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FORUMS Post Processing, Marketing & Presenting Photos Video and Sound Editing 
Thread started 29 Oct 2009 (Thursday) 00:28
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7D sample clip(19secs), Noise.

 
shaker69
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Location: Glendale, CA
     
Oct 29, 2009 00:28 |  #1

I used the kit lens 18-135, auto settings. Is this vid too noisy?

I e-mailed Canon USA and attached a sample pic taken at ISO 1600, and this vid and the canon rep commented on both that it's noisier than what it's supposed to be, and that I can send back the camera to Irvine if I want so they can check the camera.

http://www.vimeo.com/7​178800 (external link)

Edit: Shooting info.
File Name MVI_0182.MOV
Camera Model Canon EOS 7D
Firmware Firmware Version 1.0.9
Shooting Date/Time 10/20/2009 9:02:43 PM
Owner's Name
Shooting Mode Movie
Metering Mode Center-Weighted Average Metering
Exposure Compensation 0
ISO Speed Auto
Auto ISO Speed ON
Lens 17-50mm
Focal Length 17.0 mm
Image Size 1920x1080
Movie Recording Time 19.6
Frame Rate 29.97
Flash Off
FE lock OFF
White Balance Mode Auto
AF Mode One-Shot AF
Picture Style Landscape
Sharpness 4
Contrast 0
Saturation 0
Color tone 0
Color Space sRGB
Long exposure noise reduction 2:On
High ISO speed noise reduction 0:Standard
Highlight tone priority 0:Disable
Auto Lighting Optimizer 0:Standard
Peripheral illumination correction Enable
File Size 114639 KB
Drive Mode Movie shooting
Live View Shooting ON
Date/Time(UTC)
Latitude
Longitude
Altitude
Geographic coordinate system
Camera Body No. 0220107165

Thanks.


7D/XTi/100 2.8/50 1.8/18-135/S30 1.4/T11-16 2.8/100-400L IS

  
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Trey ­ T
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Oct 29, 2009 00:39 |  #2

a full spec on your exposure might help determine.




  
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Right ­ Cranium ­ Imaging
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Oct 29, 2009 00:48 |  #3

I would be more concerned that you have that nice big TV and you are watching Dancing with the Stars ??? :)


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shaker69
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Oct 29, 2009 01:09 |  #4

Right Cranium Imaging wrote in post #8915888 (external link)
I would be more concerned that you have that nice big TV and you are watching Dancing with the Stars ??? :)

Lol. I was watching the previous program.


7D/XTi/100 2.8/50 1.8/18-135/S30 1.4/T11-16 2.8/100-400L IS

  
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shaker69
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Oct 29, 2009 01:14 |  #5

Trey T wrote in post #8915865 (external link)
a full spec on your exposure might help determine.

It was on auto. How do I get the clip info?

Edit: Here's what I got
File Name MVI_0182.MOV
Camera Model Canon EOS 7D
Firmware Firmware Version 1.0.9
Shooting Date/Time 10/20/2009 9:02:43 PM
Owner's Name
Shooting Mode Movie
Metering Mode Center-Weighted Average Metering
Exposure Compensation 0
ISO Speed Auto
Auto ISO Speed ON
Lens 17-50mm
Focal Length 17.0 mm
Image Size 1920x1080
Movie Recording Time 19.6
Frame Rate 29.97
Flash Off
FE lock OFF
White Balance Mode Auto
AF Mode One-Shot AF
Picture Style Landscape
Sharpness 4
Contrast 0
Saturation 0
Color tone 0
Color Space sRGB
Long exposure noise reduction 2:On
High ISO speed noise reduction 0:Standard
Highlight tone priority 0:Disable
Auto Lighting Optimizer 0:Standard
Peripheral illumination correction Enable
File Size 114639 KB
Drive Mode Movie shooting
Live View Shooting ON
Date/Time(UTC)
Latitude
Longitude
Altitude
Geographic coordinate system
Camera Body No. 0220107165


7D/XTi/100 2.8/50 1.8/18-135/S30 1.4/T11-16 2.8/100-400L IS

  
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DBJ
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Oct 29, 2009 03:35 |  #6

Looks about right.


7D | 500D | 350D || 11-16mm 2.8 | 15-85mm IS | 17-55mm 2.8 IS | 24-70mm 2.8L | 24-105mm 4L IS | 70-200mm 2.8L | 70-200mm 4L IS | 30mm 1.4 | 50mm 1.4 | 85mm 1.8 | 135mm 2L || 18-55mm | 18-55mm IS | 100-300mm | 50mm 1.4 nikkor | 50mm 2.5 || 580EX II | 430EX II x2

  
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Trey ­ T
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Oct 29, 2009 09:12 |  #7

try again and shoot in manual mode and jot down the exposure setting.

keep the shutter around 1/60sec and aperture as wide as you can.




