Sigma

Sigma AFL950 46mm EX DG Circular Polarizer Filter

4.2 (173 reviews)

Enhance Your Images: Sigma AFL-950 Circular Polarizer FilterIntroducing the Sigma AFL-950 46mm EX DG Circular Polarizer Filter, a must-have accessory for enhancing your photography. This filter reduces glare and reflections, deepens blue skies, and saturates colors, allowing you to capture stunni...

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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

Enhance Your Images: Sigma AFL-950 Circular Polarizer Filter

Introducing the Sigma AFL-950 46mm EX DG Circular Polarizer Filter, a must-have accessory for enhancing your photography. This filter reduces glare and reflections, deepens blue skies, and saturates colors, allowing you to capture stunning images with improved clarity and contrast.

  • Type: Circular Polarizer
  • Size: 46mm
  • Effect: Reduces glare and reflections from non-metallic surfaces
  • Construction: Glass

Key Features

Used to select which light rays enter your camera lens, and which light rays are reflected

Removes unwanted reflections from non-metallic surfaces such as water or glass, and saturates colors providing better contrast

Eliminates ultraviolet rays to remove haze from outdoor shots without affecting the overall color balance

Single-coated circular polarizer, with an 86-millimeter thread size, and a filter factor between 2.3 and 2.8 or 1.3 f-stops

Constructed of high-quality optical glass

Specifications

Filter Type
Circular Polarizer
Filter Size
46mm
Coating Type
Single-coated
Filter Factor
2.3 to 2.8
F-Stop Reduction
1.3 f-stops
Material
High-quality optical glass

Pros & Cons

👍 Pros

  • This filter helps remove unwanted glare from non-metallic surfaces like water or glass.
  • It saturates colors and enhances contrast for more vivid outdoor photographs.
  • The filter eliminates ultraviolet rays, reducing haze in outdoor shots without changing color balance.
  • Constructed with high-quality optical glass for durability and consistent performance.
  • Specifically designed to be a single-coated circular polarizer with a 46mm thread size.

👎 Cons

  • The single-coated design may offer less reflection reduction compared to multi-coated options.
  • A filter factor between 2.3 and 2.8 means approximately 1.3 f-stops of light loss, requiring exposure adjustment.
  • Only a 46mm thread size is mentioned, limiting direct compatibility to lenses with this specific dimension.
  • The feature set does not include advanced coatings for water or oil repellency.
  • Information about the frame material or thinness, which can affect vignetting, is not provided.

Frequently Asked Questions

This filter significantly reduces unwanted reflections from non-metallic surfaces like water or glass, and improves color saturation and contrast, making it ideal for landscapes and outdoor scenes.
No, this Sigma filter is designed to eliminate ultraviolet rays and reduce haze without altering the overall color balance of your outdoor shots.
This filter has a 46mm thread size. A filter factor between 2.3 and 2.8 means it reduces the amount of light entering the lens by approximately 1.3 f-stops, which may require adjusting your camera's exposure settings.
This filter is specifically designed to select which light rays enter your camera lens, and which are reflected, making it broadly compatible with cameras that can accept a 46mm filter.
The Sigma AFL950 46mm EX DG Circular Polarizer Filter is constructed from high-quality optical glass to ensure clear image quality.