Lee Filters

100mm Square Polarizer

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The Square Polarizer for the LEE 100mm System slots into the normal filter holder (as illustrated) where it can be rotated to the desired angle.

It is recommended for studio work or when no graduated filters are required. If ND Grads are important the 105mm Rotating Polarizer with the 105mm Accessory Ring is a better choice as it allows independent rotation of the graduated filters and Polarizer..

The Polarizer removes light which has become polarized by bouncing off flat non-metallic surfaces such as glass or water. Filtering this light can eliminate reflections, remove glare, darken blue skies and generally increase saturation.

It is a Circular Effect Polarizer (nothing to do with its shape!) which is ideal for most cameras  because it doesn't interfere with their complex metering and auto-focus systems.

LEE 100mm System Logo

The LEE Polarizer with Joe Cornish

Pro Tips

Exposure Correction

A polarizer will reduce your exposure up to 1⅔ stops.


This filter will give different results depending on how it's oriented in the holder. Turning through 90° in the holder can be useful, especially if using ND Grads.