April 19, 2014, 12:40:44 PM

Author Topic: 5d3 2 day experience coming from a 7D - Canon responses included...  (Read 7775 times)

Sycotek

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Day 1: email to my canon staff member I normally rant too :P

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I got impatient and bought a 5D3 – whilst it’s not one series, it’s not too bad.

However there is some serious banding issues – I can’t be the only one that it effects.

Sample here – (yes I am aware I twitched and locked ev -1/3 under but wouldn’t have this effect)

http://dl.dropbox.com/u/33440790/1D5A8210.JPG (20MB warning)

I removed all in body processing as I wanted to see what the sensor is capable of.

DPP seems to have a mind of it’s own but I removed the unsharpen mask (which kills the image btw) and sharpening and all NR – except for Luminance noise (which is appalling without it)

There is serious banding in the skys? – red/green/purple – and I am using the camera how you would expect f2.2, 1/50, iso 12.8K

Thoughts? Solutions?

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No response so then continued with my day 2 experiences:

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AF test, Jpeg shooting:

Positive notes:

- AF – spot on to the fact of lunacy, and I have only just started to fine tune it as the default case 2 switches a bit too much. I managed to grab a cyclist come up a hill back lit when in a moving car travelling at 60KM/hr with only a 0.2-0.5s acquisition time pre fire on an  F4 lens – to me that is insane.

- Jpeg image sooc is gorgeous – I wanted to see what it renders like with HS NR, ALO, Landscape Profile on and tbh SOOC images are near flaweless (bar the read noise).


Negatives:

- Dunno what Canons smoking but 6FPS is a joke – this is a 3.5-4fps at best camera when tracking (painfully slow but at least its accurate) – 7D smashes out frames in the same light using the same lens.

- Magnify to point is great (but nothing new after shooting 1 series for a few generations), but the moron that moved the magnify button should be shot.

- The af point is so small it’s hard to see at times (never had that issue with the 7D as the af points larger and brighter when you put the af point brightness mode to max – and at least you are given that option!!!)


Major Disappointment’s:

Read noise at iso 100 (and up) is noticeable in the shadows and anything remotely grey.

LR’s Colour NR does remove most of it but at higher iso’s it doesn’t do as good a job.

On a side note: I’d love to use DPP but it seems it’s the same people coding that program as the guy that moved the magnify button – it’s clunky and feel like it came from the windows 95 era.

For now however there is no alternative to DPP -> TiFF -> LR edit (in effect you are better off shooting jpeg)

For a RRP of $4299 I wouldn’t expect to have to be processing NR at iso 100. At best this body is worth $2K and should be sold as Canons entry level FF camera – if you pull the AF out, that’s all it is - an entry level FF with a noisy sensor.

I’m not sure if the upcoming firmware address this?

"local rep name" I’m going to take it into the studio and try and reclaim some love for it – from everything I have seen so far I am expecting to see some banding in the shadows of the skin tones – if my expectations prove to be true, then the camera is a complete and utter failure and will have to go back – sorry :/ (that was to my local rep)

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Response!!!

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Hi,

I passed on your previous feedback to our technical team for their evaluation.

Unfortunately due to restrictions in our internet access regarding file sharing we were unable to download the image you sent; however they mentioned that to accurately test whether the camera was functioning within specification or not it would need to be tested here at North Ryde.

As per below however I can see the 5DMkiii has not met your expectations. I cannot comment on the technical performance of the camera as this is all managed via Canon Inc, I can only hope that when the 1DX is launched it is the camera that you have been waiting for.

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Drizzt321

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For the editing workflow, LR 4.1 RC2 does support the 5d3, I've been using it (and RC1 before) since I got my 5d3. Works just fine.

For the FPS, what shooting mode did you have it in? Silent continuous or regular continuous or H continuous? Try them out, check the manual. Silent mode drops it to ~3fps.

The AF points being difficult to see in low light, yea, just about everyone has complained about that. We've seen some possible statements that indicate we may get the option to have them stay red in certain lighting situations. We'll see.

In terms of the banding, well, you're also shooting at 12.8K ISO!! Can your old 7D even come close? You should see what the 5d2 banding looked like at ISO >=3200. In the darks, it was often very, very obvious and grid-like. So much better than it was. Try exporting as a web size image, 1000-1500 pixels on the long side, I'm betting that'll help it a good bit. Also LR NR could help some as well, including the lens auto-correct stuff.

That's all I've got, haven't done a lot of shooting at low ISO's on it yet, but at a music venue for a shoot, it was pretty freaking awesome. Especially compared to my 5d2.
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Sycotek

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Hey Drizzt321

I know LR4 supports the raw but they also cook the raws to no end. Hence the workflow change till adobe fixes the raw convertor.

