Yes, it features a professional-grade magnesium alloy barrel with extensive weather sealing and a fluorine coating on the front element to repel water and dust.
Yes, it is fully compatible with Nikon Z-mount mirrorless cameras when used with the Nikon FTZ or FTZ II mount adapter, maintaining full autofocus and VR functionality.
The FL version is lighter, has a shorter minimum focus distance (1.1m vs 1.4m), and features an electromagnetic diaphragm for better exposure consistency during bursts.