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Occasional Contributor
Posts: 6
Registered: ‎10-24-2018
Accepted Solution

JPG format is not responding

Hello people,

 

I'm new here and I hopa you can help me. I have a Canon 6D , I normally shoot on Raw but yesterday I did it on jpg format M quality , when I downloaded them they became about 900 kb ! None is over 1.3 MG . I have no idea what could 've happended. I reset the camera.

Thank you very much !

 

 

VIP
Posts: 8,488
Registered: ‎08-13-2015

Re: JPG format is not responding

I think the 6D creates 8-9 MB files at that resolution and format.  You can check the file size in the camera when you review the images saved on the memory card.

 

Where did you save the downloaded files?  Some software and devices can automatically downscale the size of JPEG files.

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"I don't rent software. I use Photoshop CS6, ACR 9.8 and Lightroom 6.8 ."
Occasional Contributor
Posts: 6
Registered: ‎10-24-2018

Re: JPG format is not responding

I think the 6D creates 8-9 MB files at that resolution and format.

Yes ! but for some reason stop doing it. The maxime size I get is 2 MG on L quality .

 

You can check the file size in the camera when you review the images saved on the memory card.

I did it already and it shows the problem on the display 

 

Where did you save the downloaded files?  Some software and devices can automatically downscale the size of JPEG files.

On my desktop ( IMac OS High sierra ) . I've tried in different computers and nothing changes.

 

Thank you sooo much !! I have no idea what's going on..

VIP
Posts: 8,488
Registered: ‎08-13-2015

Re: JPG format is not responding

If you have reset the camera, and it still reports the small file size when you playback images, then the problem is with the camera.  

 

I should point out that I had Apple products in mind when I said some software and devices change the file size.  What application are you using to download the files to your desktop?

 

I suggest that you take some more photos, but do not download them.  Check the file sizes in the camera before you download them, and check what camera shows again after you download them.

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"I don't rent software. I use Photoshop CS6, ACR 9.8 and Lightroom 6.8 ."
Esteemed Contributor
Posts: 3,467
Registered: ‎02-17-2016

Re: JPG format is not responding

What is the actual resolution of the files in pixels? JPEGs can vary a lot depending on ISO and image content. If you are taking a picture of a blank wall, or a high-key image of some jewelry, the files might be very small.

 

(You can demonstrate for yourself the relationship between ISO and file size by looking at the number of JPEGS you can store on the card while changing the ISO).

Occasional Contributor
Posts: 6
Registered: ‎10-24-2018

Re: JPG format is not responding

Hello!

 

I took 3 photos ( ISO 400 ) and these are the results:

 

Jpg L quality 3.3 Mb - 5472x3648 px 

 

Jpg M quality 1.5 Mg - 3648 x 2432 px

 

Jpg S quality 582 Kb - 3648 x 2432 px

 

Any idea? Thank you so much !

Esteemed Contributor
Posts: 3,467
Registered: ‎02-17-2016

Re: JPG format is not responding

L, Mand S are *sizes* not quality. Are you using coarse or fine quality?

Esteemed Contributor
Posts: 3,467
Registered: ‎02-17-2016

Re: JPG format is not responding

Oh and don't confuse the image size in MPixels with the file size.

 

size.jpg

 

quality.jpg

 

Other than the wierdness that the M and S are the same pixel size your numbers are consistent with a coarse quality.

VIP
Posts: 11,505
Registered: ‎12-07-2012

Re: JPG format is not responding

"Any idea? Thank you so much !"

 

Nothing is wrong.  It is working correctly. You are looking for a problem that isn't there.

EOS 1DX and 1D Mk IV and several lenses!
Occasional Contributor
Posts: 6
Registered: ‎10-24-2018

Re: JPG format is not responding

Yes ! you're absolutely right, my mistake. I'm using fine quality.

thank you !!

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