Bedienungsanleitung Adobe PHOTOSHOP LIGHTROOM 4 (Seite 34 von 205) (Englisch)

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USING PHOTOSHOP LIGHTROOM 4

Importing photos

Last updated 11/26/2012

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 www.adobe.com/go/learn_ps_cameraraw.

If you have trouble opening camera raw files in Lightroom, see Why doesn't my version of Photoshop or Lightroom

support my camera?

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, visit

www.adobe.com/dng. 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.

JPEG format

Joint Photographic Experts Group (JPEG) format is commonly used to display photographs and other continuous-

tone images in web photo galleries, slide shows, presentations, and other online services. JPEG retains all color

information in an RGB image but compresses file size by selectively discarding data. A JPEG image is automatically

decompressed when opened. In most cases, the Best Quality setting produces a result indistinguishable from the

original.

Photoshop format (PSD)

Photoshop format (PSD) is the standard Photoshop file format. To import and work with a multi-layered PSD file in

Lightroom, the file must be saved in Photoshop with the Maximize PSD and PSB File Compatibility preference turned

on. You’ll find the option in the Photoshop file handling preferences. Lightroom imports and saves PSD files with a

bit depth of 8

bits or 16 bits per channel. To work with 32-bit images in Lightroom, save your file as TIFF.

CMYK files

Lightroom imports CMYK files but adjustments and output are performed in the RGB color space.

Video files

Lightroom imports AVI, MOV, MP4, and other digital video files from digital still cameras. For more information, see

“Work with video in Lightroom” on page 100.

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