6 ms·
FYI, this is the "vacuum adjustable focus mirror" I mentioned: https://lm.solar/order/4-square-rigid-aluminum-composite-mirror-with-rear-aluminum-reinforcing-f
by remipch 2y ago
FYI, this is the "vacuum adjustable focus mirror" I mentioned:
https://lm.solar/order/4-square-rigid-aluminum-composite-mirror-with-rear-aluminum-reinforcing-frame-shatterproof-vacuum-adjustable-using-vacuum-pump-not-included-focus-5-diameter-variable-focal-l/ https://lm.solar/order/4-square-rigid-aluminum-composite-mir...