Canon adopt 4:3 sensor LOL

Lights · Jan 9, 2012

Myself love the EVF although doubted it at first. The thing is a lot of dedicated Canon's DSLR shooters probably will think "wow it's got an optical viewfinder" and I can also use my ETTL flash. To me there is no comparison between viewfinders, was already sold on the EFV's before from my Olympus 8080. There's nothing like being able to actually "see" the shot before taking it in the viewfinder. Also indispensable for manual or critical focus, the only way to really manually focus on my Canon is to look at the focus confirmation light, and have used that so little - don't know if it's accurate for critical focus . For an all round travel or street shooting camera, think I'd rather have this G series than the Nikon 1 series...a lot less bother...and a lot bigger sensor. The camera doesn't really interest me so much, since I can't twist the lenses off of it...it looks nice though.
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Kirppu · Jan 9, 2012

Very interesting indeed, mtf sensor size in all in one body compact style desing.
Also rumours hints that the price could be around 500$

So rather ig sensor and no lens hassle

sounds good to me. Does someone agree with me?
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illy · Jan 9, 2012

Adventsam said:
What a joke, Canon offering a 43rds sensor in a compact.

Still choice is good.

how good the high ISO and DR is compared to regular micro and 4/3rds stuff......might be interesting don't you think?
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Kirppu · Jan 9, 2012

The lens could be faster than F2.8
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SF Photo Gal · Jan 9, 2012

illy said:
how good the high ISO and DR is compared to regular micro and 4/3rds stuff......might be interesting don't you think?

Will finally answer the question as to whether the "limits" of m4/3 are due to size or just Panny's technology.

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Canon 1DsIII & 5DII/Panasonic GH1-GF1-LX3

RicksAstro · Jan 9, 2012

SLOtographer said:
toporossa said:

It's 18.7 x 14 mm (Canon) versus 17,31 mm × 12,98 (MFT). Panasonics GHx sensor is 18,89 mm × 14,48mm.

Click to expand...

This is very interesting. It's between the "regular" m43 and GH m43 sensors.

Well, not really...when used in the 4/3 format, the GH sensors have the same imaging size as all other m4/3 cameras (17.3x13). The larger area allows the multi-aspect without compromising the pixel count too much.

So if you're comparing the pixels that can be used for a given image, the G1X is larger than all m43 camera, but just by a little bit.

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s_grins · Jan 9, 2012

Yep!
Now M43 has a real competitor in the sensor department
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shutter2533 · Jan 9, 2012

Chris_in_Osaka said:
Dpreview lists the E-PM1 as having "17.3 x 13.0 mm active area"

Chris_in_Osaka said:
I don't know the original reason for the larger than needed sensors. I'd like to think it was forward thinking by someone at Kodak or Olympus. Now the extra space is needed for image based IS. Canon on the other hand, with optical IS and no arrangements with a company using sensor IS (unlike Panasonic) can go ahead and use the extra space.

Larger sensor needed for barrel distortion correction. The "barrel" image bows out of the standard frame, so the extra pixels are needed to capture that portion of the image. Software corrects the distortion before writing to JPGs.

Olympus must have determined for the original 4/3 specification that barrel distortion would be a problem for the shorter focal length lenses and that internal corrections through software was going to be applied. It allows for simpler optical designs at a low cost.

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SLOtographer · Jan 9, 2012

RicksAstro said:
SLOtographer said:

toporossa said:

It's 18.7 x 14 mm (Canon) versus 17,31 mm × 12,98 (MFT). Panasonics GHx sensor is 18,89 mm × 14,48mm.

Click to expand...

This is very interesting. It's between the "regular" m43 and GH m43 sensors.

Click to expand...

Well, not really...when used in the 4/3 format, the GH sensors have the same imaging size as all other m4/3 cameras (17.3x13). The larger area allows the multi-aspect without compromising the pixel count too much.

So if you're comparing the pixels that can be used for a given image, the G1X is larger than all m43 camera, but just by a little bit.

Yes, I understood your points, but what is catching my attention is that they chose a 2x crop. That's an interesting choice for Canon, given that they already have 1.6 croppers and all the development to produce them.

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SteB · Jan 9, 2012

justmeMN said:
The Canon G1X sensor is larger than Micro Four Thirds

If only Olympus could persuade Canon to sell them the sensor they'd have a new source of sensors. It makes you wonder if Canon are planning on buying Olympus, because they have a ready made sensor to slip into m4/3 cameras.

