Nikon D6 Reference Manual page 1148

Storage
File format
(image
quality)
Picture
Control
System
Media
Double card
slots
File system
1096 Specifications
•
NEF (RAW): 12 or 14 bit (lossless compressed,
compressed, or uncompressed); large, medium, and
small available (medium and small images are
recorded at a bit depth of 12 bits using lossless
compression)
•
JPEG: JPEG-Baseline compliant with fine (approx. 1:4),
normal (approx. 1:8), or basic (approx. 1:16)
compression; size-priority and optimal-quality
compression available
•
NEF (RAW)+JPEG: Single photograph recorded in
both NEF (RAW) and JPEG formats
Auto, Standard, Neutral, Vivid, Monochrome, Portrait,
Landscape, Flat, Creative Picture Controls (Dream,
Morning, Pop, Sunday, Somber, Dramatic, Silence,
Bleached, Melancholic, Pure, Denim, Toy, Sepia, Blue,
Red, Pink, Charcoal, Graphite, Binary, Carbon); selected
Picture Control can be modified; storage for custom
Picture Controls
CFexpress (Type B) and XQD memory cards
The card in Slot 2 can be used for overflow or backup
storage, for separate storage of NEF (RAW) and JPEG
copies of photos taken at image quality settings of NEF
(RAW) + JPEG, or to store separate copies of JPEG
photos at different sizes and compression ratios;
pictures can be copied between cards
DCF 2.0, Exif 2.31