NiSi Circular ND Filter

The NiSi kit features a slim frame design specifically engineered to minimize the risk of vignetting. However, if you are using an ultra-wide lens, it is always best to test the fit, as physical stacking can sometimes introduce slight darkening at the extreme edges.

While you can technically stack them, it is generally not recommended as it can lead to vignetting and a potential reduction in image sharpness. The kit is designed so that you can select the specific density you need for the shot rather than layering multiple filters.

This specific filter acts as both a 6-stop neutral density filter and a polarizer. You can rotate the outer ring to adjust the polarization effect to cut glare on water or glass while simultaneously reducing the light entering your lens by 6 stops.

Yes, the filters are designed with front threads, which means you can attach your standard lens cap directly to the front of the filter while it is mounted on your lens.

No, these filters are crafted from high-quality optical glass with advanced IR coatings. This ensures that your images remain color-neutral and sharp, preventing the common color casts often found in lower-quality ND filters.

You need to check the filter thread size of your specific lens, which is usually indicated by a number next to a diameter symbol (ø) on the front or side of the lens barrel. If your lens is not 77mm, you would need a step-up or step-down adapter ring to use this kit.