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Archive 2013 · Canon 7D pixel density

  
 
Imagemaster
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p.2 #1 · p.2 #1 · Canon 7D pixel density


gome1122 wrote:
As RobDickinson said, it is good at anything below ISO 800. But above that, not as good.


Yes, I would never consider shooting at ISO's higher than 800 with a 7D.
























Jan 14, 2013 at 09:35 PM
Liquidstone
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p.2 #2 · p.2 #2 · Canon 7D pixel density


Jeff Nolten wrote:
Romy, weren't you very skeptical of the 7D when you first worked with it?



You're right, Jeff. Early on, I was concerned with the noise, but later I learned how to PP 7D files such that noise became acceptable to my taste.

We had a long thread on 7D's noise a while back:
https://www.fredmiranda.com/forum/topic/1143454/0



Jan 14, 2013 at 09:49 PM
skibum5
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p.2 #3 · p.2 #3 · Canon 7D pixel density


gome1122 wrote:
I have a Canon 7D and I've been noticing , it doesn't have the greatest sensor. I think that it is the pixel density of the camera. It's a bit too high. It causes lots of unwanted noise and it isn't ideal for cropping. Anyone else have any thoughts on this? Is it just me?


It actually produces images with a trace LESS noise per area of sensor than the fabled 5D2.



Jan 14, 2013 at 10:25 PM
NCAndy
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p.2 #4 · p.2 #4 · Canon 7D pixel density


In my use of the 7D indoors, shooting sports, I found the camera especially intolerant of underexposure. As long as I exposed to the right as much as practical for the scene then all was good at 5000 ISO or even 6400. Most people probably are aware of this by now but thought I'd post anyway.


Jan 14, 2013 at 11:03 PM
Gochugogi
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p.2 #5 · p.2 #5 · Canon 7D pixel density


Careful PP on 7D RAW makes wonderful images even well above ISO 800. I often use it for night photography:

http://emedia.leeward.hawaii.edu/frary/southwest_images/Paris_2538adsign.jpg

http://emedia.leeward.hawaii.edu/frary/southwest_images/Aria_4041sign.jpg

http://emedia.leeward.hawaii.edu/frary/chinatown_images/Chinatown_3612sign.jpg



Jan 15, 2013 at 12:19 AM
RogerC11
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p.2 #6 · p.2 #6 · Canon 7D pixel density


The 18meg sensor shared by many of the canon crop bodies is capable of fantastic image quality at high ISO values. As said before, processing is the key to get the most out of it. That said, I am getting pretty good results even out of ISO 1600 crops.





Jan 15, 2013 at 01:07 AM
Ferrophot
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p.2 #7 · p.2 #7 · Canon 7D pixel density


Compared to what went before it in crop cameras the 7D is a significant advance. I don't hesitate to go to ISO 3200+ with mine. Compared with current full frame cameras it probably lacks a bit. I find shooting moving targets out doors in cloudy and overcast weather presents some challenges such as getting sky detail and tones and at the same time getting the subject well lit. At present I use grad filters for this but it would be nice to be able to do all in PP.
As a wildlife camera with a 100-400L it offers a pretty good compromise between cost and result, the next step up costs a lot more $s.

The problem the 7D has is it gets compared with FF cameras, not other crop cameras,



Jan 15, 2013 at 01:18 AM
Ian.Dobinson
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p.2 #8 · p.2 #8 · Canon 7D pixel density


gome1122 wrote:
I have a Canon 7D and I've been noticing , it doesn't have the greatest sensor. I think that it is the pixel density of the camera. It's a bit too high. It causes lots of unwanted noise and it isn't ideal for cropping. Anyone else have any thoughts on this? Is it just me?



Yep get out from under the bridge and go buy a 5D3 / 1Dx or 1D4 .
Of course you will need to change your lenses to ones with at leaste 1.6x more length (probably more as your cropping heavily) to get the best from them



Jan 15, 2013 at 02:54 AM
Paul Mo
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p.2 #9 · p.2 #9 · Canon 7D pixel density


These crop images look great. Although I vowed not to, I think I'm going to buy a 7D when the price truly bottoms out.


Jan 15, 2013 at 03:03 AM
alhajri
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p.2 #10 · p.2 #10 · Canon 7D pixel density


I've used the Canon 7D during the Bahrain Circuit Grand Prix Formula 1 race last year. It's amazing for fast moving cars. AI Servo with the fast 8 fps shooting made the cars focus clear with a nice bokeh in the background at f/4.

