The 7-stop, 52mm IRIX Edge ND Filter 52mm 7-Stopfrom IRIX Edge ND Filter 52mm 7-Stopis an essential tool for landscape and long-exposure photography. This filter has an optical density of 2.1 and reduces incoming light by 7 stops, allowing more controlled motion blur and depth of field manipulation.

This optical glass filter features waterproof and oil-repellent nanocoating to prevent stains and fingerprints, allowing it to be used in extreme weather conditions. The low-profile frames and knurled edges provide excellent grip and functionality with a reduced potential for vignetting with wide-angle lenses.

2.1 Optical Density    Multicoating and Resistance Coating    Darkens Entire Image Area    Allows Reduced Shutter Speed    Allows Wider Aperture    Includes Filter Case

Related Questions and Answers

Q: 1. I do not see a high transmission ultra-slim or low profile version of this filter. Will this polarizing filter cause vignetting with wide angle lenses?

A: when using wide angle lens we highly suggest using filter with slim profiles to avoid vignetting.

Q: 2. Can this filter be used with the Nisi v7 filter holder?

A: Yes, the NiSi V7 Alpha 100mm Aluminum Filter Holder can be used with the Haida Red Diamond ND6.0 Filter (100 x 100mm, 20-Stop).

Q: 3. Can I use this for a solar eclipse? Please respond soon because I need it for the 8/21/17 eclipse!!

A: I tested this filter on a Canon 70D with a 300mm focal length lens looking at the Sun. For taking a photo of the partial eclipse, you should use a setting of f11 or higher with a shutter speed of a thousandth of a second or shorter and a low ISO of 100 or less to get an unsaturated sharp image.

Q: 4. "I want to store two PolarPro Peter McKinnon Mist Edition II VND Filters (82mm, 2 to 5-Stop and 6 to 9-Stop) in this case?

A: The PolarPro Helix Peter McKinnon Edition 4-Slot Filter Case is made to hold 4 Helix filters which are 101mm in diameter, and the 82mm filter will fit in the case too, but it might seem too large.

Q: 5. How does this compare to the wide angle low profile filter that is about $40 cheaper? Which one is recommended for videography/filmmaking?

A: The wide angle version is meant for wide angle lenses to prevent vignetting. Otherwise, both versions have the same purpose in mind.

Q: 6. How thin are these? Looking to use them for the rear filter holder of my Tamron 15-30mm 2.6 g2 for Canon

A: These are .1mm thick.

Q: 7. Does this work with the Sony 14mm 1.8?

A: The Kodak 3 x 3" Neutral Density (ND) #96 2.0 Optical Gelatin Wratten 2 Filter can be cut to fit in the rear gel filter holder on the Sony FE 14mm f/1.8 GM Lens.

Q: 8. Will this filter work with both a 58mm tele lens and 18mm wide lens?

A: This filters can work with any lens that has a 67mm front thread. However, you may experience vignetting on wider lenses.

Q: 9. Does this filter have front threads that will accept a screw-on lens hood?

A: Yes, it does. I use it with a lens hood often.

Q: 10. What Filter Thickness is? 2 or 4 mm?

A: The Schneider 4 x 5.65" RHOdium Full Spectrum Neutral Density filters are 4mm thick.