This 100 x 100mm Urth ND Filter Plus+ 100x100mm 4-Stopfrom Urth ND Filter Plus+ 100x100mm 4-Stopdarkens the entire image area, allowing motion blur to be captured and greater creative control over depth of field. This ND16 filter reduces exposure by 4-stops, allowing the desired settings to be maintained in overly bright conditions to create dramatic motion blur and shallow depth of field. This filter is fabricated from German Schott glass for true light transmittance and supreme image sharpness. The filter surface features a 20-layer nano-coating, providing neutral color balance, reduced lens flare and ghosting, and protection from smudges and scratches.

Compatible with the Urth 100 x 100mm Square Filter Holder System and most 100mm square filter holders.

1.2 Optical Density    20-Layer Nano Multicoating    Schott Optical Glass    Darkens Entire Image Area    Allows Wider Aperture    Filter Thickness: 2mm    Allows Longer Shutter Speeds    Includes Filter Pouch

Related Questions and Answers

Q: 1. Will it fit inside of the Canon 200mm f/2?

A: If your camera lens has a diameter of 52mm, then it should fit....The lens mm diameter is compatible with any filter with the same mm diameter it claims to have. Hope this helps!

Q: 2. Does this filter show IR pollution color shift on BMPCC4K?

A: We have not been able to test this filter. But it is a high quality filter that should not shift in color.

Q: 3. Which country is making it?

A: The Country of Origin for this product is China.

Q: 4. will this fit on the Canon 8-15mm fisheye lens?

A: Yes this filter can fit a Canon EF 8-15mm lens.

Q: 5. Will this filter work in the Lee Holder?

A: The filters I use fit in the Cokin Size P holder - that is 84mmx120mm - there are several sizes available so be aware of the sizes. Also stacking these neutral density filters can add a slight magenta hue to color images - that is due to the new environmentally friendly chemicals used in the dyeing process. This is something that can be corrected in post processing

Q: 6. I have a UV protective filter, Can i use it in addition to a Polarize filter? Stack all 3?

A: It's typically advised you don't stack filters due to diminishing transmission and risk of unwanted glare/artifacts/color-shifting/cross-polarization.

Q: 7. Is this filter compatible with the nisi 100mm v5 system?

A: Yes. The B+W 100 x 100mm XS-Pro MRC-Nano 803 Solid Neutral Density 0.9 Filter (3-Stop), B&H # BW803440, is a 100 x 100mm / 4 x 4 filter that is 2mm thick. The B+W 100 x 100mm XS-Pro MRC-Nano 803 Solid Neutral Density 0.9 Filter (3-Stop) would be compatible for use in the NiSi V5 Pro 100mm Filter Holder Kit.

Q: 8. Will this fit the Lee Foundation kit holder?

A: The Singh-Ray 100 x 150mm George Lepp 0.9 Neutral Density Filter will fit the Lee Foundation Kit filter holder.

Q: 9. Can additional filters be added on top of the Nano 810 to stack filters?

A: There is a 67mm front thread on this filter, so you can stack filters as needed. However, there is a risk of vignetting as you add more than one filter.

Q: 10. What filter system do you recommend/use with this filter?

A: This is a 100 x 100mm - 2mm thick filter, and one of the most popular systems for that size is the LEE Filters LEE100 Filter Holder (https://bhpho.to/2Tg0TrU)