My thought would be 1. Does it have a lot of vertical dispersion at long range? (Afterall that's what really matters) 2. If you are using an optical Chrono, velocities can vary a tonne - even within one session - if the light conditions change.
My thought would be 1. Does it have a lot of vertical dispersion at long range? (Afterall that's what really matters) 2. If you are using an optical Chrono, velocities can vary a tonne - even within one session - if the light conditions change.
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