NiSi

NiSi 111785 ND8 100x100mm IR ND Filter

4.8 (61 reviews)

Capture stunning long-exposure landscapes with true-to-life color using this hardened glass 3-stop ND filter.

$145.00*
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*Price sourced from Amazon.com. Last updated:Jul 14, 2026.Price and availability are subject to change.

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Overview

The NiSi ND8 100x100mm Explorer Collection IR ND Filter is built for landscape and long-exposure photographers who demand optical precision without compromise. Its 0.9 density provides a 3-stop reduction in light transmission, allowing you to slow shutter speeds enough to blur moving water, streaking clouds, or bustling crowds while maintaining a correctly exposed image. The infrared coating is a critical feature — many ND filters allow IR light to pass through, which creates an unwanted reddish or magenta color shift especially visible in foliage and long exposures. NiSi's IR treatment blocks this contamination, delivering consistently neutral and true-to-life color across the frame.

Constructed from hardened optical glass with nano coating, this filter is engineered for photographers who work in demanding outdoor environments. The hardened glass is significantly more resistant to impact and scratching than standard optical glass or resin alternatives, and the nano coating helps repel water, dust, and fingerprints for easier maintenance in the field. At 100x100mm with a 2mm thickness, it slots into the NiSi 100mm holder system as well as any compatible third-party system, giving photographers flexibility in their filter setup. Whether you are shooting seascapes at golden hour or smoothing a waterfall in midday light, this filter provides a reliable and optically clean 3-stop reduction without the post-processing headaches that cheaper alternatives often introduce.

Key Features

Hardened Glass Filter, Less Prone to Accidental Damage

0.9 density provides a 3 stop reduction of light entering the lens

Made for Active Photographers that Love Adventure

True to life color, No color cast

Compatible with the NiSi 100mm System and any other systems that hold 100x100mm filters with 2mm thickness

Specifications

Filter Type
ND8 (Neutral Density)
Density
0.9 (3-Stop)
Size
100 x 100mm
Thickness
2mm
Material
Hardened Optical Glass
Series
Explorer Collection
Coatings
IR (Infrared) Coating, Nano Coating
Brand
NiSi
Model
111785

Pros & Cons

👍 Pros

  • Hardened glass construction resists scratches and accidental damage better than resin alternatives
  • IR coating effectively eliminates the warm color cast common in many ND filters
  • Neutral color rendition preserves accurate tones without post-processing correction
  • Compatible with multiple 100mm filter holder systems, not limited to NiSi holders
  • 3-stop density is a versatile middle-ground strength for a wide range of lighting conditions

👎 Cons

  • Square 100x100mm format requires a separate filter holder system, adding cost for new users
  • Only available in a single 3-stop density, so additional filters are needed for heavier light reduction
  • The 100x100mm size does not fit smaller filter holder systems like 75mm or 85mm setups
  • Premium hardened glass construction comes at a higher price point than budget resin ND filters

Frequently Asked Questions

A 3-stop reduction means the filter allows only 1/8th of the light through, letting you use shutter speeds roughly 8 times longer than without the filter — ideal for smoothing water or capturing cloud movement.
NiSi's IR coating is specifically designed to block infrared light contamination, which is the primary cause of color cast in ND filters. Users can expect neutral, true-to-life color reproduction.
It fits the NiSi 100mm filter holder system and any third-party system that accepts 100x100mm square filters with a 2mm thickness.
The filter is made from hardened optical glass that is significantly more resistant to scratches and accidental impacts than standard glass or resin filters, making it suitable for outdoor and adventure photography.
Yes, it can be stacked with other 100x100mm filters such as graduated ND filters in a compatible holder, though stacking multiple filters may increase the risk of vignetting on wider focal lengths.