RAW

What is RAW Image?

Complete guide to the RAW file format

Year1990s
TypeImage
UsageProfessional photography

What is it?

RAW is not a single format but a category of image formats that store unprocessed sensor data directly from a digital camera. RAW files contain all the data captured by the camera sensor before any in-camera processing.

Unlike JPEG which applies sharpening, noise reduction, and color processing automatically, RAW preserves every bit of sensor information giving photographers full control in post-processing.

Technical Specifications

File Size10-50MB per image depending on camera
Bit Depth12-16 bit (JPEG is 8 bit)
CompressionLossless or uncompressed
Color SpaceWider than sRGB, often ProPhoto RGB
EditabilityFull non-destructive editing
StandardsCR2/CR3 (Canon), NEF (Nikon), ARW (Sony), DNG (Adobe)

Pros & Cons

Advantages

Maximum Quality

Preserves all sensor data for the highest possible image quality in post-processing.

Exposure Flexibility

Recover 3-5 stops of over/underexposed detail that JPEG permanently discards.

Non-Destructive Editing

Edit RAW files without permanently altering the original data.

Color Accuracy

Access the full color gamut captured by your camera sensor.

Disadvantages

Large File Size

RAW files are 3-10x larger than JPEG files, requiring more storage and faster memory cards.

Requires Processing

RAW files must be processed in software like Lightroom or Capture One before sharing.

Not Universal

RAW formats vary by camera manufacturer - a Canon CR3 requires different software than a Nikon NEF.

Slower Workflow

RAW workflows are significantly slower than JPEG due to file size and required processing.

When to Use It

Here are the most common situations where RAW Image is the right choice:

Professional Photography

Use RAW for any photography where post-processing quality matters - portraits, landscapes, commercial work.

Studio Photography

RAW is standard in commercial and studio photography for maximum control over final output.

HDR Photography

RAW files have more dynamic range information, making HDR merging more effective.

Printing

Large-format printing benefits from RAW's superior color and detail information.

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Frequently Asked Questions

What software opens RAW files?

Adobe Lightroom, Capture One, and Darktable are popular RAW editors. The free Darktable supports most camera RAW formats.

Should I shoot RAW or JPEG?

Shoot RAW if you edit your photos. Shoot JPEG if you need fast delivery and minimal post-processing.

Can I open RAW on my phone?

Some phones can open RAW files, but a desktop app like Lightroom mobile gives better results.

What is the difference between RAW and DNG?

DNG is Adobe's open RAW standard. Camera RAW formats (CR3, NEF, ARW) are proprietary to each manufacturer.

How do I convert RAW to JPEG?

Use Lightroom, Capture One, or our free online converter to convert RAW files to JPEG.