NiSi
NiSi 801426 Cinema 4x5.65 True Color Linear Polarizer
★★★★★
Capture True Colors with Exceptional Clarity The NiSi Cinema 4x5.65 True Color Linear Polarizer is engineered to eliminate glare and reflections, enrich color saturation, and maintain authentic color representation in your cinematography. This filter is designed to work with 4x5.65 matte boxes an...
$239.20*$299.00Save 20%
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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
Capture True Colors with Exceptional Clarity
The NiSi Cinema 4x5.65 True Color Linear Polarizer is engineered to eliminate glare and reflections, enrich color saturation, and maintain authentic color representation in your cinematography. This filter is designed to work with 4x5.65 matte boxes and employs Cine seal technology, which enhances the glass edge for better durability and condensation resistance.
Specifications
* Filter Type: Linear Polarizer * Size: 4x5.65 inches * Thickness: 4mm * Material: High definition optical glass with NiSi Nano Coating * Coating: Multi-Coating, Waterproof, Scratch Resistant * Technology: Cine Sealed Technology * Filter Factor: 2x * Effect: Reduces Reflections and Glare, Increases Saturation * Compatibility: 4x5.65" matte boxesKey Features
True color without the warming cast that is seen with many other CPLs
Reduces reflections and glare by filtering out light that has become polarized due to reflection from a non-metallic surface
Cine Sealed Technology to seal the polarizing film
High definition optical glass with NiSi Nano Coating - waterproof, scratch resistant, and easy to clean
For matte boxes that support 4x5.65" size filters that are 4mm thick
Specifications
Product Type
Cinema Linear Polarizer Filter
Size
4x5.65"
Thickness
4mm
Features
True color, Reduces reflections and glare, Cine Sealed Technology
Glass Type
High definition optical glass
Coating
NiSi Nano Coating (waterproof, scratch resistant, easy to clean)
Compatibility
Matte boxes supporting 4x5.65" filters
Pros & Cons
👍 Pros
- Delivers true color rendition without the common warming cast often found with many other circular polarizers, maintaining natural hues.
- Effectively reduces reflections and glare by filtering out polarized light from non-metallic surfaces, enhancing clarity and saturation.
- Features Cine Sealed Technology, which securely seals the polarizing film to protect it from environmental elements and potential damage.
- Constructed with high definition optical glass combined with NiSi Nano Coating, making it waterproof, scratch-resistant, and easy to clean.
- Designed specifically for matte boxes that support 4x5.65" size filters with a 4mm thickness, ensuring compatibility with professional setups.
👎 Cons
- As a linear polarizer, it may not be suitable for all cameras, particularly those with certain autofocus systems, potentially causing issues.
- The 4x5.65" size is specific to professional matte boxes and will not fit standard screw-on lens filter threads.
- The 4mm thickness requires a compatible matte box and may not fit into thinner filter slots on some accessories.
- The primary function is polarization and reflection reduction, so it does not offer other filter effects like ND or diffusion.
- The "true color" claim is a benefit for color accuracy, but might not be noticeable to all users depending on their post-production workflow.
Frequently Asked Questions
What is unique about the color rendition of this NiSi polarizer?
This NiSi polarizer is designed to provide true color without the warming cast often seen with other CPLs, ensuring accurate color reproduction.
How does this filter help with reflections and glare?
It reduces reflections and glare by filtering out light that has become polarized from reflection off non-metallic surfaces.
What does "Cine Sealed Technology" mean for this filter?
Cine Sealed Technology means the polarizing film within the filter is sealed to protect it, enhancing durability and performance in demanding conditions.
Is the filter glass durable and easy to maintain?
Yes, it's made from high definition optical glass with NiSi Nano Coating, making it waterproof, scratch-resistant, and easy to clean.
What are the dimensions and compatibility requirements for this filter?
This filter measures 4x5.65 inches and is 4mm thick, designed for matte boxes that support these specific dimensions.
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