Quantum Instruments specializes in the highest quality, innovative photographic products.This cable is designed for the following systems:Cambron PO-1100;Canon 300EZ;Chinon AF-S280TTL;Fujica 300X;Kalimar AF6000;Kalimar SDZ56;Nikon SB15;Nikon SB17;Nikon SB21;Promaster FTD5600;Promaster FTD5900;Promatic FTD4000;Promatic FTD4500AF;Promatic FTD5200;Promatic FTD5600;Quantray QTB6500A;Quantray QTB7500A;Sakar 77TF2;Soligor MK-10;Spiratone TWINLITE;Starblitz 3600DFM;Starblitz 3800DEF;Sunpak 25SR;Toshiba ES30.For a complete compatibility list please refer to the original manufacturer's web site.