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Hoya 55mm Neutral Density (ND) 0.9 Pro 1 Digital Multi-Coated Glass Filter

Hoya 55mm Neutral Density (ND) 0.9 Pro 1 Digital Multi-Coated Glass Filter
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Hoya Pro 1 Overview

  • 1Description
  • 2Digital Multi-Coated
  • 3Black Almite Frame
  • 4Black Rimmed Glass
  • 5Low Profile Frame
  • 6Knurling Edge Frame
  • 7UV Protected Case
  • 8Neutral Density Filters have four main uses:
  • 9Neutral Density Factors

The Hoya 55mm Neutral Density (ND) 0.9 Pro 1 Digital Multi-Coated Glass Filter has several uses, and offers the possibility to achieve otherwise unachievable results. ND filters appear grey, and reduce the amount of light reaching the film. They have no effect on color balance.

Pro 1 Digital filters are ultra thin, but have a front thread.
Digital Multi-Coated
Digital multi-coated filters greatly reduce the appearance of lens flare and ghosting caused by reflections
Black Almite Frame
Filters feature a black matte aluminum, satin-finish almite frame, which reduces reflections
Black Rimmed Glass
These filters are equipped with black-rimmed glass to reduce the chance of light reflecting off the edge
Low Profile Frame
Ultra-thin filter frames, which help to avoid vignetting on super wide angle lenses, are also designed to hold a lens cap
Knurling Edge Frame
These filters are equipped with a straight knurling edge for non-slip, easy attachment and removal
UV Protected Case
Filter cases are UV protected, which further lengthens the life of filters
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 to 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
Neutral Density Factors
  • 2x = ND 0.3 (exposure adjustment = 1 stop, reduces ISO 1/2)
  • 4x = ND 0.6 (exposure adjustment = 2 stops, reduces ISO 1/4)
  • 8x = ND 0.9 (exposure adjustment = 3 stops, reduces ISO 1/8)  
UPC: 024066040312

Hoya Pro 1 Specs

Filter TypeSolid ND
Density0.9 (3-Stop)
Circular Size55 mm Filter Thread
Front Accessory Thread / Bayonet55 mm
Filter Thickness0.12" / 3 mm
Filter MaterialGlass
Ring MaterialAluminum
Packaging Info
Package Weight0.09 lb
Box Dimensions (LxWxH)3.55 x 2.8 x 0.5"

Hoya Pro 1 Reviews

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what is the difference between a hoya pro 1 mc uv(0) filter and a hoya nxt hmc uv(C) filter
Asked by: Anonymous
The Pro 1 Hoya filters have a thinner profile than the Hoya NXT HMC UV filter As well, the Pro 1 filters feature a black almite frame, as well as black rimmed glass to reduce light reflecting off the edges of the filter. The coatings are also different; the NXT HMC filters feature HMC multi coating, and the Pro 1 Digital filter has a digital multi coating.
Answered by: Heather S.
Date published: 2018-08-27


Hello; Doe's this filter have a front threads that you can attach a hood or another filter to it.Thanks
Asked by: Anonymous
Yes it does have a front thread to attach another filter or lens cap or threaded lens hood.
Answered by: Yos O.
Date published: 2018-08-27


I have a T2i Canon with an EFS 18-55 and an EFS 55-250 lens.Both are 58mm diameter lens.Is this the correct filter/protection lens?
Asked by: Anonymous
The Hoya 58mm Clear Pro 1 Multi-Coated Glass Filter will fit on any lens with a 58mm filter thread.
Answered by: Dana G.
Date published: 2018-08-27


Does this have front screw on so I can add a polarizer to it?
Asked by: David D.
Yes, the Pro 1 digital series filters have front threads.
Answered by: Glenn N. Slik Expert
Date published: 2018-08-28


Is this lens thin enough to be used on a Nikon 18-140mm lens without vignetting? Is it an O or C filter?
Asked by: Norman E.
I've never had a problem with vignetting. Used it on both the 18-140 and the 70-300. I don't know the difference between O or C filter.
Answered by: Timothy W.
Date published: 2018-08-27

Does this fit on the Z6 24X70 lens?

Does this fit on the Z6 24X70 lens?
Asked by: Denis
Yes - it will fit the Nikon Z 24-70mm f/4 S Lens.(72mm Filter) Don't mix it with the Z 24-70mm f/2.8 S (82mm Filter)
Answered by: Judah
Date published: 2019-05-06


does the 77mm pro 1 slim line nd filter come with a higher stop than the 64x 6 stop filter?
Asked by: Anonymous
In that model that is it but the Pro series is about the same in quality.And in a Pro they come in 6.6, 7.6 and 9 stop. The link for those is,
Answered by: Robert K.
Date published: 2018-08-28


what does but it has a front thread imply ?
Asked by: ralph c.
but it has front threads implies that the filter has front threads, enabling you to either stack filters or use a standard lens cap.
Answered by: Glenn N. Slik Expert
Date published: 2018-08-27
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