B+W ND Square Filters

£130/$TBA www.manfrotto.co.uk/bwfilters

B+W’s new square ND filters can help you soften a seascape, blur clouds or remove crowds from bustling city streets. Available in 2, 3, 6 and 10-stop variants, each is manufactured from precision-ground and polished glass boasting a whopping seven coating layers on each side. These nano coatings provide superior anti-reflective properties, as well as dirt- and water-resistance. The 100mm-square, 2mm-thick filter dimensions ensure compatibility with a wide range of different filter holders and provide full coverage of typical lens diameters.

First impressions_ Square filter versatility and quality construction help justify the premium price of these no-compromise filters.