REALPRO ND 4/8/16


ND (Neutral Density) filter decreases the amount of light entering the camera lens.

REALPRO ND 4/8/16 NEW

Kenko REALPRO ND4/8/16 neutral density filters.

ND filter decreases the amount of light entering the  camera lens. This allows to shoot with wide open diaphragm even in shiny day to achieve shallow depth of field.

Available sizes: 49, 52, 55, 58, 62, 67, 72, 77, 82mm

ND filter decreases the amount of light entering the  camera lens. This allows to shoot with wide open  diaphragm even in shiny day to achieve shallow depth  of field.
Available sizes: 49, 52, 55, 58, 62, 67, 72, 77, 82m

 

REALPRO ND 4/8/16
REALPRO ND 4/8/16 image REALPRO ND 4/8/16 image 01 REALPRO ND 4/8/16 image 02 REALPRO ND 4/8/16 image 03 REALPRO ND 4/8/16 image 04

Neutral Density filters are the most commonly used along with C-PL and UV filters. These filters, instead of the ones that protect the lens from damage or UV pollution, were created to decrease the volume of the light entering the lens. True ND filters decrease light equally to achieve the same density through the all visual spectrum giving no changes in color balance of the image. That is why the called Neutral Density.

REALPRO-ND8.pngWhy ND filter is important

We are already entered in the era of super high sensitivity, super high resolution photographic equipment. Obviously, power of this huge sensor can be easily affected by lenses and other optical accessories that locates right on the path of the light entering the camera. In another words, quality of the filter that is the front “gate” for the light to get through is of big importance.  Especially, ND filters that became a MUST for high sensitive cameras with ISO settings that starts from 200 or 100. This is the reason that nowadays ND filters are an object of high attention and high quality requirements. Professional photographers requires ND filters that decrease the light volume in the most natural and harmless way. Canon_Camera.png

When to use ND 4/8/16 filters

Kenko REALPRO ND 4/8/16 present the highest quality of Neutral Density filters designed to use with latest DSLR high-sensitive cameras that will allow photographer to realize photos with shallow field of view achieved by aperture wide open during the shiny day or in over lighted conditions. Kenko REALPRO ND 4/8/16 filters is recommended to use in portrait, video and nature genres during shiny day where widely opened diaphragm to prevent overexposure and achieve shallow depth of field is required to separate foreground object from background.

To choose ND filter with suitable density, use the spread-sheet below:

ND NUMBER F STOP REDUCTION % TRANSMITTANCE
4 2 25.000
8 3 12.500
16 4 16.250

IMG_0511.JPGThe example showing the possibility of wide open diaphragm shooting with fine bokeh during shiny day aiming to separate foreground object from background.

ND Vacuum Deposition Technology

To achieve the best neutrality in the world Kenko REALPRO ND 4/8/16 filters adopts ND Vacuum Deposition Technology. According to this technology, neutral density is realized by ND substance that coated in the steam oven equally spreading over the filter glass surface
Deposition-Vapoor-technology.jpgAs a result, compared with other brand ND filters, Kenko REALPRO ND 4/8/16 perform excellent neutrality through all visual light spectrum ensuring stable color balance of the imageND_coating_graph.pngIR pollution

ND Vacuum Deposition Technology also offers the solution to the problem of IR pollution that is also can be a reason for concern among photographers. During the sunny day with a lot of IR light in the atmosphere long shutter speed shooting may bring color changes of black, green or dark objects what can be seen with brown or reddish tint. Thanks to exhaustive efforts of Kenko engineers ND Vacuum Deposition Technology underwent incredible progress in neutrality, desirable light transmittance and IR controlling performance.

Kenko ND filter F4 2sec. ISO3400_DSC5815.jpg Non Vacuum Deposition ND filter F4 2sec. ISO3400_DSC5814.jpg

These two shots show the example of IR contamination when black objects like black suit and socks obtain brown reddish tint while leaves and trees became yellowish.

* ISO is deliberately set to 3400 in order to make shutter speed shorter and avoid motion blur of the person.

Anti-Reflection multi coating
Usually sensors of digital cameras are more sensitive than film. That’s why highlights can affect the image, creating unwanted effects due to light refraction in the lens. Filters, as they are also optical elements, can make the situation even worth. That is why filters need anti-reflective coating. Kenko REALPRO ND 4/6/16 filters adopts anti-reflective multi coating to eliminate even small chance of unwanted flares and ghosts in the image.


Basic features
Kenko REALPRO ND 4/8/16 filters has also the following additional features that will help photographer to achieve the best resultsFeatures_image_for_ND001.jpegSlim Frame
Frame Use with any lens and with no loss of light. Kenko REALPRO ND 4/8/16 adopts ultra thin frame to avoid vignetting effect on wide and super wide angle lenses.

Knurling Edge Frame
The frame is equipped with knurling surface to prevent slipping, making attachment and removal easy and stress-free.

Black Almite Frame
To reduce to minimum any unwanted reflections Kenko REALPRO ND 4/8/16 adopts black aluminum satin finish almite frame. Satin finish will increase friction between fingers and frame for quick operation and satin black frame will minimize internal reflections.


Black Rimmed Glass
To reduce the internal light reflections off the edge of the filter glass Kenko uses the technology of black rimming. The outer rim of the filter glass plate is treated with a specific black ink prevent any leaking of the light.

UV Protected Case
Kenko REALPRO ND 4/8/16 filter comes with durable plastic case with UV-Cut function.

REALPRO-package-front-ND4.png REALPRO-package-front-ND8.png REALPRO-package-front-ND16.png
These two shots show the example of IR contamination when black objects like black suit and socks obtain brown reddish tint while leaves and trees became yellowish. * ISO is deliberately set to 3400 in order to make shutter speed shorter and avoid motion blur of the person.  
Anti-Reflection multi coating Usually sensors of digital cameras are more sensitive than film. That’s why highlights can affect the image, creating unwanted effects due to light refraction in the lens. Filters, as they are also optical elements, can make the situation even worth. That is why filters need anti-reflective coating. Kenko ND 4/6/16 filters adopts anti-reflective multi coating to eliminate even small chance of unwanted flares and ghosts in the image. 
Basic features Kenko REALPRO ND 4/8/16 filters has also the following additional features that will help photographer to achieve the best results.
  REALPRO ND4 REALPRO ND8
REALPRO ND16
REALPRO ND16
Brand Kenko Kenko Kenko
Series REALPRO REALPRO REALPRO
Type Neutral Density Filter Neutral Density Filter Neutral Density Filter
Glass Optical Optical Optical
Light Transmittance: 25%/ 2 stops 12.5% / 3 stops 6.25% / 4 stops
Thickness of the glass, mm: 2.0 2.0 2.0
Frame material: Aluminum Aluminum Aluminum
Available filter diameter, mm: 49mm-82mm 49mm-82mm 49mm-82mm
Origin: Japan Japan Japan
Package: Plastic case, filter Plastic case, filter Plastic case, filter

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