Nikon D90 user manual 213, Trim Image Quality and Size, Possible sizes

Trim

Create a cropped copy of the selected photograph. The selected photograph is displayed with the selected crop shown in yellow; create a cropped copy as described in the following table.

To	Use	Description
Increase size of crop	X	Press the X button to increase the size of the crop.
Reduce size of crop	W	Press the W button to reduce the size of the crop.
Change crop aspect		Rotate the main command dial to switch between aspect
ratio		ratios of 3 : 2, 4 : 3, and 5 : 4.
Move crop		Use multi selector to move the crop to another area of the
		image.

Preview crop

Press center of multi selector to preview cropped image.

Create copy

J

Save the current crop as a separate file.

DTrim: Image Quality and Size

Copies created from NEF (RAW) or NEF (RAW) + JPEG photos have an image quality of JPEG fine (pg. 62); copies created from JPEG photos have the same image quality as the original. The size of the copy varies with crop size and aspect ratio.

Aspect ratio	Possible sizes
3 : 2	3,424 × 2,280, 2,560 × 1,704, 1,920 × 1,280, 1,280 × 856, 960 × 640, 640 × 424
4 : 3	3,424 × 2,568, 2,560 × 1,920, 1,920 × 1,440, 1,280 × 960, 960 × 720, 640 × 480
5 : 4	3,216 × 2,568, 2,400 × 1,920, 1,808 × 1,440, 1,200 × 960, 896 × 720, 608 × 480

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