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Author Topic: 5D Mark III & More  (Read 47271 times)

Justin

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Re: 5D Mark III & More
« Reply #15 on: May 02, 2011, 10:23:10 PM »
If sharpness is the goal, does that mean no more AA filter?

Weakened AA filter would work for me.

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Re: 5D Mark III & More
« Reply #15 on: May 02, 2011, 10:23:10 PM »

distant.star

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Re: 5D Mark III & More
« Reply #16 on: May 02, 2011, 11:12:16 PM »
"Key" photographers?

Wow, I'm going to start checking out locksmith shops. Maybe I'll see one.
You're offended? Oh, really! Life IS offense -- get used to it.

asu

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Re: 5D Mark III & More
« Reply #17 on: May 03, 2011, 01:12:57 AM »
its all about waiting...
canon is waiting to see nikon d800 specs, in the other hand nikon is waiting for new full frame sensor from sony.
hahaha   ::)

torger

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Re: 5D Mark III & More
« Reply #18 on: May 03, 2011, 01:29:15 AM »
If 5Dmk3 will hav 26-28 megapixels and the next 1D ~40, it will be a difficult choice for me. 1D will surely be rather expensive in relation to my amateur budget, but probably within reach if I stretch it.

J-Man

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Re: 5D Mark III & More
« Reply #19 on: May 03, 2011, 01:53:46 AM »
This is what I hope the next round of bodies improve on, larger dynamic range, less noise at all ISO's, larger view finders, Lcd's with pixel densities of the iphone4, autofocus that works faster and more accurately(both types), pro quality  on all XD bodies with full weather sealing.

Wahoowa

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Re: 5D Mark III & More
« Reply #20 on: May 03, 2011, 04:08:48 AM »
It's good to hear that Canon will not increase resolution by much and now concentrate on image quality and noise reduction. However, I don't think 19-point AF will make an exciting impact like 5D2 did, especially compared to the AF system by Nikon.

I just hope that Canon will get everything right to satisfy their followers.

airdima

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Re: 5D Mark III & More
« Reply #21 on: May 03, 2011, 04:49:51 AM »
the least i would expect in 5D III is improved focus system coupled with 7D weather sealing
i dont think that pushing the sensor resolution further is a good idea. better concentrate on noise reduction that would get canon in line with nikon flagships (at the very least)
also, wireless flash control would be VERY nice to have

either way, i dont see myself upgrading from my 5DII right away, as for now it works fine for roughly 95% of my needs

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Re: 5D Mark III & More
« Reply #21 on: May 03, 2011, 04:49:51 AM »

Kim

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Re: 5D Mark III & More
« Reply #22 on: May 03, 2011, 06:07:04 AM »
Someone should hit up Vincent LaForet to hear if it is good :D

torger

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Re: 5D Mark III & More
« Reply #23 on: May 03, 2011, 06:18:14 AM »
All this talk about noise reduction, what is this? Is it only about reducing noise in camera JPEGs? To me that is next to meaningless, I shoot RAW only and rely on noise reduction in RAW development software. However, read noise reduction at low ISO would be welcome to me. But is there much you can do at high ISO any longer? Read noise at high ISO seems low to me already on the newest sensors. Isn't nearly all noise in typical high ISO pictures just unavoidable photon shot noise?

And as far as I've understood there's no law of physics that says that larger pixels will lead to less noise, so you could combine high megapixel count with low noise, historically it has indeed been tough, but it seems to me that with newer sensors the problem has become smaller and smaller. A higher resolution picture will of course look more noisy at 100% crop due to more photon shot noise per pixel, but when averaged/binned it's the same as for larger pixels. If you're only going to shoot high ISO I guess it makes little sense to have high megapixel count since you'd want to average/bin them anyway for noise reduction. However, I guess for many of us that do 90% of the photos at minimum ISO, a large pixel count is welcome, resolution is indeed a key aspect of image quality.

One aspect that I'm a bit unsure of is the quantum efficiency, perhaps there's stuff to do in that part? QE = how many of the incoming photons that actually become registered by the sensor. If that can be significantly increased, there will be a true improvement for low light shooting. I've heard that it's around 40% of today's sensors, not sure if it's correct though. If it is, there's ~1 stop improvement to do there.
« Last Edit: May 03, 2011, 08:34:15 AM by torger »

NormanBates

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Re: 5D Mark III & More
« Reply #24 on: May 03, 2011, 07:37:12 AM »
canon 60d seen in the wild: August 11, 2010
canon 60d released: August 25, 2010
http://www.canonrumors.com/2010/08/canon-eos-60d-picture/
http://www.canonrumors.com/2010/08/canon-announces-eos-60d/

J-Man

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Re: 5D Mark III & More
« Reply #25 on: May 03, 2011, 07:47:27 AM »
In body jpg are useless to me, way too easy to blow highlights, the noise reduction I'm referring to is everything from the sensor, through the signal amps, the AD conversion, and then signal processing(de-Bayer).
Any improvement in noise reduction is welcome, any banding is unforgivable.

