The NiSi Nano Reverse Graded IR ND filter is a semi-gray filter designed for landscape photographers, made of high-quality nano-coated optical glass. The dimming of the filter is at its greatest in the middle area of the filter and it becomes lighter sharply towards the bottom of the image and gently towards the top of the image. The filter works best for photographing sunsets and sunrises, and it does not affect color reproduction, and other filters can be used with it.
NiSi gray filters are designed for digital cells and they evenly reduce both visible light and infrared frequencies. The NiSi Optical Nano coating used on all filter surfaces enables very even filtering without color errors.
- Made of high-quality optical glass (H-K9L), which guarantees a clear image and good color reproduction
- Very few color flaws or reflections
- No vignetting, can be used together with other filters
- The IRND coating ensures uniform filtering at different frequencies
- Nano treatment on both sides protects against scratches and dirt
- Easy to clean
Technical information
- Protective coating: Nano
- Gray filter type: Reverse
- Filter type: IRGND
- ND factor: ND8 / 3 apertures (0.9), ND16 / 4 apertures (1.2)
- Filter size: 100x150 mm, 150x170 mm, 180x210 mm, 75x80 mm