Supported file formats, Camera raw formats, Digital negative format (dng) – Adobe Photoshop Lightroom CC User Manual
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Importing photos
Last updated 4/20/2015
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In File Handling panel, specify the following options:
Import DNG Creation
Choose the type of file extension (upper-case or lower-case), Camera Raw version
compatibility, and JPEG preview size for imported DNG files. For more information on DNG files and DNG
creation options, see
Reading Metadata
Select the options to recognize a period ( . ) or forward slash ( / ) between keywords as
designating keyword hierarchies.
File Name Generation
Specify which characters and spaces in the filenames of imported photos are illegal, and
determine how they’re replaced.
More Help topics
Supported file formats
Lightroom can import the following types of files:
Camera raw formats
Camera raw file formats contain unprocessed data from a digital camera’s sensor. Most camera manufacturers save
image data in a proprietary camera format. Lightroom reads the data from most cameras and processes it into a full-
color photo. You use the controls in the Develop module to process and interpret the raw image data for your photo.
For a list of supported cameras and camera raw formats, see
.
If you have trouble opening camera raw files in Lightroom, see
Digital Negative format (DNG)
The Digital Negative (DNG) is a publicly available archival format for raw files generated by digital cameras. DNG
addresses the lack of an open standard for the raw files created by individual camera models, helping ensure that
photographers will be able to access their files in the future. You can convert proprietary raw files to DNG from within
Lightroom. For more information about the Digital Negative (DNG) file format, visi
. You’ll find
comprehensive information and a link to a user forum. Lightroom can import 32-bit DNG images.
TIFF format
Tagged-Image File Format (TIFF, TIF) is used to exchange files between applications and computer platforms. TIFF is
a flexible bitmap image format supported by virtually all paint, image-editing, and page-layout applications. Also,
virtually all desktop scanners can produce TIFF images. Lightroom supports large documents saved in TIFF format (up
to 65,000 pixels per side). However, most other applications, including older versions of Photoshop (pre-Photoshop
CS), do not support documents with file sizes greater than 2 GB. Lightroom can import 8-bit, 16-bit, and 32-bit TIFF
images.
The TIFF format provides greater compression and industry compatibility than Photoshop format (PSD), and is the
recommended format for exchanging files between Lightroom and Photoshop. In Lightroom, you can export TIFF
image files with a bit depth of 8 bits or 16 bits per channel.