The photographs that I place on this site are available in High Resolution. They can be purchased at the following levels:
Low Res (72 dpi) jpg
Low Res (72 dpi) psd
Medium Res (150 dpi) jpg
Medium Res (150 dpi) psd
High Res (300 dpi) tif
High Res (300 dpi) psd
Each photo is color corrected and the Medium and High Res images will have an Unsharp Mask layer.
Price will vary according to private, one time use, academic use or commercial use.