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- Rosco 8609 WindowCling ND9 - 60" x 25' (1.52 x 7.62m) Roll
Rosco 8609 WindowCling ND9 - 60" x 25' (1.52 x 7.62m) Roll
Product code : ROS.101086096025
Rosco 8609 WindowCling ND9 – Maximum Light Reduction with Easy Application
Take Control of Harsh Light with Precision.
The Rosco 8609 WindowCling ND9 is a high-performance neutral density film designed to reduce light transmission by approximately 3 full stops, making it ideal for environments where strong light control is essential. Whether you're shooting on location, managing studio lighting, or enhancing privacy in architectural spaces, this ND9 cling delivers professional-grade results with effortless application.
Key Benefits:
- ND9 Density: Reduces light by 3 stops for maximum glare and brightness control.
- Static Cling Technology: No adhesives – easy to apply, reposition, and remove without residue.
- Generous Roll Size: 60 inches wide by 25 feet long – suitable for large windows or multiple setups.
- Optically Clear: Maintains visibility while significantly reducing light intensity.
- Reusable & Flexible: Ideal for temporary installations or frequent changes in lighting setups.
Perfect For:
- Film & TV Sets: Control daylight and reflections without permanent alterations.
- Photography Studios: Achieve consistent exposure and reduce overexposure in bright conditions.
- Commercial & Office Spaces: Enhance privacy and reduce heat and glare.
- Event Production & Scenic Design: Quickly adapt lighting environments to suit creative needs.
Why Rosco ND WindowCling?
Rosco’s WindowCling series is trusted by professionals worldwide for its durability, clarity, and ease of use. The ND9 variant offers the highest level of light reduction in the series, making it a go-to solution for demanding lighting environments.
- ND9 Density: Reduces light by 3 stops for maximum glare and brightness control.
- Static Cling Technology: No adhesives – easy to apply, reposition, and remove without residue.
- Generous Roll Size: 60 inches wide by 25 feet long – suitable for large windows or multiple setups.
- Optically Clear: Maintains visibility while significantly reducing light intensity.
- Reusable & Flexible: Ideal for temporary installations or frequent changes in lighting setups.
Controlling window brightness is easy with Rosco WindowCling filters. Available in three different neutral densities – and in a unique Day For Night Layer – these ultra-thin filters quickly attach to windowpanes using static electricity to attenuate the amount of windowlight in a scene. Rosco WindowCling filters are also designed to stack on top of each other in order to achieve the needed brightness level as lighting conditions change outside.
Easy To Apply
Rosco WindowCling is available in 60” x 25’ (1.52 x 7.62M) rolls and it uses the power of static electricity to adhere to windowpanes. No more need for soapy water or flat, syrupy clear soda products that attract ants. You don’t even need to pre-cut to size before installation. Just clean & buff the windows – position the WindowCling onto the pane – and then use a matte knife to cut the WindowCling to size. Because the thin WindowCling films are so lightweight, they will cling to windows for days and weeks if left undisturbed. And, because there isn’t any sort of adhesive, the WindowCling filters can be removed just as easily and re-rolled for future use on your next project.

Stackable Window Control
Oftentimes, the brightness level of windowlight changes throughout the day, so filmmakers need a window control solution that they can use to adjust on the fly. In the past, stacking NDs has proven difficult because unwanted color shifts can happen as you add layers of ND. Rosco WindowCling filters have been engineered to cling and layer on top of each other – up to eight stops! This enables filmmakers to quickly and easily adjust their windowlight as the brightness levels change throughout the day.

A Unique "Day For Night" Layer
WindowCling is available in three standard Neutral Densities – N.3, N.6 & N.9 – but it’s also available in D/N rolls that enable filmmakers to darken the windows to make it look like it’s night outside. This unique “Day For Night” layer not only lowers the overall light level of the window by 2.5 stops – it also adds a tint of steel blue to mimic the coloration of moonlight. The next time you need to transform daylight to moonlight for a Day For Night shoot - simply install the WindowCling D/N Layer onto the window, then stack the appropriate WindowCling ND on top to achieve the desired windowlight level needed for the scene.

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