Elinchrom EL 10287 Ranger RX Speed AS Set with A Head, Reflector, Varistar 2 Batteries and Ranger Case Precise repeatability with ultra stable electronics. Weather resistant design with self sealing rubber protectors. Action freezing flash durations at full power. Elinchrom flashtubes are precisely positioned in an efficient internal reflector, to avoid the inherent uneven illumination produced by non-concentric or U-shaped flashtubes. The Elinchrom double bayonet mounting system for light modifiers has been used for the entire range of flashheads and accessories since 1974.