Ah, Sigma - same experience here with type BC 1609 - their mounting/snapping system could be better 
Hmmm, locked or unlocked, you shouldn’t leave “her” alone unattended…
Ah, Sigma - same experience here with type BC 1609 - their mounting/snapping system could be better
Hmmm, locked or unlocked, you shouldn’t leave “her” alone unattended…