The companion Cokin Evo Filter Holder costs an additional £129/$105 in the Z-Pro size, and adapter rings cost around £30/$40, in a range of 49-95mm thread diameter sizes.
For wide-angle shooting, Cokin recommends a minimum focal length of 24mm (P), 22mm (Z-Pro) and 18mm (X-Pro), on a full-frame camera.
These will suit a wide range of lenses with different attachment thread sizes but you also need to keep an eye on the focal length. Three sizes are available, in medium, large and extra-large, or P, Z-Pro and X-Pro in Cokin’s familiar terminology, with 84mm, 100mm and 130mm widths. The latest high-end range of Nuances Extreme filters are made from shock-resistant tempered mineral glass, and this new kit comprises ND8, ND64 and ND1024 filters, with 3-stop, 6-stop and 10-stop ratings respectively.
Either way, here’s our pick of the best ND filters and filter kits currently on the market.Ĭokin’s legendary square filter systems gained huge popularity for film photography in the 1980s and are still going strong today. Screwing in and unscrewing a circular filter to your lens’s attachment thread on a shot by shot basis can be a relatively time-consuming chore. You can attach the adaptor ring and maybe also the filter holder to your lens, compose the shot, apply the correct focus distance and exposure setting, then simply slip the filter (or filter plus filter holder) into place, make the necessary shutter speed adjustment, and take the shot. Considering that, especially with DSLRs rather than mirrorless cameras, a powerful ND filter gives you a virtually black viewfinder image, this arrangement can be preferable. Square filters attach to a filter holder, which then fastens to the front of your lens via an adapter ring. The two main types of ND filter are square and circular. Many manufacturers now make ND filters in a large range of stopping powers, from a single stop to 10 stops or even more Square or circular?
Regular ND filters tend to enable better image quality for stills photography and are more straightforward to use, while fader filters are generally more popular with videographers. These are constructed from a pair of polarizing filters and, when one is rotated against the other, you can typically adjust the stopping power between two and eight stops. Another option is to go for a so-called 'fader' or ‘variable ND’ filter. Many manufacturers now make ND filters in a wide range of stopping powers, from a single stop to 10 stops or even more – you may need to get two or three different densities to suit your needs.
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