The NiSi 39mm PRO Protection Filter is a simple, clear filter with a 1x filter factor and is designed to provide general protection for your lens. This optically clear filter does not affect overall image quality while helping to prevent dust, scratches, moisture, and other substances from reaching or damaging your lens's front element. Additionally, one layer of NiSi Optical Nano Coating is applied to each of this filter's surfaces to create an improved beading effect when in contact with water for greater cleaning efficiency.

NiSi PRO Protection filters are constructed from optical glass for clarity as well as color fidelity. This filter features a brass filter ring to enhance durability and jamming prevention.

Clear Protective Filter    Prevents Damage to Lens    1x Filter Factor, No Exposure Change    No Effect on Image    NiSi Nano Optical Coating    Optical Glass Construction    Brass Filter Ring    39mm Front Filter Threads    Plastic Case

Clear filter offers general protection for your lens.

Does not require adjustments to exposure while in use.

Creates no additional coloration or contrast.

General protection filter reduces dust, moisture, and scratches from reaching lens elements.

NiSi Optical Nano Coating creates an improved beading effect when in contact with moisture for greater cleaning efficiency.

Constructed from optical glass for clarity.

Brass filter ring helps to prevent jamming and provides additional strength.

Side knurling to provide a more textured grip when mounting or removing filter from a lens.

39mm front filter threads allow for use with other filters.

Plastic case for storage and transport.

Related Questions and Answers

Q: 1. Does this filter screw onto the front element? Or is it made to use with filter holder system only? I need it for my Canon 24-70L II, which has an 82mm thread. Thank you.

A: Yes, it is a regular screw in type filter.

Q: 2. What are the difference among the three? there is no spec listed on this page.

A: According to Nisi, the NiSi S6 Pro CPL for S6 150mm Holder (Natural) is intended to produce pure, natural colors without any warming cast. The NiSi S6 Pro CPL for S6 150mm Holder version is on the warmer side while the NiSi S6 Pro CPL for S6 150mm Holder (Landscape NC) will enhance blues and greens for more vibrancy.

Q: 3. Can you tell how the Nisi S6 True Color CPL differs from the Nisi S6 Pro CPL Enhanced (Landscape NC)?

A: The NiSi Enhanced Landscape CPL has increased saturation, cooler tones, And it includes Nano coating compared to the True Color CPL.

Q: 4. hi B&H, Where is this filter made? and what type of optical glass used?

A: According to our records, the Urth ND2-400 (1-8.6 Stop) Variable ND Lens Filter (43mm), BH #URVND24004 is made in China. Please note that this is subject to change at any time.

Q: 5. Is this filter multi-coated?

A: Yes, the manufacturer has stated that the Urth ND2-400 (1-8.6 Stop) Variable ND Lens Filter (77mm) has an 8-layer nano coating.

Q: 6. Hello, What is the thickness of the filter?

A: The filter is 7mm thick, 2mm of that is thread

Q: 7. Does it have hard stops?

A: The Urth ND2-400 (1-8.6 Stop) Variable ND Lens Filter (82mm) features smooth twist adjustments rather than hard stops for each stop. This allows for seamless and precise control over the amount of light reduction. The filter can be easily adjusted to achieve the desired exposure without any abrupt changes or limitations.

Q: 8. Does anyone know the diameter of this filter's larger top area?

A: While the Urth ND2-400 (1-8.6 Stop) Variable ND Lens Filter (82mm) has filter threads that connect to 82mm filters, the manufacturer does not indicate the exterior diameter of this filter in their specifications.

Q: 9. Could you describe how this polarizer is better than cheaper NiSi USA S5 Circular Polarizer for S5 150mm Holder?

A: On NiSi's website, they claim the NiSi S6 Pro CPL Enhanced (Landscape NC) provides 25% more tonal saturation than the regular S6 Pro CPL. While NiSi has not made comparisons between their S6 Pro and S5 Pro filters, the S5 filter will only work with S5 holders and the S6 will only work with S6 holders. They are not interchangeable. https://bit.ly/2MruGMK

Q: 10. Is this filter stackable? Can the lens cap still fit with this filter on?

A: Urth ND2-400 (1-8.6 Stop) Variable ND Lens Filter (67mm) has a front threaded diameter to attach 67mm lens caps and filters.