Kenko Variable NDX

Variable NDX

ND2.5 - ND1000 variable density filter.
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Kenko
Instruction Manual   PDF, 1.05 Mb
Description
Specifications
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Description

Kenko's uniquely designed variable neutral density filter provides the equivalent brightness range of ND2.5 to ND1000 (practical use being up to ND450).

The singular versatility of the Variable NDX filter not only replaces a whole set of stacking neutral density filters it also removes vignetting which may be caused by using multiple filters.

DMC - Digital Multi-Coated

Digital multi-coated filters greatly reduce the appearance of lens flare and ghosting caused by reflections.

For Longer Exposures

Without changing the aperture, the Variable NDX filter allows the freedom to change the shutter speed according to the effect desired. For example, without adjusting the aperture, the same 1/60 scene can be taken using the Variable NDX filter with shutter speeds from 1/20 to 6 seconds, with just a turn of the outer filter ring.

The problem of diffraction is eliminated by being able to work with a slow shutter speed.

For Wider Apertures

With the Variable NDX filter, the shutter speed remains constant for a wide aperture easily creating a blurred background effect.

Prevents Overexposure / Highlight Clipping

Even with a shutter speed of 1/8000 seconds, a large aperture of f/1.4 or f/1.2 can cause overexposure / highlight clipping. With the Variable NDX filter, this overexposure is eliminated.

For HDSLR MOVIES

For HD video-enabled cameras, use the Variable NDX filter to easily adjust light control and shutter speed. The Variable NDX filter makes it simple to produce blurred background effects, simulate a night scene or create manual fade in / fade out effects. It is also perfect for use in bright locations such as beach or snow scenes and city scapes.

Easy to Operate / Easy Framing / Easy Focus

With a tripod mounted camera, use the brightest setting for framing and focus and then increase the density to your desired level by simply turning the outer filter ring.

Avoid Vignetting

The singular versatility of the Variable NDX filter not only replaces a whole set of stacking neutral density filters it also removes vignetting which may be caused by using multiple filters.


General care and handling of the photographic filter

  1. Use filter carefully and always keep it clean. When cleaning use cleaning tissue or cleaning cloth. But before that remove as much dust and dirt as possible from the lens with a blower or brush.
  2. Avoid unnecessary cleaning of your filter.
  3. Filter is made of glass. When it is broken glass fragments may injure.
  4. Do not disassemble filter by yourself.
  5. When the filter is not attached to the lens, store it away from sharp objects. They may damage the filter glass.
  6. Keep filter away from children.
  7. Keep filters in plastic hard-sided case or filter pouch.
  8. Keep filters dry and away from direct sun light.
  9. Avoid storage in high humidity environment. Moisture drops due to the high humidity or dew on the filter can burn the coating and create traces on the glass surface that can be hardly wiped off.
Specifications
General Info
Category
Filters
Model
Kenko Variable NDX
Type
ND
Available Sizes, mm
77, 82
Main Characteristics
ND Number (Filter Factor)
2.5 (0.4) - 1000 (3)
f-stops
1.6 - 10
Depolarization
Yes
Frame Material
Aluminum
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Kenko Variable NDX overview
Kenko Variable NDX presentation
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