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@MEB Does this mean that the raw file contains information as to where you were focussing when you took the picture? I had not realized that this was possible.

John


Windows 10, Affinity Photo 1.7 and Designer 1.7, (mainly Photo), now ex-Adobe CC

CPU: AMD A6-3670. RAM: 16 GB DDR3 @ 666MHz, Graphics: 2047MB NVIDIA GeForce GT 630

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18 minutes ago, John Rostron said:

 Does this mean that the raw file contains information as to where you were focussing when you took the picture? I had not realized that this was possible.

I think that would not work, because it is rather a layer than a point. Also, you might have manually fixed the autofocus to a specific image spot and then, with holding this focus, moved the camera slightly for a different motive section.

In a camera you may have options for Auto-Focus, for instance 1 point in the center, 6 points around center, etc.. This setting can be saved with a RAW and is something looking like this:

canon7d-afpoints0.jpg


macOS 10.12.6,  Macbook Pro 15" + Eizo 24"

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46 minutes ago, thomaso said:

Also, you might have manually fixed the autofocus to a specific image spot and then, with holding this focus, moved the camera slightly for a different motive section.

That's true, but the camera does record the info, and some will display it. Theoretically the camera could omit the AF data if it's going to be inaccurate because the user locked the AF, but I don't know if they do that.


-- Walt

Windows 10 Home, version 1903 (18362.356), 16GB memory, Intel Core i7-6700K @ 4.00Gz, GeForce GTX 970
Affinity Photo 1.7.3.481 and 1.8.0.486 Beta   / Affinity Designer 1.7.3.481 and 1.8.0.486 Beta  / Affinity Publisher 1.7.3.481 and 1.7.3.475 Beta

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12 hours ago, John Rostron said:

@MEB Does this mean that the raw file contains information as to where you were focussing when you took the picture? I had not realized that this was possible.

RAW format files can include a huge amount of embedded metadata about each shot, including metering mode, focal point(s), & sometimes even the compass direction the camera was facing & its elevation above sea level if it is GPS enabled. Whether that metadata is included in the file, is accurate, & is in a format that can be decoded & used by Affinity Photo is a different matter entirely.


Affinity Photo 1.7.3, Affinity Designer 1.7.3, Affinity Publisher 1.7.3; macOS High Sierra 10.13.6 iMac (27-inch, Late 2012); 2.9GHz i5 CPU; NVIDIA GeForce GTX 660M; 8GB RAM
Affinity Photo 1.7.3.155 & Affinity Designer 1.7.3.1 for iPad; 6th Generation iPad 32 GB; Apple Pencil; iPadOS 13.1.2

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