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NiSi NIR-138-POLA Cinema 138mm Round Linear Polarizer — main product image
NiSi

NiSi NIR-138-POLA Cinema 138mm Round Linear Polarizer

Control Light with Precision: NiSi Cinema 138mm Round Linear Polarizer Achieve stunning cinematic visuals with the NiSi Cinema 138mm Round Linear Polarizer. Designed for professional TV and motion picture cameras, this polarizer fits directly into a matte box rotating donut, allowing you to contr...

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Overview

Control Light with Precision: NiSi Cinema 138mm Round Linear Polarizer

Achieve stunning cinematic visuals with the NiSi Cinema 138mm Round Linear Polarizer. Designed for professional TV and motion picture cameras, this polarizer fits directly into a matte box rotating donut, allowing you to control reflections, enhance color saturation, and reduce distortion with ease.

Specifications:

  • Brand: NiSi
  • Model: NIR-138-POLA
  • Type: Linear Polarizer
  • Diameter: 138mm
  • Frame Material: Aluminum
  • Glass Material: NiSi Water White Glass with Polarization Coating
  • Compatibility: Matte Box Rotating Donut

Key Features

Reduces or removes Reflections from non-metallic surfaces

Enhances Color Saturation

Fits directly into 138mm matte box donut

Ultra-low Color Cast

Made of NiSi water white optical glass with polarizing film

Specifications

Filter Type
Round Linear Polarizer
Filter Diameter
138mm
Glass Type
NiSi water white optical glass
Mounting
Fits 138mm matte box donut
Color Cast
Ultra-low

Pros & Cons

👍 Pros

  • The filter is effective at reducing or completely removing reflections from non-metallic surfaces, improving image clarity.
  • It enhances color saturation, making colors appear more vibrant and true to life in photographic and video capture.
  • Designed to fit directly into a 138mm matte box donut, ensuring straightforward and secure integration into professional cinema setups.
  • Manufactured with ultra-low color cast, preserving natural color rendition without introducing unwanted hues.
  • Constructed from NiSi water white optical glass combined with a high-quality polarizing film for superior optical performance.

👎 Cons

  • The specific 138mm size limits compatibility to matte boxes that support this diameter, requiring specific professional equipment.
  • While it fits matte boxes, additional details on filter rotation mechanisms or ease of adjustment are not specified.
  • The description does not mention any multi-coating features which could further reduce flare or protect against scratches and smudges.
  • Being a linear polarizer, it might not be ideal for all modern camera systems, as some autofocus and metering systems perform better with circular polarizers.
  • The description focuses on optical benefits but does not provide information regarding its physical durability or resistance to impact in demanding production environments.

Frequently Asked Questions

The primary function of this polarizer is to reduce or completely remove reflections from non-metallic surfaces and enhance color saturation in images.
This filter is designed to fit directly into a 138mm matte box donut, ensuring compatibility with standard cinema equipment.
It is constructed from NiSi water white optical glass with a high-quality polarizing film, contributing to its optical performance.
This polarizer is designed with ultra-low color cast, which means it aims to preserve natural color rendition without introducing unwanted color shifts.
This filter is specifically designed to fit into a 138mm matte box donut, which is typically used with cinema lenses, not directly on standard photographic lenses.

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