Opteka FSC-5 TTL Off-Camera Flash Sync Cord for Pentax K-5, K-R, K1000, K2000 DSLR Cameras & AF540FGZ Digital Flash (75" Cord) Heavy-duty 75" (190cm) coiled cable Works on Canon EOS, Nikon & Pentax DSLR's Maintains full TTL settings Also mounts to 1/4"-20 threaded studs 1 Year warranty