tiff R package supports TIFF (Tag Image File Format) image format. readTIFF reads one of more images from a TIFF file, writeTIFF writes image data into a TIFF file. See the corresponsing R documentation.
See also tiff on RForge.net
Installation
On Windows and macOS you can install tiff directly from CRAN using
install.packages("tiff")On Linux, you need libtiff library and corresponding development files, e.g. on Debian/Ubuntu that is libtiff-dev, as well as all tools necessary to build R packages. Once you have it all, then you can use the same method as above.