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Shooting Chrony Alpha Chronograph - All Chrony models are powered by a single 9V battery and can be easily attached to a 1/4"-20 tpi camera tripod for fast, easy set up. The Chrony is simple to use, just unfold the box, set the sky screens in place with the diffusers, turn on the switch and start shooting. Gives numbered shot velocities Velocity stays on display until you shoot again ONE String, from 2 to 32 shot memory (Numbered) Measures High, Low and Average Velocities, Extreme Spread and Standard Deviations. |