FPS - H mode (like it should be)

And banding is visible in iso 100 images - look for anything grey and you will see the green and red bands :)

First night i took it out shooting iso 2000 throughout - i am impressed overall by the iso range just the bandings killed it for me.

Drizzt321

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Hey Drizzt321

I know LR4 supports the raw but they also cook the raws to no end. Hence the workflow change till adobe fixes the raw convertor.

FPS - H mode (like it should be)

And banding is visible in iso 100 images - look for anything grey and you will see the green and red bands :)

First night i took it out shooting iso 2000 throughout - i am impressed overall by the iso range just the bandings killed it for me.

Hmm...I never measured the FPS in H mode, seemed like it was pretty darn fast. Definitely a good bit faster than the 5d2 anyway.

Interesting you're seeing banding in the ISO 100. I'm guessing it's in areas without much light? Like on a tripod at night, even at low ISO you're getting banding in the dark/gray areas? Hmm...I'll have to do some tests on that when I get a chance.
5D mark 2, 5D mark 3, EF 17-40mm f/4L,  EF 24-105mm f/4L IS USM, EF 135mm f/2L, EF 85mm f/1.8
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revup67

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Perhaps some obvious thoughts here but have you tried different lenses?  Is it possible the camera is flawed?  Do you have any filters on? I saw one other guy write in here about global issues on all lenses (think it was sharpness related) and after a replacement of the camera all of the problems were gone.  How fast is the card in your camera and is it CF or SD and have you viewed the chart on the various cards and there clocked speeds within the 5D Mark iii (Rob Golbriath I think did the charts)?  Silent mode is off I presume ?  Auto Optimizer..is that off ?  Are you shooting in RAW or JPG ?
Thanks
Rev
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Drizzt321

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Perhaps some obvious thoughts here but have you tried different lenses?  Is it possible the camera is flawed?  Do you have any filters on? I saw one other guy write in here about global issues on all lenses (think it was sharpness related) and after a replacement of the camera all of the problems were gone.  How fast is the card in your camera and is it CF or SD and have you viewed the chart on the various cards and there clocked speeds within the 5D Mark iii (Rob Golbriath I think did the charts)?  Silent mode is off I presume ?  Auto Optimizer..is that off ?  Are you shooting in RAW or JPG ?

Good point on the lens. Are you using the 50mm f/1.8? Or the better 1.4 or 1.2?
5D mark 2, 5D mark 3, EF 17-40mm f/4L,  EF 24-105mm f/4L IS USM, EF 135mm f/2L, EF 85mm f/1.8
Film Cameras: Mamiya RB67, RB-50, RB-180-C, RB-90-C, RB-50, Perkeo I folder, Mamiya Six Folder (Pre-WWII model)
http://www.aaronbaff.com

Sycotek

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Day 1: sample image was shot with a EF 50 f1.4 in RAW (dpp -> Tiff -> LR)

Day 2 set: The shots that I was taking yesterday in servo mode was the my EF 24-105 F4 L IS USM - JPG NR-ON/ALO-ON (these were the type of shots i would normally take on the 7D that are good to submit for work with very little tweaking if any - all in well lit environment - iso 100-1250 max: Tv 1/250, Auto-iso) Banding is noticeable on anything grey/dark to light - blacks are solid. LR colour NR does remove all visible banding with the slider at 50. (I'll try and post a sample tonight)

Speed - CF - Sandisk extreme pro 90MB/s <--not the card

The last test tonight/tomorrow will be in the studio with the EF 70-200 f2.8 L IS USM II in RAW (dpp -> Tiff -> LR)


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nesarajah

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You have a nail , you buy a hammer. It works. The end.
Look, if the nail is flush with the surface then all is fine, if it isn't then you need to just hammer it harder or at a different angle.
Same thing with ALL cameras. Change some settings and the "flaws/bugs/banding" will go away. Also if light is an issue get a strobe. :)

ps . just a hobbyist, what would I know right ?



awinphoto

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From my experience, Even with ISO 100, on most cameras, it's possible to recreate banding... I shoot product photography and metalized materials on a reflective surface gives me strong banding at ISO 100.  Other materials aren't noticeable and looks flawless...  what surface is the banding occurring on?  a highly reflective surface?  Skin tones should be porous enough to break the banding...  As for the slow FPS, if you have the camera on focus first/speed second it will only fire when it's "sure" it's got focus... Also remember the 7d has a separate processor JUST FOR AF... the 5d3 doesn't.  Its processor is faster than the digic 4's, supposedly, but it isn't a miracle worker, and is suspect in less challenging situations, it should be able to get 6FPS if set to do so.  The AF point illumination is a problem but is easily fixable via firmware. 
Canon 5d III, Canon 24-105L, Canon 17-40L, Canon 70-200 F4L, Canon 100L 2.8, 430EX 2's and a lot of bumps along the road to get to where I am.

