Alley in Pisa, Italy

by Lars Kotthoff

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The problem is in the Thumbnail — that's what really shows in the camera. If you check the jpg files created by the camera and generated by most programs, they have thumbnails with offsets and completely different sizes. I think the camera looks for a marker for specific offset which the camera and other programs, including VIEWNX2, are able to generate. ...


I don't know the actual reason for JPEG/RAW mode, but it's the mode I use most of the time. Occasionally somebody asks me for a particular photo, and it's easier, faster, and more convenient to give them the JPEG than to load it on my laptop and edit in LightRoom or Capture One. RAW + JPEG is also nice because sometimes the out of camera JPEG is "good ...


My understanding is that the convention of RAW+JPEG started early in pro digital photography (like Sports Illustrated at a bowl game) when computers were slower than they are today and RAW file tools more cumbersome to use. The idea would be that Photo Editors would look through the JPEG files to find the shots they needed. They then sent the corresponding ...


In-camera .jpg produces more accurate colors. At least, that is my experience, especially with artificial lighting. For an example where post-production converters failed, see here. Not only did Lightroom fail, but the raw converter from the same manufacturer could not even produce the right colors. I was really glad I happened to have raw+jpg enabled that ...


The actual screen representation of a jpeg file (or any other graphic file) is different from the one which lies in the file. Because JPEG is a lossy compression, the JPEG cannot be converted BACK to the original bitmap (the one which was saved by camera and/or another program). It is converted to one (or more) new bitmap(s) which can be (and is) dependent ...


I shoot JPEG + RAW when I use my older cameras with bad displays such as the 1Ds mk II. The display of that camera is almost useless (but the image quality is great) and I need another way of quickly confirm that focus is correct etc. I use a WiFi enabled memory card to transfer the JPEG:s to my tablet for quick review and then I import the RAW files to my ...


Yes. How else could it be displayed? The screen needs to show the actual pixels, not an abstracted mathematical representation of them. Perhaps more crucially, a JPEG needs to be converted to a bitmap to be edited, which is why re-saving an image in JPEG can cause artifacts and loss of detail even if you don't change anything.

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