VND Effect:
The Haida PROII CPL-VND 2 in 1 Filter is a variable neutral density
filter that provides an exposure reduction of 3 to 7 stops. The 0.9 to
2.1 density creates a darkening of the entire image, allowing you to
photograph with a wider aperture or slower shutter speed than normally
required. For easier, repeatable control over density settings, the
front ring is also visually demarcated with dots that represent
different density values and includes a rotation lever to further enable
fast, as well as precise positioning of the front ring.
Coating : This PROII CPL-VND 2 in 1 Filter is constructed from optical glass for clarity as well as color fidelity. To prevent internal ghosting and reflections, the glass features eight layers of multi-coating. These coatings also offer greater protection to a filter substrate and help it to stay clean for longer than with uncoated filters.
Frame:Ultra
slim aluminum alloy ring ensures durability while allowing the filter
to remain lightweight. The thin, aluminum-alloy filter ring minimizes
the potential for vignetting, while remaining durable and lightweight.