whine about sensor resolution again - the sensor will out-resolve any lens you can through at it! And that is a good thing! If you have a problem with file size, just downsize to a smaller 16bit raw (*.cr2 can probably already do it). From what I have heard, the ADC can already do it and Canon are doing ADC on sensor for future upcoming products. But, SRAW and MRAW need to be fixed.
All good and moving forward!
 
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RobPan said:
Hm, if there would be a FF sensor with 250 MP, wchich lenses would they want to use? Sony GM? Older lenses all have insufficient resolution for that many mexapixels.

If they are serious about such a high MP sensor, that presumably means they are working on a Sony GM equivalent or better.

Kind regards,
Rob.

Sony's lenses aren't out yet and for all we know they could be garbage.

If you want lenses that almost reach 50lp/mm then a good copy of the Sigma Art lenses already do that, as do some of Canon's recent lenses. Sony didn't actually say that they were going to achieve that kind of resolution, their statements in that regard were incredibly vague. I won't believe they have anything more than some weird Bokeh until we see reviews.
 
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I am very happy with my Canon mount lenses, so I am excited about Canon's sensor development. Remember folks that Canon brought phase detect focus to sensor level with their DPFA or what ever the acronym is - split pixel tech on the 70D. Really looking forward to seeing some RAWs from the upcoming 1Dx II with the assumed on chip ADC. We are moving along quite nicely here on the light side :)
 
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Medium Format?

Or Canon will release a 25MP 1DX Mark III in 3.5 years, a 30MP 1DX Mark IV 4 years after that, a 34 MP 1DX Mark V 3.4 years after that, a 41MP 1DX Mark IV......

A good business plan that will see the light of day in 2064. I hope the camera will be light as I will be 100 years old. The newspaper will run a picture of me with my new 10DX Mark VII and I, beaming with pride (and after putting my teeth in) will remark "I remember when all I had was my 18MP 7D and I liked it!"
:)
 
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9VIII said:
RobPan said:
Hm, if there would be a FF sensor with 250 MP, wchich lenses would they want to use? Sony GM? Older lenses all have insufficient resolution for that many mexapixels.

If they are serious about such a high MP sensor, that presumably means they are working on a Sony GM equivalent or better.

Kind regards,
Rob.

Doesn't matter - all lenses still have a diffraction limit and these new sensors will out-resolve them all! A good thing! It will be about sub-sampling pixilation - boosts DR by default at low ISOs.

Sony's lenses aren't out yet and for all we know they could be garbage.

If you want lenses that almost reach 50lp/mm then a good copy of the Sigma Art lenses already do that, as do some of Canon's recent lenses. Sony didn't actually say that they were going to achieve that kind of resolution, their statements in that regard were incredibly vague. I won't believe they have anything more than some weird Bokeh until we see reviews.
 
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dilbert said:
As all of the R&D sensor announcements are for this size of sensor, it would seems to be that the 1.3x (APS-H) fab has been given to the R&D guys.

no clearly you're not thinking. it's the largest sensor you can make on a traditional stepper lithography machine. which the reason canon always used it for R&D prototypes, it's the largest single pass exposure sensor they could make. (which is why the format came out in the first place).
 
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gunship01 said:
Medium Format?

Or Canon will release a 25MP 1DX Mark III in 3.5 years, a 30MP 1DX Mark IV 4 years after that, a 34 MP 1DX Mark V 3.4 years after that, a 41MP 1DX Mark IV......

A good business plan that will see the light of day in 2064. I hope the camera will be light as I will be 100 years old. The newspaper will run a picture of me with my new 10DX Mark VII and I, beaming with pride (and after putting my teeth in) will remark "I remember when all I had was my 18MP 7D and I liked it!"
:)

Yes, Medium Format will be one thing that will solve the 'airy circle' diffraction limitation - just need larger lenses for the job.
 
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rrcphoto said:
dilbert said:
As all of the R&D sensor announcements are for this size of sensor, it would seems to be that the 1.3x (APS-H) fab has been given to the R&D guys.

no clearly you're not thinking. it's the largest sensor you can make on a traditional stepper lithography machine. which the reason canon always used it for R&D prototypes, it's the largest single pass exposure sensor they could make. (which is why the format came out in the first place).

And that 'stepper lithography machine' uses 130nm tech? I thought it was all running on 500nm tech.
 
