Nikon D90 User Manual page 294

II Supported Standards
• OCF Version 2.0: The Design Rule for Camera File Systems (DCF) is a standard widely
used in the digital camera industry to ensure compatibility among different makes
of camera.
• OPOF: Digital Print Order Format (DPOF) is an industry-wide standard that allows
pictures to be printed from print orders stored on the memory card.
• Exifversion 2.21: The D90 supports Exif (Exchangeable Image File Format for Digital
Still Cameras) version 2.21, a standard in which information stored with
photographs is used for optimal color reproduction when the images are output
on Exif-compliant printers.
• PictBridge: A standard developed through cooperation with the digital camera and
printer industries, allowing photographs to be output directly to a printer without
first transferring them to a computer.
• HOMI: High-Definition Multimedia Interface is a standard for multimedia interfaces
used in consumer electronics and AV devices capable of transmitting audiovisual
data and control signals to HDMI-compliant devices via a single cable connection.
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