Product Description
Variable ND Filter
The Tiffen Variable ND filter is a unique, versatile and flexible tool,
affording you the convenience of using several Neutral Density filters all in
one. Primarily used as a photographic tool for controlling depth of field and
exposure, the Variable ND is being sought in the video market as well because it
is fast, easy to use, small, lightweight, and does not require additional
accessories such as a matte box.
Why use a Variable ND Filter?
Neutral density filters reduce the amount of light going through the
lens into your camera. By reducing the light you are able to achieve the
following:
- Allows the use of slow shutter speeds, with high speed films or digital
cameras, to record movement/image blur in subjects such as waterfalls,
clouds or any fast moving subject
- Gives you full control over your depth of field. You are able to
decrease depth of field by using wider apertures, which helps separate
subjects from their background (subject matter in focus while your
background is blurred)
- Allows you to shoot high speed film (above ISO 400) in bright outdoor
situations by reducing effective ISO
- Enables cine and video cameras (which have fixed shutter speeds) to film
subjects such as snow, sand or other bright scenes which could cause
overexposure
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