Nikon D300s Image Quality, Option File type Description, NEF RAW Recording, Jpeg Compression

Image Quality

The D300S supports the following image quality options. See page 394 for information on the number of pictures that can be stored at different image quality and size settings.

	Option	File type	Description
			RAW data from the image sensor are saved
			directly to the memory card in Nikon Electronic
	NEF (RAW)	NEF	Format (NEF). Use with images that will be
			transferred to a computer for printing or
			processing.
			Record uncompressed TIFF-RGB images at a bit
	TIFF (RGB)	TIFF	depth of 8 bits per channel (24-bit color). TIFF is
		(RGB)	supported by a wide variety of imaging
d
			applications.
	JPEG fine		Record JPEG images at a compression ratio of
			roughly 1:4 (fine image quality). *
	JPEG normal	JPEG	Record JPEG images at a compression ratio of
			roughly 1:8 (normal image quality). *
	JPEG basic		Record JPEG images at a compression ratio of
			roughly 1:16 (basic image quality). *
	NEF (RAW)+		Two images are recorded, one NEF (RAW) image
	JPEG fine		and one fine-quality JPEG image.
		NEF/
	NEF (RAW)+		Two images are recorded, one NEF (RAW) image
	JPEG normal	JPEG	and one normal-quality JPEG image.
	NEF (RAW)+		Two images are recorded, one NEF (RAW) image
	JPEG basic		and one basic-quality JPEG image.

*Size priority selected for JPEG compression.

ANEF (RAW) Recording

The NEF (RAW) recording item in the shooting menu controls compression (0 70) and bit depth (0 70) for NEF (RAW) images.

AJPEG Compression

JPEG images can be compressed for relatively uniform file size or optimal image quality. The JPEG compression option in the shooting

menu can be used to choose the type of compression (0 70).

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