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Why convert ERF to RAS?
Fast
Your file is converted in under 30 seconds in our cloud.
Secure
Files are automatically deleted after 1 hour.
Quality preserved
Maximum quality preserved during conversion.
About the ERF format
RAW — Epson ERF RAW
ERF is Epson's proprietary RAW image format used in its R-D1 digital rangefinder cameras. The Epson R-D1 was the world's first digital rangefinder, and ERF files capture its full CCD sensor data for professional post-processing.
Common uses
- Epson R-D1 rangefinder photography
- Street and documentary photography archives
- Collector and vintage digital camera workflows
- Converting rangefinder RAW files to modern formats
About the RAS format
RAS — Sun Rasterfile
RAS is the Sun Microsystems rasterfile format (also called SUN format), the native image format for SunOS and Solaris workstations. It was used for screenshots, icons, and application graphics on Sun hardware and is still encountered in legacy Unix archives.
Common uses
- Legacy Solaris/SunOS graphics files
- Converting old Sun workstation screenshots
- Unix workstation archive recovery
- Historical software documentation images
Related conversions
Other conversions available for ERF and RAS files
Frequently asked questions
Is the conversion free?
Yes, basic conversion is completely free. For large volumes, check out our paid plans.
What is the maximum file size?
Free accounts can convert files up to 25 MB. Pro accounts up to 100 MB.
How long are my files kept?
Files are automatically deleted after 1 hour on the free plan, 24 hours on Pro.
What formats are supported?
We support over 200 source and target formats. See our complete formats page.