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9VIII said:
RobPan said:
Hm, if there would be a FF sensor with 250 MP, wchich lenses would they want to use? Sony GM? Older lenses all have insufficient resolution for that many mexapixels.

If they are serious about such a high MP sensor, that presumably means they are working on a Sony GM equivalent or better.

Kind regards,
Rob.

Sony's lenses aren't out yet and for all we know they could be garbage.

If you want lenses that almost reach 50lp/mm then a good copy of the Sigma Art lenses already do that, as do some of Canon's recent lenses. Sony didn't actually say that they were going to achieve that kind of resolution, their statements in that regard were incredibly vague. I won't believe they have anything more than some weird Bokeh until we see reviews.

Doesn't matter - all lenses still have a diffraction limit and these new sensors will out-resolve them all! A good thing! It will be about sub-sampling pixilation - boosts DR by default at low ISOs.
 
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This is where I envisage the future:
- A/D conversion will be clean
- Every photon of light will count (a large proportion is absorbed by the colour filters in the Bayer filter array), hence layered sensors will be developed. Different colour absorption at different depths in silicon. It will suck for infrared photography though :/ The current Bayer filter array is what makes good IR shots - unless they sample the very shallow UV and very deep IR layers (I have seen a Canon patent for that) with a five channel readout.
- BSI sensors with a much higher sampling rate than any lens can resolve - ie huge megapixels. If you want to down sample for the purpose of your computer or hard drive space, well make good MRAW and SRAW. What about a 14 bit or 16 bit option? Also, the current problems with down sampling raws will be instantly void with layered sensors.
- Higher QE (black silicon, say - may give and extra 25-45%) - but relates to my second point. Black silicon would affect the colour differentiation of layered sensors :/

Then everyone will be talking lens quality, not sensor quality.
 
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JS5 said:
Canon...
Once again I ask you to please get your head out of your ass and do the right thing...
Nobody needs 250 trillion million pixels... billboards were done with merely 4 megapixels back in the three pass digital backs... So please...
Stop your pissing fight with whoever it is you feel you need to fight this megapixel race, and make a real camera already !
I have been a Canon user, since photography became my only source of income since 1991... but Canon, you are forgetting the professionals and insist on making cameras for the wealthy amateurs that buys ever dumb model you put out... and plenty of useless research and development continue instead of thinking of the ones that actually make photos that end up in magazines that you benefit from.
We professionals deserve a nice camera that shoots 14 frames a second, raw ( 22 megapixels is all anyone needs ), no stupid programs just MANUAL, maybe TV maybe AV... Less info on the mother board, water tight, weather tight, self cleaning sensor and for crying out loud if they put a man on the moon make your cameras sync at 8000th of a second !!!
It is actually a simpler camera for professionals or people that do not use automatic exposures or "P" which I believe stands for PENDEJO since you can not figure out how to use a meter or the meter.
Canon... 250 megapixels ? Seriously...

Dude, I think the upcoming 1Dx II might just be the cam for you! Looking forward to seeing some raws from this beast. If they have weaved some magic with their new on chip A/D converters, we will be singing!
 
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"When installed in a camera, the newly developed sensor was able to capture images enabling the distinguishing of lettering on the side of an airplane flying at a distance of approximately 18 km from the shooting location".

It's a different animal. Now let's go back to 5D Mk.IV rumors.
 

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JS5 said:
Canon...
Once again I ask you to please get your head out of your ass and do the right thing...
Nobody needs 250 trillion million pixels... billboards were done with merely 4 megapixels back in the three pass digital backs... So please...
Stop your pissing fight with whoever it is you feel you need to fight this megapixel race, and make a real camera already !
I have been a Canon user, since photography became my only source of income since 1991... but Canon, you are forgetting the professionals and insist on making cameras for the wealthy amateurs that buys ever dumb model you put out... and plenty of useless research and development continue instead of thinking of the ones that actually make photos that end up in magazines that you benefit from.
We professionals deserve a nice camera that shoots 14 frames a second, raw ( 22 megapixels is all anyone needs ), no stupid programs just MANUAL, maybe TV maybe AV... Less info on the mother board, water tight, weather tight, self cleaning sensor and for crying out loud if they put a man on the moon make your cameras sync at 8000th of a second !!!
It is actually a simpler camera for professionals or people that do not use automatic exposures or "P" which I believe stands for PENDEJO since you can not figure out how to use a meter or the meter.
Canon... 250 megapixels ? Seriously...

So buy a 1DX Mark II and be done with tit then.
 
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