LAB 7: Save the Pixels

1) ISO 400

 Correctly exposed

Correctly exposed

 Underexposed

Underexposed

 Overexposed

Overexposed

The correctly exposed image is clearly the best one, because it keeps the white background white and doesn't overexpose his skin or hair, and also doesn't darken the image to the point where the flaws in the white backdrop can be seen.

2) ISO 1600

 Correctly exposed

Correctly exposed

 Correctly exposed (100%)

Correctly exposed (100%)

 Underexposed (100%)

Underexposed (100%)

The noise is worse in the underexposed image.

3) RAW vs JPEG

 Whole JPEG

Whole JPEG

 RAW 100%

RAW 100%

 JPEG 100%

JPEG 100%

The JPEG image is quite pixelated at 100%, whereas the RAW image is not.