Image Quality And Size; Image Quality - Nikon D3100 User Manual

Image Quality and Size

Together, image quality and size determine how much space each photograph
occupies on the memory card. Larger, higher quality images can be printed at larger
sizes but also require more memory, meaning that fewer such images can be stored
on the memory card (0 187).

Image Quality

Choose a file format and compression ratio (image quality).
Option File type
NEF/
NEF (RAW) +
JPEG
JPEG fine
NEF
NEF (RAW)
JPEG fine
JPEG normal JPEG
JPEG basic
1
Place the cursor in the information display.
If shooting information is not displayed in the monitor, press the P button.
z
Press the P button again to place the cursor in the information display.
2
Display image quality options.
Highlight the current image quality in the
information display and press J.
64
Two images are recorded: one NEF (RAW) image and one fine-quality JPEG
image.
Raw 12-bit data from the image sensor are saved directly to the memory
card. Settings such as white balance and contrast can be adjusted on a
computer after shooting.
Record JPEG images at a compression ratio of roughly 1 : 4 (fine quality).
Record JPEG images at a compression ratio of roughly 1 : 8 (normal quality).
Record JPEG images at a compression ratio of roughly 1 : 16 (basic quality).
Information display
Description
P button