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Author Topic: 5D Mark III Information [CR1]  (Read 22557 times)

K-amps

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Re: 5D Mark III Information [CR1]
« Reply #90 on: January 20, 2012, 09:30:31 AM »
Regardless for Focus points, why dont we see coverage on the 4 intersection points of the rule of thirds grid? Looking at the focus maps posted by John, I see coverahe near the grid intersections but non on the intersection points. Heck to make it simple, there should be at least 5 points in every camera, center and 4 grid intersections to start off...

There are limitations on how far from the center the AF points can be spread, especially in the vertical dimension.  Basically, three reasons:


John thanks so much!!   :)  You are very helpful and generous with your time and knowledge.

Great article by the way!
« Last Edit: January 20, 2012, 09:42:24 AM by K-amps »
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Re: 5D Mark III Information [CR1]
« Reply #90 on: January 20, 2012, 09:30:31 AM »

LetTheRightLensIn

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Re: 5D Mark III Information [CR1]
« Reply #91 on: January 21, 2012, 01:18:42 AM »
The 5D2 already crushed the 1Ds3 anyway.

The 1Ds3 still produces better low iso images than the 5D2 - and it has a far better AF than the 5D2, plus all the 1 series benefits - such as weatherproofing

If you are happy to take pictures up to iso1600 a used 1Ds3 makes a lot of sense.

I think that cameras have moved away from a mp war to an iso war. Personally I dont take many images at 3200 or higher because by then I have usually got out the tripod of the flash.

I would love to see the focus of new cameras being on dynamic range to help cure the bette noir of photographers - burnt out highlights or lack of detail in the shadows

I mean the 5D2 crushed the 1Ds3 in terms of already low 1Ds sales tanking, nothing about which body itself was better.

GoldenEagle

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Re: 5D Mark III Information [CR1]
« Reply #92 on: January 21, 2012, 02:47:13 AM »
Hi all, first post here!

What I haven't seen discussed re: 5DM3 is the impact of higher useable ISO for lowlight shooters on the entire Canon L-series telephoto lens line. Currently, using Lightroom 3 noise reduction (@~35% slider), I can use 5000 ISO on my 5DM2 all day long, with very little noise impact on IQ. If the 5DM3 can get me a 2-stop ISO improvement, that equates to around 20,000 useable ISO. What that means, from a lens acquisition/ownership perspective:

A) I could work with a 70-200mm f/4L ($600/$1100 w/IS) instead of a 70-200mm f/2.8L ($2200/$2400) and still have sufficient shutter speed (1/200 or better) to freeze most subject movement, low light, no flash.

B) Similar comparison at 300mm for f/2.8L vs f/4.0L: $7300/5.2lb vs $1300/2.6lb. Savings=$6,000, plus no monopod required!

C) Even better, at 400mm focal length, with a 20,000 ISO, couldn't I get a 400mm f/5.6L for $1,200, instead of a 400mm f/2.8L for $12,000? I have neither budget nor the desire to drag an 8- to 11-lb monster around all night. With the 400mm f/5.6L, it's only 2.8 lbs, less than the 70-200 f/2.8L!

What I'm seeing potentially is the ultra-high ISO available in a 5DM3 (plus 1DX, potentially 7D2) making the incredibly expensive and heavy f/2.8L telephotos only being used by the elite/rich sports/outdoor shooters, allowing a lot of less-financially well-off shooters to produce still-great imagery using far less expensive and lighter f/4.0L-f/5.6L telephoto lenses.

Spending $1-2K on a 5D body upgrade from M2 to M3, just for the ISO alone, could/would pay for itself and then some, immediately in lens savings, wouldn't it? What am I missing?

Give me ISO! GE
« Last Edit: January 21, 2012, 10:43:36 AM by GoldenEagle »

briansquibb

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Re: 5D Mark III Information [CR1]
« Reply #93 on: January 21, 2012, 03:32:17 AM »
The 5D2 already crushed the 1Ds3 anyway.

The 1Ds3 still produces better low iso images than the 5D2 - and it has a far better AF than the 5D2, plus all the 1 series benefits - such as weatherproofing

If you are happy to take pictures up to iso1600 a used 1Ds3 makes a lot of sense.

I think that cameras have moved away from a mp war to an iso war. Personally I dont take many images at 3200 or higher because by then I have usually got out the tripod of the flash.

I would love to see the focus of new cameras being on dynamic range to help cure the bette noir of photographers - burnt out highlights or lack of detail in the shadows

I mean the 5D2 crushed the 1Ds3 in terms of already low 1Ds sales tanking, nothing about which body itself was better.

+1 I think you are right from that point of view.

On paper the 5DII is much more attractive. Again I suspect that photograhers are being lead on a iso chase by the marketeers. The 1Ds3 is all about image quality with the push being studio work as it 'only' goes to iso 1600 (expanded to 3200) whereas the 5DII is good to 3200 and acceptable at 6400 (with care).

It seems to be not generally understood that the higher the iso the lower the IQ of the image (even if noise free). Obviously this varies from body to body and it starts being significant at different points - rather like diffraction starts to lower the IQ.

I have chosen to move to the 1Ds3 from my 7Ds as it will serve me as a 1DX now, so that I am ready to upgrade the body without having to go through the 1.6 to ff hoops. I suspect several of those jumping from 7D to either 5DIII or 1DX will find it very hard and there will be bad stories about the new bodies. I shoot mostly in reasonable light so iso 1600 is more than good enough for me.

This happened with those jumping to the 7D and getting soft images because they had set the AF up wrongly. I bought a so called soft focussing 7D and got nothing but sharp pictures once I sorted the AF system.

I am out shooting today with the 1Ds3 and the 400 f/2.8 - this is the equivalent of the 1.6 with a 250mm - which highlights what is going to happen when people move to ff - Canon will sell longer (and more profitable) lens.
« Last Edit: January 21, 2012, 03:35:13 AM by briansquibb »

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Re: 5D Mark III Information [CR1]
« Reply #93 on: January 21, 2012, 03:32:17 AM »