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is the root of all photography

“Which manipulations can be done to a TCQ photograph” is largely determined by whether they are “light”-related or not.

How TCQ uses the behavior of light to “draw the line” on manipulation:

• After a photo is taken, its “light”-related parts (tones and colors) must be corrected when they misrepresent the appearance of the scene (as per Q7).

• But after a photo is taken, the non-“light” related parts (forms and shapes) cannot be changed except in a very few select ways — not even to make the photo “look more like” the scene depicted (as per Q2).

For much more on this, see the brief on light.

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