Nikon D5100 - Manual (Page 44)

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Image Size
Image size is measured in pixels. Choose from the following options:
1
Place the cursor in the information display.
If shooting information is not displayed in the monitor, press the P button.
Press the P button again to place the cursor in the information display.
2
Display image size options.
Highlight the current image size in the
information display and press
J.
3
Choose an image size.
Highlight an option and press J. To return to
shooting mode, press the shutter-release button
halfway.
Image size Size (pixels) Print size (cm/in.) *
# Large 4,928 Ч 3,264 41.7 Ч 27.6/16.4 Ч 11.4
$ Medium 3,696Ч 2,448 31.3 Ч 20.7/12.3 Ч 8.2
% Small 2,464 Ч 1,632 20.9 Ч 13.8/8.2 Ч 5.4
* Approximate size when printed at 300 dpi. Print size in inches equals image size in pixels
divided by printer resolution in dots per inch (dpi; 1 inch=approximately 2.54 cm).
Information display P button
A
File Names
Photographs are stored as image files with names of the form “DSC_nnnn.xxx,” where nnnn
is a four-digit number between 0001 and 9999 assigned automatically in ascending order by
the camera, and xxx is one of the following three letter extensions: “NEF” for NEF images,
“JPG” for JPEG images, or “MOV” for movies. The NEF and JPEG files recorded at a setting of
NEF (RAW)+JPEG have the same file names but different extensions.