This 3-stop, 58mm NiSi PRO Nano IRND Filter is a neutral density (ND) filter with an 8x filter factor and 0.9 optical density. It darkens the entire image to enable use of wider apertures or slower shutter speeds than normally possible, supporting exposure control in video and photo applications.

Key Specifications:
- 58mm diameter
- 0.9 optical density (3-stop exposure reduction)
- 8x ND filter factor
- Compatible with 58mm front filter threads

Notable Features:
- NiSi Optical Nano Coating
- Optical glass construction
- Brass filter ring for durability
- Maintains neutral color in visible & IR spectrums
- Allows creative control over depth of field and motion blur