Perhaps this is the plan to stop it cutting into the sales of Canon DSLRs.

rolleiman · Jan 9, 2012

tt321 said:
rolleiman said:

tt321 said:

fermy said:

Don't see any joke here. The lens is meh, but the camera seems alright. At least they didn't cut on controls, and ergonomics features, hopefully Oly&Pany will get the message.

Click to expand...

It's becoming even less reasonable to get an M4/3 camera with only the kit lens and never to expand. If you want to do that you'd do much better with this.

Click to expand...

Until you have to clean the sensor.

Click to expand...

Since there is no lens changing, this is hopefully a rare need, by which time (3 years later or longer? My only sensor dust problem on a compact appeared 4+ years into its life) it's so out of date that you just replace it. Many people have replaced their G1 and EP-1, or even G2 and EP-2.

Bellows action from the lens. Where does the air come in, go out? Well known G9 dust problems. Maybe Canon is on top of this problem and has better sealing than before. I'm just not interested in having to know about it anymore. And there is something rather crass about assuming that your camera will be obsolete in a few short years.

We've gone from buying film to buying cameras it seems. Out of date used to refer to film.

µJoe · Jan 9, 2012

Thanks. I thought that was the case.

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µJoe · Jan 9, 2012

Yes, very interesting to know. I'm looking forward to seeing some sample pics. There is a lot I like about it - just not the expected $800 price tag. I hope Olympus' new body has some of the same, like the large grip with front dial, and the vari-angle LCD (or OLED).

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J R R S · Jan 10, 2012

I doubt it - the original 4/3 format was a telecentric dedign at the sensor side, so there should be no barral distrotion! - I bet the oversize was for IBIS, allowing some shift and still keeping imag on sensor!

J R R S · Jan 10, 2012

Notice the internal flash sync is 1/2000th while external is 1/250th (or somthing like that) suggesting that with the internal flash its happy to sync upto 1/2000th - wonder if it does this with an electeronic shutter?! IF so it would be intresting to see the IQ hit if any! - Because if so we would know what to expect from the GH3!

bobn2 · Jan 10, 2012

J R R S said:
I doubt it - the original 4/3 format was a telecentric dedign at the sensor side, so there should be no barral distrotion!

'telecentric design' does not have an impact on barrel distortion, and it is not part of the mFT concept.
--
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Donald Chin · Jan 10, 2012

Adventsam said:
What a joke, Canon offering a 43rds sensor in a compact.

Still choice is good.

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tt321 · Jan 10, 2012

rolleiman said:
tt321 said:

rolleiman said:

tt321 said:

fermy said:

Don't see any joke here. The lens is meh, but the camera seems alright. At least they didn't cut on controls, and ergonomics features, hopefully Oly&Pany will get the message.

Click to expand...

It's becoming even less reasonable to get an M4/3 camera with only the kit lens and never to expand. If you want to do that you'd do much better with this.

Click to expand...

Until you have to clean the sensor.

Click to expand...

Since there is no lens changing, this is hopefully a rare need, by which time (3 years later or longer? My only sensor dust problem on a compact appeared 4+ years into its life) it's so out of date that you just replace it. Many people have replaced their G1 and EP-1, or even G2 and EP-2.

Click to expand...

Bellows action from the lens. Where does the air come in, go out? Well known G9 dust problems. Maybe Canon is on top of this problem and has better sealing than before. I'm just not interested in having to know about it anymore. And there is something rather crass about assuming that your camera will be obsolete in a few short years.

We've gone from buying film to buying cameras it seems. Out of date used to refer to film.

I was using what I read from these forums as a kind of guideline about how people normally update their cameras. I can indeed imagine myself updating to a different camera in 5 years' time. That's one of the reasons I chose the G3. At the time, Panasonic was giving a free 5 year warranty for it.

Dust sucking is one of the reasons I chose the x zoom, which does not change size so hopefully does not suck dust in between the elements. We shall see.

Louis_Dobson · Jan 10, 2012

And go wider than 28mm.

Useless to me, but a good choice for anyone who wants a good camera and will never change the lens.

Frankly, most airport shop MFT buyers would be much better off with this.

Canon's claimed market, people with proper dSLRs who want something carry around, ie me, won't touch it with a bargepole. Len is too slow and does not go wide enough, thank you and good night.

Kirppu said:
The lens could be faster than F2.8
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J R R S · Jan 10, 2012

We are talking about the original concept and spek for 4/3 sensors not the m4/3 format..

Telecentric design will reduce distrotion, as the output is parralell - so as not to bulge outside the target area. - there will be distortion but it will not project outside the "strict" sensor area.

Canon adopt 4:3 sensor LOL

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