Name: Formatt Hitech 4 x 5.65" Combination 85B/ND 0.9 Glass Filter (3-Stop)
Brand: Formatt Hitech
SKU: FO85BND.945P
Price: 270.00 USD

Formatt Hitech 4 x 5.65" Combination 85B/ND 0.9 Filter - The 85 Series will produce natural colors when shooting with tungsten film outdoors. Using tungsten film in daylight will produce a bluish cast in the photograph.

Neutral Density filters have several uses and offer the possibility to achieve otherwise unachievable results. ND filters appear gray and reduce the amount of light reaching the film. They have no effect on color balance.

Determining which neutral density filter yields ideal results for any given lighting situation takes knowledge, experience and a collection of such filters. Speaking generally, the 2-stop value (ND 0.6) effectively compensates average situations.

Formatt, a company with three generations of professional filter-making experience produces every filter to the highest technical standards. The finest materials, together with state of-the-art production technology have resulted in a standard of optical excellence unmatched anywhere else.

Optically consistant from filter to filter

Formatt filters use the finest materials together with state of the art production techniques; This has resulted in a standard of optical perfection unmatched anywhere else

All Formatt filters are manufactured using Water White Schott optical glass that is precision polished and ground to ensure absolute optical flatness and optimum performance

Absorbing Cell Technology

The secret to Formatt's consistency in filter design lies in its unique "Absorbing Cell Technology" (A.C.T.); This unique process allows color correct dyes to be applied to optically pure, wafer thin absorbing cells and offers a controllability that ensures the smoothest grad lines and consistent color across the whole filter surface.

This process is revolutionary compared with conventional filter dying techniques by eliminating the need to directly coat the glass surface itself; The repeatable performance gained through A.C.T. ensures that at any time you have to swap like filters for like filters mid shoot you can do so with confidence with no discernable differences in color or density.

Each filter is guaranteed flatness to a maximum 2-wave value and comes with an individual reading from a laser interferometer; Every filter is carefully verified with a densitometer and spectrophotometer to ensure consistent and accurate transmission, before leaving the factory - the result is an absolute purity of image that eliminates any unwanted colorcast caused by conventional greenish soda-lime glass.

85 Series Conversion Chart

An 85 decreases the color temperature from 5500-3400K

An 85A decreases the color temperature from 5500-3100K

An 85B decreases the color temperature from 5500-3200K

An 85C decreases the color temperature from 5500-3800K

Neutral Density Factors

ND.3 (exposure adjustment = 1 stop, reduces ISO 1/2)

ND.6 (exposure adjustment = 2 stops, reduces ISO 1/4)

ND.9 (exposure adjustment = 3 stops, reduces ISO 1/8)

ND 1.2 (exposure adjustment = 4 stops, reduces ISO 1/16)

Filter Type	Solid ND Combination
Combination Type	85B Color Conversion
Density	0.9 (3-Stop)
Rotating	No
Rectangular Size	4 x 5.65" / 101.6 x 143.5 mm
Front Accessory Thread / Bayonet	Unthreaded
Filter Thickness	0.12" / 3 mm
Filter Material	Glass
Coating	None

Package Weight	0.4 lb
Box Dimensions (LxWxH)	2 x 2 x 2"

Formatt Hitech 4 x 5.65" Combination 85B/ND 0.9 Glass Filter (3-Stop)

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