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Lens Filters

Glass filters specifically for high definition cameras and lenses from Formatt Filters. The development of high definition ("HD") cameras and lenses and their increasingly widespread use has created a number of issues for cinematographers and DPs. Formatt Filters has accordingly developed a range of glass filters which have been specifically designed for HD

Polariser Filters

Linear Polariser

£85 - £160

Rectangular filter

Circular polariser

Linear polariser

A polariser is one of the first glass filters most camera users purchase.  They act as colour and contrast enhancers and reduce glare, and are either ‘circular’ or ‘linear’ depending on how the polarising effect is laid out on the filter.

Main use: To eliminate surface reflections, glare and hot spots from any light source entering the camera. This light often shows up as a whitish glare and reduces the colour in the image.

Because of how they are designed, when two polarisers are placed together it is possible to achieve near black out. This depends on the angle they are lined up against each other, as they are rotated to achieve the desired effect. Using this technique enables the user to create intense effects.

Our filters all come professionally made to the highest standard, and complete with individual protective padded pouch and boxed for additional security, to ensure they arrive to your door in pristine condition.

Linear vs Circular?

Each has the same effect visually; the difference is just in the way the filter polarizes the light passing through. If you own an auto focus or auto-exposure camera (basically any modern camera), a Circular polariser would work best as it doesn’t interfere with your camera’s automatic functions. Digital cameras generally don’t have reflection mirrors, and can therefore use both linear or circular polarisers.

Why choose Linear?

Linear polarisers provide a general colour saturation to both cool and warm tones, used in extremely bright light situations to reduce the amount of light entering the camera. This enables more selective depth of field control.

Note: Linear Polariser’s with auto focus cameras that have a beam-splitting meter, will result in under-exposure as it is effectively polarised twice. However, Linear Polarisers can be used with both non-auto focus and auto focus video cameras.

Why choose circular?

Circular polarisers provide the same filter effects as a Linear Polariser, but are designed to work with auto focus cameras with beam splitting metering.

The Circular Polariser has linear polariser construction plus a built-in "Wave Retardant" to ensure proper exposure and prevent double polarisation.

Circular Polariser

£85 - £160

Rectangular filter

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