RuneL

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Banding is also 40.000 worse on jpeg than tiff or raw or any other losless format. To combat jpeg banding you need to add noise.

altenae

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Re: 5d3 2 day experience coming from a 7D - Canon responses included...
« Reply #10 on: May 10, 2012, 12:28:31 PM »
Quote
7d has a separate processor JUST FOR AF... the 5d3 doesn't. 

Not true.

The 5D Mark III has a dedicated processor for the AF:

From the Canon site (and many many other sites)

Both the 1D X and the 5D Mark III use dedicated AF microprocessors; these AF microprocessors are not DIGIC chips. The increased sensitivity of the focus system has also allowed for faster predictive focus measurements. Increased processing power is another factor to the 5D III's excellent AF performance - "The dedicated AF processor is four times faster than the one found in the EOS-1D Mark IV.


Also my 5D mark III is very close to 6 FPS.
Not sure why his 5D mark III is slow !! , make sure noise reduction is also off and battery fully charged.

Noisy images at 100 ISO !!!! , please post sample images so that we can see what is wrong.
If your 7D output is less noisy then for sure something is wrong.
« Last Edit: May 10, 2012, 12:36:08 PM by altenae »

marekjoz

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Re: 5d3 2 day experience coming from a 7D - Canon responses included...
« Reply #11 on: May 10, 2012, 12:32:24 PM »
Banding is also 40.000 worse on jpeg than tiff or raw or any other losless format. To combat jpeg banding you need to add noise.

How did you calculate it? :)
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WarStreet

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Re: 5d3 2 day experience coming from a 7D - Canon responses included...
« Reply #12 on: May 10, 2012, 12:41:18 PM »
If the battery is about 40% or below, I'd drops to around 4fps. If the fps is inconsistent during servo, than there is a good chance it is due to the speed/focus priority as mentioned by awinphoto. This can be found on AF2 menu.

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Re: 5d3 2 day experience coming from a 7D - Canon responses included...
« Reply #12 on: May 10, 2012, 12:41:18 PM »

pdirestajr

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Re: 5d3 2 day experience coming from a 7D - Canon responses included...
« Reply #13 on: May 10, 2012, 01:04:39 PM »
I've never had a problem with banding on a low ISO photo... unless it was severely underexposed & I was attempting to save it. And in that case, it's user error not the camera's.
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awinphoto

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Re: 5d3 2 day experience coming from a 7D - Canon responses included...
« Reply #14 on: May 10, 2012, 01:07:55 PM »
Quote
7d has a separate processor JUST FOR AF... the 5d3 doesn't. 

Not true.

The 5D Mark III has a dedicated processor for the AF:

From the Canon site (and many many other sites)

Both the 1D X and the 5D Mark III use dedicated AF microprocessors; these AF microprocessors are not DIGIC chips. The increased sensitivity of the focus system has also allowed for faster predictive focus measurements. Increased processing power is another factor to the 5D III's excellent AF performance - "The dedicated AF processor is four times faster than the one found in the EOS-1D Mark IV.


Also my 5D mark III is very close to 6 FPS.
Not sure why his 5D mark III is slow !! , make sure noise reduction is also off and battery fully charged.

Noisy images at 100 ISO !!!! , please post sample images so that we can see what is wrong.
If your 7D output is less noisy then for sure something is wrong.

Fair enough that the 5d3 has a microprocessor, although unspecified by canon, it is unknown what the power that processor is compared to a full digic. As far as it was explained to me, the 7d's drive was aided by 2 digic 4 processors, much like the 1d4's 2 processors helped that AF system and drive.  The 1dx also has 2 digic 5+ processors to help that drive and buffer.  The 5d3 has 1 digic 5+ processor in comparison to the 7d and 1d4 and 1dx 2 digic processors.  It has been hinted that the 5d3's 1 processor should be (in af terms) be as good if not better than the 1d4 although it lacks in FPS and buffer, it is what it is. 
Canon 5d III, Canon 24-105L, Canon 17-40L, Canon 70-200 F4L, Canon 100L 2.8, 430EX 2's and a lot of bumps along the road to get to where I am.

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Re: 5d3 2 day experience coming from a 7D - Canon responses included...
« Reply #14 on: May 10, 2012, 01:07:55 PM »