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Canon 40D Noise @ ISO 800-1600
Anyone done any noise comparisons between the 20D/30D and the 40D, mainly at
ISO 800-1600 (without the noise reduction feature on)? Is the 40D noisier due to smaller pixel pitch? I have heard that the metering on the 40D keeps the shutter open for longer than the 20D/30D under the same conditions, maybe to help reduce noise? |
#2
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Canon 40D Noise @ ISO 800-1600
On Dec 15, 12:39 pm, "Ali" wrote:
Anyone done any noise comparisons between the 20D/30D and the 40D, mainly at ISO 800-1600 (without the noise reduction feature on)? Is the 40D noisier due to smaller pixel pitch? I have heard that the metering on the 40D keeps the shutter open for longer than the 20D/30D under the same conditions, maybe to help reduce noise? You can check some shots taken at various ISOs between 40D and Xti, as well as many other cameras. I could not find i,age comparison with the 5D, 20D or 30D though. Check it out at http://www.imaging-resource.com/IMCOMP/COMPS01.HTM and pick the cameras from a list for comparisons I hope that this help you |
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Canon 40D Noise @ ISO 800-1600
"Ali" wrote in message ... Anyone done any noise comparisons between the 20D/30D and the 40D, mainly at ISO 800-1600 (without the noise reduction feature on)? Is the 40D noisier due to smaller pixel pitch? I have heard that the metering on the 40D keeps the shutter open for longer than the 20D/30D under the same conditions, maybe to help reduce noise? Check dpreview.com, I think they have noise graphs on there. |
#4
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Canon 40D Noise @ ISO 800-1600
In message , Ali
writes Anyone done any noise comparisons between the 20D/30D and the 40D, mainly at ISO 800-1600 (without the noise reduction feature on)? Is the 40D noisier due to smaller pixel pitch? I have heard that the metering on the 40D keeps the shutter open for longer than the 20D/30D under the same conditions, maybe to help reduce noise? http://www.the-digital-picture.com/R...igital-SLR-Cam era-Review.aspx Regards, -- Neil Pugh |
#5
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Canon 40D Noise @ ISO 800-1600
On Dec 15, 1:39 pm, "Ali" wrote:
Anyone done any noise comparisons between the 20D/30D and the 40D, mainly at ISO 800-1600 (without the noise reduction feature on)? Is the 40D noisier due to smaller pixel pitch? I have heard that the metering on the 40D keeps the shutter open for longer than the 20D/30D under the same conditions, maybe to help reduce noise? I just did a quick comparison of my 20D and my 40D. I shot a Gretag MacBeth Colorchecker chart at each ISO. You would be hard pressed to tell the difference between them, except for the larger image size from the 40D. Here are two actual size crops from the comparison: http://www.pbase.com/bret/image/90404069/original |
#6
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Canon 40D Noise @ ISO 800-1600
Cheers all.
"Ali" wrote in message ... Anyone done any noise comparisons between the 20D/30D and the 40D, mainly at ISO 800-1600 (without the noise reduction feature on)? Is the 40D noisier due to smaller pixel pitch? I have heard that the metering on the 40D keeps the shutter open for longer than the 20D/30D under the same conditions, maybe to help reduce noise? |
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