Peak Design responded:
Lens bayonets are actually very strong and are designed to hold upwards of 200lbs.
I find it hard to believe the lens mount was designed to hold a 91kg lens. I suspect they are confusing force with weight, and really meant an 890N force, but their use of imperial units means you can’t really be sure. (Pound and pound-force are distinct, and lbf would unambiguously denote force, but lb is often written instead. The odd multiplier is because the imperial unit assumes gravity on a particular planet.) This corresponds to an acceleration of around 220m/s for a 4kg lens. While we don’t swing lenses around at Mach 0.6, the mount needs to withstand instantaneous shocks from, e.g., being in a vehicle going over a bump. And of course, many people will have seen pictures of rigs that have been dropped and the mount torn off – there’s your Mach 0.6 deceleration.
Jun 22, 2023 at 09:42 PM
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