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Lee 100mm Square Polariser. Circular Polariser

Lee 100mm Square Polariser. Circular Polariser

£175.00 Incl. VAT£145.83 Excl. VAT

Lee Filters offer a variety of Polarisers for their filters systems, in both Linear and Circular types. Most people would assume that they are all round in shape, but this is not the case for all. The Lee 100mm x 100mm  Square Polariser is available for users of the Foundation Filter Holder and Lee 100 Holder. When the Lee Foundation Filter Holder was introduced more than 30 years ago, the Square Polariser was the only choice. Now superseded by the round shaped polarisers, the square polariser survives due to its use in industrial, scientific and research use.

Shown as in stock, please call to confirm

SKU: CIRCPLGLS100U2 Categories: ,
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Lee 100mm Square Polariser. Circular Polariser

Lee Filters offer a variety of Polarisers for their filters systems, in both Linear and Circular types. Most people would assume that they are all round in shape, but this is not the case for all. The Lee 100mm x 100mm  Square Polariser is available for users of the Foundation Filter Holder and Lee 100 Holder. When the Lee Foundation Filter Holder was introduced more than 30 years ago, the Square Polariser was the only choice. Now superseded by the round shaped polarisers, the square polariser survives due to its use in industrial, scientific and research use.

Polarisers as they are also known as) are a very important light control tool in the photographer’s kit bag, they can be used for 3 different reasons.

  1. Glare and light reflected from non metallic objects (e.g. glass, water) can be altered by the rotation of the polarising filter. This effect can be seen through the lens of reflex cameras as the filter is rotated to adjust the polarisation state.
  2. When used outside on sunny days, polarising filters have the effect of saturating colours and deepening blue skies. They can also be used in conjunction with other filters (although the polariser should always be placed in front of polyester filters to ensure it functions correctly) for a wide range of effects.
  3. A not commonly known fact, is that a polariser can also be used as an ND filter when the polarisation state has been adjusted to minimise any saturation or sky deepening if not required.

Polarising filters are available in two types, Linear and Circular. Initially confusing, these terms do not refer to the physical shape of the filter, but to the way the filter changes the light waves to achieve the polarising effect. The type of polariser required (Linear or Circular) depends entirely on the type of camera the photographer is using.

Modern reflex cameras with autofocus or complex metering systems, will only function correctly when a Circular polariser is used, as a Linear Polariser will affect the metering and autofocus operation. Manual focus cameras of all types (35mm, Medium Format and Large Format) can normally be used with either a linear or a circular type.

The 100mm square polarisers are to be used in the filter holder in a standard 2mm resin filter slot; and the entire holder is then rotated to achieve the correct polarisation state.This is recommended for studio use or for when only the polariser and, possibly, standard filters are to be used.

Typically, polarising filters require a 1 2/3 stop exposure increase, but this should be checked with individual cameras and metering systems.

Features:

  • Glass Polariser (Circular)
  • 100mm x 100mm size
  • Made of 2mm thick Glass
  • Pro optical quality Glass filters

 

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