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Hoya 77mm NDx400 HMC ND 2.7 Filter (9-Stop)

BH #HOND400MC77 • MFR #A77ND400
Hoya
Hoya 77mm NDx400 HMC ND 2.7 Filter (9-Stop)
Key Features
  • 2.7 Solid Neutral Density Filter
  • Permits Increased Exposure Length
  • Three-Layer HMC Coating
  • Optical Glass, Aluminum Filter Ring
The Hoya 77mm NDx400 HMC Filter is a solid neutral density filter that enables a 9-stop increase in exposure length. The optical 2.7 density creates a darkening of the entire image, allowing you to photograph with a wider aperture or slower shutter speed than normally required. By slowing your exposure time or increasing your aperture, you are able to control depth of field and convey movement more easily.
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question

I've never had one of these filters; does this screw onto the end of my 24-70mm like my filter?
Asked by: Anonymous
Yes, the Hoya 77mm NDX400 HMC Filter screws onto the front of a lens, such as a 24-70mm or other lenses with a 77mm filter thread.
Answered by: Heather S.
Date published: 2018-08-27

question

This filter with a variable degree of density or permanent?If a variable, the density begins with what?Thank you!Yuri
Asked by: Anonymous
This filter is not variable. It offers a constant 9 stops of light loss. It is generally used where exposures of a few seconds to a few minutes are desired.
Answered by: Matthew C.
Date published: 2018-08-27

question

Can I mount another filter on it?
Asked by: Anonymous
The Hoya 77mm NDx400 HMC Filter has a 77mm front filter thread, so you could mount a 77mm on the front.
Answered by: Christina S.
Date published: 2018-08-27

question

I have this filter already. Wondering if it can be used to photograph a solar eclipse safely (protect my Nikon D7100 sensor)? I have eclipse glasses for myself, just want to make sure that I protect my camera adequately. Thanks
Asked by: April S.
You will need a sun filter. Check with Edmund Scientific Co. in NJ if they still stock item. If not, check with other telescope manufacturers.
Answered by: Kenneth S.
Date published: 2018-08-27

question

Hello. Is these filter lens good for use in portrait photography on a high noon sunny shoot?
Asked by: Anonymous
I only use this filter for long exposure landscape.
Answered by: Michelle O.
Date published: 2018-08-27

question

Hi, can this 9-stops ND filter be used on a 16mm full frame lens (and Full Frame DSLR)?Or it would deliver uneven exposure and/or coloration on long exposure shotting?Thank you!
Asked by: PABLO
Yes it works great. You will need to take off the uv filter first though to avoid vignetting
Answered by: David O.
Date published: 2018-08-27
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