  
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shaker69
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Location: Glendale, CA
     
Oct 29, 2009 20:15 |  #8

Trey T wrote in post #8917293 (external link)
try again and shoot in manual mode and jot down the exposure setting.

keep the shutter around 1/60sec and aperture as wide as you can.

I'm assuming the same lighting?


7D/XTi/100 2.8/50 1.8/18-135/S30 1.4/T11-16 2.8/100-400L IS

  
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jwcdds
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Oct 29, 2009 21:27 |  #9

If you plan on shooting video in the dark often, then you better get some wider aperture lenses (primes), but you'll end up contending with shallow DoF.

Here's my clip of my cat. Only lighting is 2 60watt light bulbs on a wall lamp that is 15 feet away from the cat/chair. Shot with my 24L.

http://www.vimeo.com/7​122354 (external link)

Looks like the camera probably chose iso6400 and still struggled with the light level.


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Palladium
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Oct 29, 2009 21:32 |  #10

Trey T wrote in post #8917293 (external link)
try again and shoot in manual mode and jot down the exposure setting.

keep the shutter around 1/60sec and aperture as wide as you can.

Hi Trey - You nailed the 64,000 question. keeping the ss at either 1/50 or 1/60 is the key to getting really great video.




  
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DBJ
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Oct 29, 2009 21:54 |  #11

In the manual it says to keep the shutter speed between 1/30 to 1/125.


7D | 500D | 350D || 11-16mm 2.8 | 15-85mm IS | 17-55mm 2.8 IS | 24-70mm 2.8L | 24-105mm 4L IS | 70-200mm 2.8L | 70-200mm 4L IS | 30mm 1.4 | 50mm 1.4 | 85mm 1.8 | 135mm 2L || 18-55mm | 18-55mm IS | 100-300mm | 50mm 1.4 nikkor | 50mm 2.5 || 580EX II | 430EX II x2

  
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carianoff
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Oct 29, 2009 22:09 as a reply to  @ DBJ's post |  #12

I always heard the magic happens up around the 140's?

Anyway, I've had noise problems on AV and TV but M mode seems to act much better for me. especially in low light.

After all my initial tests, i'm never going to use an auto or semi auto mode again.

and to jwcdds / Julian Chen what is it about 7D tests and Cats? :)
http://www.vimeo.com/7​256522 (external link)


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DBJ
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Oct 29, 2009 22:16 |  #13

You're going to get noise using ISO1600 and higher, that's expected, especially if much of the frame is underexposed like in the OP's video.

I prefer to set shutter speeds slower and use lower ISO settings. The video may not look as crisp, but you avoid more choppiness and noise.


7D | 500D | 350D || 11-16mm 2.8 | 15-85mm IS | 17-55mm 2.8 IS | 24-70mm 2.8L | 24-105mm 4L IS | 70-200mm 2.8L | 70-200mm 4L IS | 30mm 1.4 | 50mm 1.4 | 85mm 1.8 | 135mm 2L || 18-55mm | 18-55mm IS | 100-300mm | 50mm 1.4 nikkor | 50mm 2.5 || 580EX II | 430EX II x2

  
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C2S
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Oct 30, 2009 02:45 |  #14

Are slower exposure times (for video) enabled when you're using lower frames-per-second modes? That is: 1/30 in 30 fps mode, but 1/24 in 24 fps mode only. (and 1/20 in 20 fps, etc) I would think that it should be possible.

Unfortunately I don't have manual video mode in my camera, only automatic, so I have to ask.


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DBJ
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Oct 30, 2009 02:54 |  #15

C2S wrote in post #8922715 (external link)
Are slower exposure times (for video) enabled when you're using lower frames-per-second modes? That is: 1/30 in 30 fps mode, but 1/24 in 24 fps mode only. (and 1/20 in 20 fps, etc) I would think that it should be possible.

Unfortunately I don't have manual video mode in my camera, only automatic, so I have to ask.

1/30 is the slowest available for 24 and 30 fps.


7D | 500D | 350D || 11-16mm 2.8 | 15-85mm IS | 17-55mm 2.8 IS | 24-70mm 2.8L | 24-105mm 4L IS | 70-200mm 2.8L | 70-200mm 4L IS | 30mm 1.4 | 50mm 1.4 | 85mm 1.8 | 135mm 2L || 18-55mm | 18-55mm IS | 100-300mm | 50mm 1.4 nikkor | 50mm 2.5 || 580EX II | 430EX II x2

  
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7D sample clip(19secs), Noise.
FORUMS Post Processing, Marketing & Presenting Photos Video and Sound Editing 
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