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RAW refers to any of several native data formats that contain the full data captured by the sensor. Typically these are proprietary formats, and each company uses its own.

0 votes

Do raw images of the same camera have the same size?

Currently used RAW files (file extension ".ARW") come in 2 types: 8 bits per pixel (called "Compressed RAW") and 16 bits per pixel ("Uncompressed RAW"). … Actual file sizes fluctuate a bit because of the embedded JPEG preview but the RAW data itself is always constant size. …
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1 vote

Can in-camera JPEG have image quality advantages over (third party software) converted RAW?

In-camera JPEG could be theoretically better than RAW, in cases where RAW file does not transfer truly raw data from sensor - manufacturers do it to reduce file size ("compressed RAW"). … Of course one may argue that technically this answer is off topic, because compressed RAW is no longer RAW, however people still call it RAW and most of them do not know the consequences. …
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2 votes

How sharp are RAW photos before processing?

is it normal that the RAW sensor readings are more blurry than the image focused by the lens? …
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7 votes

How does software exposure compensation work in RAW files?

There is nothing special or magical in RAW files. When it comes to exposure and balance, RAW files just store more information about colors, than JPEG files do. … More precision (like in RAW files) means more information about differences, means more room for "adding light". …
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5 votes

What is lost when RAW is exported to TIFF for editing?

By exporting to TIFF (and any other format using RGB pixels) you lose the ability to use different demosaicing algorithms. Demosaicing influences noise reduction, picture sharpness and false color (mo …
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12 votes
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What is the purpose of gamma correction in today's screens and how does it relate to graphic...

from Charles Poynton "The rehabilitation of gamma": Misconception: The nonlinearity of a CRT monitor is a defect that needs to be corrected. Fact: The nonlinearity of a CRT is very nearly th …
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3 votes

Why use JPEG instead of RAW?

for sharing (JPEG can be used everywhere) will usually look better out of the box, because of the automated in-camera treatment and "intelligent shooting modes", including quick-and-easy HDR (while for RAW
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1 vote

How can I bump up shadows in post without overexposing the image?

Is there a setting that will make both images work? The setting is called "High Dynamic Range", perhaps with tonemapping (depending on the intended output). Modern cameras (like Google Pixel 3 or …
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1 vote

How does a modern digital camera process to jpg?

12-bit RAW form, which can only barely be squeezed into 8-bit JPEG. … Raw sensor data is linear while JPEG (and PNG and display screens in general) are gamma corrected. …
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