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graduated filter VFFOTO graduated ND filter VFFOTO PS GREY 12.5% 77 mm
product code: VFFOTO55

graduated ND filter VFFOTO PS GREY 12.5% 77 mm

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  • optical glass of high quality
  • 12 antireflective layers
  • the latest nanolayers
  • minimal color shift

  • Warranty (years): 10
IN STOCK (order now to ship tomorrow)  
€ 92,00 € 76,03 without VAT
pc

Detail information


Transitional (graduated neutral density - GND) filter is useful especially for equalization of the contrasts of the scene. We use the transitional filter usually for darkening sky which is too bright. GND filters are irreplaceable in landscape´s photography in the case of dramatically contrasting scenes where they combine the transition from a tinted (neutral grey)  surface up to a  completely clear area. As in the case of ND filter,  the darkest part of the GND filter is referred to as a darkening factor.

GND (graduated neutral density) VFFOTO filters marked like as PREMIUM SERIES are devoloped, designed and completed in the Czech Republic. The components are being produced in China.
Not only that they are equipped with 12 antireflective layers (6 on each side) but also they contain new 3+3 nanolayers with the most developed functions: improved resistance to scratching, water-resistance, improved resistance to grease, easier cleaning.
All of the filters in this series are produced using the first-class optical glass Schott B270 (more information about this glass can be found here).
GND filters of this series are designated especially for digital cameras, but they can be also used for classical cine film reflex cameras.

GND filter VFFOTO GREY 12.5% PS 77 mm - specifications
   
 used glass optical glass Schott B270
 color shift negligible, max. 100 K
 material of the frame aluminium alloy
 thickness of the glass 1.8 mm +/- 0.1 mm
 height of the frame after screwing 5.8 mm
 number of antireflective layers 12 (6+6)
 nanolayers yes
 weight of the filter 28 g
 use of ordinary lens cap yes
 rear thread M 77 x 0.75 mm
 frontal thread yes
 the width of the transition layer 60-70%
 type of transition hard
 extending the time in its darkest part 3 EV
 the light transmission in its darkest part 12.5%

What can the filtr GND VFFOTO GREY 12.5% do - exterior:

Why you should decide for GND filter VFFOTO GREY 12.5% PS:
  1. 12 (6+6) antireflective layers of high quality = the minimization of objectionable reflections,
  2. closing external treatment of the filter using nanolayers = resistance against water, scratching and impurities, easy cleaning, these layers improve the mechanical as well as the physical qualities of the glass Schott B270,
  3. original optical glass of high quality = it preserves even the finest details of the contours without having an impact on sharpness,
  4. negligible color shift = these filters can be successfully used not only in black and white photograph but also in colourful pictures,
  5. low frame = it provides no vignetting, it can be used with the ordinary lens cap, it is suitable for wide angel lenses as well as for telephoto lenses,
  6. a special hydrofobic treatment causes that the water drops are not spilling over but they are formings balls = the drop slips from surface by itself or it can be blowed out using the blowing balloon,
  7. glass filtr doesn´t create static elektricity = it doesn´t magnetize dust like plastic (resin) filters,
  8. excellent price-quality ratio = a satisfied customer who will turn back,
  9. precisely manufactured = reliability,
10. possibility to exchange the glass in casew of its damage,
11. 10 years guarantee - the final quality check of each piece takes place in the Czech Republic.

VFFOTO´s recommendation:
We recommend the series of VFFOTO PS GND filters for those who are looking for a filter with an excellent price-performance ratio.
This filter is suitable even for the best lenses with the local length of 17-800 mm (recalculated on full frame) from companies such as Canon, Nikon, Carl-Zeiss, Leica, Hasselblad, Olympus, Pentax, Fuji, Sony etc.

Evaluation of the picture in atelier - color shift (for both images the color temperature is set to 3600 K):


Evaluation of the picture in atelier - the details (100% magnification without sharpening):


Learn more

10 years guarantee
the repair of the broken filter is 50% off of the filters current price for the members of VFFOTO club



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