An innovation for quick shooting. Only push in to mount. You will be ready to shoot at cyberspeed and can't miss the best shutter timing anymore. Hard rubber balls hold frame tight on your lens. Can rotate both ways smoothly. The best effect position can be found without stress.
Reduce only light volume without affecting whole color tones. A product series with improved quality manufactured by vacuum "Chemical Vapor Deposition (CVD)" technology. Aperture can be controlled intentionally to capture new images. It brings fluidity to your photographs. For shooting outdoors, at the seaside or in snow mountains with sensitive films.