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LEE Filters 150 x 170mm SW150 ND Filter

$129.99
SKU SW150-3NDG-S

Landscape photographers have long understood the benefits of ultra-wideangle lenses, but their design constraints made the use of filters virtually impossible. Now, the SW150 Mark II filter system opens up opportunities for the creative use of filters, without the need to be concerned about vignetting.

The SW150 Mark II fits via a lens adaptor that has been specifically designed for that particular lens (the adaptor is purchased separately from the filter holder).

Those who use filters regularly for their work will know that there are two main substrates used in the manufacture of filters – resin and glass. LEE Filters uses both in its extensive range, and it’s important to understand why we may choose one over the other, in particular when it comes to graduated filters.

Our graduated filters are all made by hand in our UK-based factory, and our resin is an optically correct polycarbonate of the highest quality, which we also manufacture ourselves. The reason we use this substrate is because of its ability to ‘take’ the dye evenly and controllably. Also, thanks to the carefully selected organic compounds that give the resin its high optical quality, the filters have a very low reflectance that mean no additional anti-reflection coatings are required. Because of this ability to control every stage of the production process, we are able to ensure maximum consistency and reliability of our filters.