NiSi82mm Swift FS ND16-4-Stop Neutral Density Thread-Less Filter - for NiSi Swift System, Friction Mounted Press-On Filters - Full Spectrum True Color, Optical Glass, Waterproof Nano Coating

this is not a screw on full variable neutral density filter its a extra attachment to a vnd filter. it has not threads to screw on to a lens or another filter. they do not state any of this in the description at all. the filter does not rotate at all

Ottimo prodotto acquistato per fare video abbinato al Nisi true color 1-5 stop non vignetta facile da mettere e togliere

Tru colour excellent cut over light

単独で使うためのアダプターも買いました。是非UV/IRかHot Mirrorも出して欲しい。