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Model BF 4-SEND.6GHD / BF4SEND6GHD. 4x4 size for use with matte box. This is the 1mm framed high quality version of this filter. Compare this glass in quality to Tiffen, Schneider, and B+W. Retails originally for $148.85.

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

Speaking generally, the 2-stop value (ND 0.6 - the filter's clear portion allows 4x more light to pass vs. darkest portion) effectively compensates average bright sky-to-foreground situations, and the soft transition is applicable more often to a scene than the hard transition.

Formatt Soft Edge Neutral Density Graduated (ND grads) filter produces a gray neutral tone and changes density gradually over the field of view. ND Grads are used to reduce light selectively, enabling more control over exposure without affecting color. In effect, ND grads allow you to capture scenes of greater contrast or dynamic range than the camera could capture without their use. ND grads are especially useful in scenes containing very brightly lit areas and simultaneously deep shadowed areas. They are used to darken the brighter areas of the scene what would normally be captured as over exposed while allowing the camera to properly expose the shadow areas.

HD technology has been targeted towards today's cinema and videographer who are using the latest ultra-sharp cameras and lenses.

Neutral Density Filters Have Four Main Uses:

• To enable slow shutter speeds to be used, especially with high speed films, to record movement in subjects such as waterfalls, clouds, or cars
• To decrease depth of field by allowing wider apertures to be used, which helps separate subjects from their background
• To decrease the effective ISO of high speed film (above ISO 400) and allow it to be used outdoors in bright situations
• To allow cine and video cameras (which have fixed shutter speeds) to film subjects such as snow, sand or other bright scenes which could cause overexposure

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.