Product picture - Quantum Instruments ES1 Energy Saver for Vivitar 285HV, Metz 45CL-1 3 4, 45CT-3 4, and Hasselblad 4504 Quantum, Instruments, ES1, Energy, Saver, Vivitar, 285HV, Metz, 45CL-1, 3, 4, 45CT-3, 4, Hasselblad, 4504 Click the image to close this page