Imagemaster: That bird picture is amazing. What lens was that?

Kal



Jan 15, 2013 at 03:08 AM
Ian.Dobinson
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p.2 #11 · p.2 #11 · Canon 7D pixel density


alhajri wrote:
I've used the Canon 7D during the Bahrain Circuit Grand Prix Formula 1 race last year. It's amazing for fast moving cars. AI Servo with the fast 8 fps shooting made the cars focus clear with a nice bokeh in the background at f/4.

Yep loved mine at last years moto GP . Longest lens I had was the 100-400 and I still needed to crop heavily (so I didn't even bother using my mk2n
http://dobbie.smugmug.com/Other/SmugShots/i-3cksqBM/0/XL/Redding_Crop-XL.jpg

Imagemaster: That bird picture is amazing. What lens was that?

Kal


375mm so at a guess I would say the 100-400L . Another item on here that seems to get a bad rap .

So by general consensus from some parts of this forum a 7D/100-400 combo shouldn't be able to take any decent images



Jan 15, 2013 at 03:36 AM
Teper
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p.2 #12 · p.2 #12 · Canon 7D pixel density


I've been using my 7D for a year and a half. I came from a 40D, I think the 7D is an amazing camera, but it can be very sensitive and temper-mental at times. I find that the metering can be poor in some cases. The camera seems to struggle a bit in contrasty or harsh light. It tends to blow highlights much easier than the 40D. I think the 40D was a bit cleaner at iso100 to iso320.

However, I think the 7D has much better image quality and detail than the 40D overall. The 7D does things the 40D could only dream about, and I honestly find myself using the whole iso range except for iso12800. Of course, a full frame sensor would be better in difficult light, but to say the 7D is only good from iso100 to iso400 is just rubbish.

iso1250
http://sphotos-a.ak.fbcdn.net/hphotos-ak-ash3/553597_10150909183891503_1122616356_n.jpg

http://sphotos-c.ak.fbcdn.net/hphotos-ak-snc7/329250_10150990428166503_1122147969_o.jpg

iso2000
http://sphotos-g.ak.fbcdn.net/hphotos-ak-ash4/329108_10150990430541503_948202414_o.jpg

iso1600
http://sphotos-d.ak.fbcdn.net/hphotos-ak-prn1/614694_10150933566136503_1957567789_o.jpg

http://sphotos-g.ak.fbcdn.net/hphotos-ak-ash4/422302_10150933550511503_1493093112_n.jpg

iso3200
http://sphotos-d.ak.fbcdn.net/hphotos-ak-snc7/416720_10150489556936503_1009853365_o.jpg

iso5000
http://sphotos-c.ak.fbcdn.net/hphotos-ak-ash4/465866_10150787726756503_1165797955_o.jpg

http://sphotos-d.ak.fbcdn.net/hphotos-ak-snc7/429369_10150489557671503_40067648_n.jpg

iso6400
http://sphotos-b.ak.fbcdn.net/hphotos-ak-ash4/428837_10150933541561503_1096984235_n.jpg



Jan 15, 2013 at 04:29 AM
Ian.Dobinson
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p.2 #13 · p.2 #13 · Canon 7D pixel density


Teper wrote:
I've been using my 7D for a year and a half. I came from a 40D, I think the 7D is an amazing camera, but it can be very sensitive and temper-mental at times. I find that the metering can be poor in some cases. The camera seems to struggle a bit in contrasty or harsh light. It tends to blow highlights much easier than the 40D. I think the 40D was a bit cleaner at iso100 to iso320.

However, I think the 7D has much better image quality and detail than the 40D overall. The 7D does things the 40D
...Show more

"The 7D does things the 40D can only dream of"
Totally agree , 1st in that line is to focus on something that moves

I came from a 40D as well. iso 100-320 well I'm not sure the 40D is any cleaner but I will say when viewing the whole image (non of this 100% pixel peeping cr@p) its a pretty close thing . But I found with my old 40D 1600 was much worse than the 7D (again viewing te whole image)



Jan 15, 2013 at 04:43 AM
Bones74
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p.2 #14 · p.2 #14 · Canon 7D pixel density


Shutterbug2006 wrote:
I think it's just you. Many FM members have the 7D, and make wonderful cropped shots of a variety of subjects, especially birds in flight.