The size of the pixels are becoming less of an issue with each generation, I'm more concerned with the balance that Canon has been choosing the last few generations of sensors between pixel density and per pixel noise, the 1DsII & 5D were the last of the conservative designs IMO.


Quote
canon 60d seen in the wild: August 11, 2010
canon 60d released: August 25, 2010

That could be an early production sample test, vs a release candidate test, very different in terms of how long to maket.

skitron

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Re: 5D Mark III & More
« Reply #26 on: May 03, 2011, 10:03:33 AM »
In body jpg are useless to me...the noise reduction I'm referring to is everything from the sensor, through the signal amps, the AD conversion, and then signal processing(de-Bayer).

+1
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c.d.embrey

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Re: 5D Mark III & More
« Reply #27 on: May 03, 2011, 10:45:37 AM »

I can see that Canon is paranoid that raising the bar with the 5D MkIII too high may poach sales of the 1D series, but the questions they should be asking themselves are where are Nikon going with the D800 and what will Sony next move with full frame be?

Why should Canon be paranoid ? Make no sense ! Nikon provides the same focus and metering on all their pro cameras (D300S, D700, D3S and D3X) and seem to have no "poaching" problem. Crippled is a word seldom seen on Nikon forums.

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Re: 5D Mark III & More
« Reply #27 on: May 03, 2011, 10:45:37 AM »

thejoyofsobe

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Re: 5D Mark III & More
« Reply #28 on: May 03, 2011, 11:17:33 AM »

I can see that Canon is paranoid that raising the bar with the 5D MkIII too high may poach sales of the 1D series, but the questions they should be asking themselves are where are Nikon going with the D800 and what will Sony next move with full frame be?

Why should Canon be paranoid ? Make no sense ! Nikon provides the same focus and metering on all their pro cameras (D300S, D700, D3S and D3X) and seem to have no "poaching" problem. Crippled is a word seldom seen on Nikon forums.
moreover if we are to believe the latest rumors the 1D series is merging and there will be no more APS-H sensors.

For professionals Canon would have:
1D mk5 - weather-sealed, excellent fps, full-frame, 45 pts AF
5D mk3 - not weather-sealed, decent fps, full-frame, 19 pts AF
7D - not weather-sealed, excellent fps, APS-C, 19 pts AF


Currently Canon is selling 5 cameras in that range (4 active models) so the distinctions were a little fuzzier for consumers who wanted a bigger sensor than an APS-C. Retrenching that back down to three professional grade cameras should help them focus their efforts more on making better cameras and meeting the needs of those distinct markets.

Panurus

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Re: 5D Mark III & More
« Reply #29 on: May 03, 2011, 11:40:05 AM »

I can see that Canon is paranoid that raising the bar with the 5D MkIII too high may poach sales of the 1D series, but the questions they should be asking themselves are where are Nikon going with the D800 and what will Sony next move with full frame be?

Why should Canon be paranoid ? Make no sense ! Nikon provides the same focus and metering on all their pro cameras (D300S, D700, D3S and D3X) and seem to have no "poaching" problem. Crippled is a word seldom seen on Nikon forums.
moreover if we are to believe the latest rumors the 1D series is merging and there will be no more APS-H sensors.

For professionals Canon would have:
1D mk5 - weather-sealed, excellent fps, full-frame, 45 pts AF
5D mk3 - not weather-sealed, decent fps, full-frame, 19 pts AF
7D - not weather-sealed, excellent fps, APS-C, 19 pts AF


Currently Canon is selling 5 cameras in that range (4 active models) so the distinctions were a little fuzzier for consumers who wanted a bigger sensor than an APS-C. Retrenching that back down to three professional grade cameras should help them focus their efforts more on making better cameras and meeting the needs of those distinct markets.


A 1DS with 10fps, why not. I can dream to use it and I will by it for different use that my 1DmkIV.

Which is the difficulty for Canon to place an APS-H captor in the 1Ds body? None.
The Canon APS-H CMOS  120 M pixels (13280 x 9184) looks like the future of the 1D line.
The main part of the job is already done.

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Re: 5D Mark III & More
« Reply #29 on: May 03, 2011, 11:40:05 AM »