Fotodiox Pro 6.6×8.5″ Graduated Neutral Density .6 (Grad-ND4, 2-Stop) Hard Edge Filter (works with WonderPana 66 Systems)

Product Highlights:

Provides up to a 2-stop reduction of light in selective areas

Hard-edged line of transition between the dense and clear areas

Filter does not affect the overall coloration of the image

Constructed from optical polycarbonate (CR39) for clarity and durability

Other WP66 Filters Include: 0.6 & 0.9 in Hard & Soft Edges as well as colored grads

Limited 2-Year Manufacturer Warranty

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Fotodiox Pro 6.6×8.5″ filters are the strongest in the industry at 2mm thick. Fotodiox 6.6×8.5″ filters are practically unbreakable and are guaranteed spectrally neutral to within + or – 3 in the a and b channels of the lab color space. Fotodiox Pro filters are also guaranteed to be within + or – 2 in regards to total light transmission. Fotodiox currently offers 6.6×8.5” in 4 Graduated Neutral Density (ND) filters: .6 Soft Edge, .6 Hard Edge, .9 Soft Edge and .9 Hard Edge. This filter is made by Fotodiox Pro specifically for the WonderPana 66 Systems.