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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?
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.
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
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.
Date published: 2018-08-27
question
Can I mount another filter on it?
The Hoya 77mm NDx400 HMC Filter has a 77mm front filter thread, so you could mount a 77mm on the front.
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
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.
Date published: 2018-08-27
question
Hello. Is these filter lens good for use in portrait photography on a high noon sunny shoot?
I only use this filter for long exposure landscape.
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!
Yes it works great. You will need to take off the uv filter first though to avoid vignetting
Date published: 2018-08-27