RED offers sample R3D files for testing purposes here. Footage from the EPIC-W 5K S35, WEAPON 8K S35 and WEAPON 8K VV are shot on the same sensors found in DSMC2 GEMINI, DSMC2 HELIUM and DSMC2 MONSTRO respectively.
LEGAL DISCLAIMER: All footage is provided "as is". Use of the footage is for internal testing purposes only, and may not be used for any other purposes, whether commercial or non-commercial. RED retains all copyrights in the footage.