It's not just him, but satisfaction with sensor peformance is a subjective issue (see 5D3 ad nauseum) and as you say many users are skilled enough to create wonderful images with the 7D. I never liked the IQ of my 7D above ISO 800 but I loved using the camera, it's a fun camera to use. I lost a lot of pixel density/reach by selling it, but I dont regret it for a nano second



Jan 15, 2013 at 05:54 AM
gome1122
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p.2 #15 · p.2 #15 · Canon 7D pixel density


Ian.Dobinson wrote:
Yep get out from under the bridge and go buy a 5D3 / 1Dx or 1D4 .
Of course you will need to change your lenses to ones with at leaste 1.6x more length (probably more as your cropping heavily) to get the best from them

How I do wish I could afford something like that. Maybe after I get some better glass. But the thing I do like about the 7D is it has a high frame rate AND it is a crap. It's great for wildlife and sports outdoors.



Jan 15, 2013 at 06:32 AM
ardvorak
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p.2 #16 · p.2 #16 · Canon 7D pixel density


As has been discussed, there are different tools for different jobs. The 7D is a fantastic camera and I've had excellent results from it. I just don't expect it to do what it cannot do. If I am operating in low-light situations, I will reach for the 5D III almost every time. For wildlife photography, however, I grab the 7D, and will continue to until the 7D II is released. One of the benefits of this two-camera set up is that both handle almost the same, so there is little fumbling when hopping between the two.


Jan 15, 2013 at 08:10 AM
gome1122
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p.2 #17 · p.2 #17 · Canon 7D pixel density


ardvorak wrote:
As has been discussed, there are different tools for different jobs. The 7D is a fantastic camera and I've had excellent results from it. I just don't expect it to do what it cannot do. If I am operating in low-light situations, I will reach for the 5D III almost every time. For wildlife photography, however, I grab the 7D, and will continue to until the 7D II is released. One of the benefits of this two-camera set up is that both handle almost the same, so there is little fumbling when hopping between the two.

As an alternative camera for under $1500 what would you suggest for something like indoor shoots for sports? Maybe the 1D III is the best option?



Jan 15, 2013 at 10:49 AM
Imagemaster
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p.2 #18 · p.2 #18 · Canon 7D pixel density


alhajri wrote:
I've used the Canon 7D during the Bahrain Circuit Grand Prix Formula 1 race last year. It's amazing for fast moving cars. AI Servo with the fast 8 fps shooting made the cars focus clear with a nice bokeh in the background at f/4.

Imagemaster: That bird picture is amazing. What lens was that?

Kal


Thanks. The Kingfisher was taken with the 100-400.

Tony



Jan 15, 2013 at 11:22 AM
Jeff Nolten
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p.2 #19 · p.2 #19 · Canon 7D pixel density


gome1122 wrote:
As an alternative camera for under $1500 what would you suggest for something like indoor shoots for sports? Maybe the 1D III is the best option?


It would be a tradeoff between a 7D and 1D3 as well. As the consensus above shows the 7D is a fine camera for action and wildlife. You will need to learn how to optimize its handling and post processing. We all went through a learning curve with it. The thread that Liquidstone posted above is a good one that I learned a lot from.

Here is my summary from that thread:
expose to the right,
keep your shutter speed high,
take a short burst of frames,
get some insurance shots before you go for the gold,
keep your raw conversion NR and sharpening detail low,
do selective NR and sharpening later on in post,
and do a final image size reduction to match the 100% view you can live with.

The thread has specific NR and sharpening settings to play with. It is good to review from time to time. Enjoy learning your camera.



Jan 15, 2013 at 01:48 PM
gome1122
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p.2 #20 · p.2 #20 · Canon 7D pixel density


Jeff Nolten wrote:
It would be a tradeoff between a 7D and 1D3 as well. As the consensus above shows the 7D is a fine camera for action and wildlife. You will need to learn how to optimize its handling and post processing. We all went through a learning curve with it. The thread that Liquidstone posted above is a good one that I learned a lot from.

Here is my summary from that thread:
expose to the right,
keep your shutter speed high,
take a short burst of frames,
get some insurance shots before you go for the gold,
keep your raw
...Show more
That's what I thought. Would the 1D III be better at high ISO because I will probably get another 7D just so there is no learning curve and crop factor that I would have to switch between. Also you say expose to the right. I generally expose to the left to get a darker image. I also read somewhere that if you have a darker image it is easier to recover some detail. Am I just understanding to the right wrong. I go by the Canon metering and to the right to me has always been brighter.



Jan 15, 2013 at 03:04 PM
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