Fotodiox, Inc. USA

Fotodiox Pro 6.6x8.5" Graduated Neutral Density .6 (Grad-ND4, 2-Stop) Soft Edge Filter (works with WonderPana 66 Systems)

Fotodiox Pro 6.6x8.5" Graduated Neutral Density .6 (Grad-ND4, 2-Stop) Soft Edge - Main image
Fotodiox Pro 6.6x8.5" Graduated Neutral Density .6 (Grad-ND4, 2-Stop) Soft Edge - View 2
$106.46 $149.95 In stock

Category: WonderPana

  • Description
  • Specs
  • Compatibility
  • Notes

Product Highlights:

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

    • Fotodiox Pro 6.6x8.5" filters are the strongest in the industry at 2mm thick. Fotodiox 6.6x8.5" 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 6.6x8.5” 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.

    Back to Highlights

    Construction Premium Grade Optical Polycarbonate (CR39)
    Density +2 Stop EV Value (at Densest Edge)
    Product Dimensions 6.6 x 8.5 x 0.2 in (16.8 x 21.6 x 0.4 cm)
    0.4 lb (6.8 oz)
    Shipping Dimensions 11 x 14 x 1.5 in (28 x 35.6 x 3.8 cm)
    0.8 lb (12 oz)
    Manufacturer Fotodiox Inc.
    Warranty Limited 24-Months

    All pictures are for illustration purposes only. Actual product may vary slightly due to ongoing improvements in design.

  • • WonderPana 145 & FreeArc Filter Holder Systems (145mm/168x216mm)
  • • The filter will not fit directly on any lens, a WonderPana FreeArc Filter Holder Systems (168x216mm) is required for use.
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    Customer Reviews (4.6 / 5 · 5 reviews)

    Hannah Y. ★★★★★

    I was a bit worried about the fit with my WonderPana system, but this grad ND slides in perfectly and the soft edge makes horizon transitions look natural. The 2-stop reduction is just right for balancing skies without making the foreground too dark.

    Violet E. ★★★★★

    The soft-edge transition does exactly what I needed—blends the sky exposure smoothly without that harsh line I was worried about. It sits snug in the holder and the 2-stop reduction is perfect for keeping clouds detailed at golden hour.

    Evelyn X. ★★★★★

    Finally got this to pair with my WonderPana system for sunrise beach shots, and the 2-stop reduction keeps the sky from blowing out while leaving the foreground perfectly exposed. The soft edge blends so seamlessly that there’s no harsh line—just a natural graduation across the frame.

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