No, it utilizes integrated hard stops to limit the rotation range, effectively preventing the 'X' cross-polarization effect common in budget variable filters.
Yes, it features a double-sided multi-layer coating that is waterproof, oil-resistant, and scratch-resistant, making it suitable for outdoor and rugged environments.
It fits any lens with a matching thread size (e.g., 67mm, 72mm, 77mm, or 82mm). Check the front of your lens for the 'ø' symbol to confirm your thread diameter.