The Lee SW150 Mark II Adapter Ring screws onto the end of the Sigma 20mm f 1.4 HSM Art lens to allow the use of the SW-150 mark II filter holder system (not included, available separately). This adapter consists of a front ring, a compressor ring & a locking ring specifically designed for the Sigma 20mm f 1.4 HSM Art lens. ...

The Lee SW150 Mark II Adaptor Ring screws onto the end of the Sigma 14mm f 1.8 DG Art lens to allow the use of the SW-150 mark II filter holder system (not included, available separately). This adapter consists of a front ring, a compressor ring & a locking ring specifically designed for the Sigma 14mm f 1.8 DG Art lens. ...

Made out of high-quality optical glass, the Lee 150x 150mm SW150 Mark II Big Stopper Filter is a long-exposure ND filter designed to reduce the amount of light entering the lens by up to 10 f-stops. Compatible with the SW150 Mark II System, the Big Stopper is aimed at landscape photographers who use ultra-wide-angle lenses. By greatly extending exposure times the Big Stopper has the effect of allowing anything that is moving in your image to become blurred or ghost-like (e.g. clouds, water etc.). However, the effect is not limited to landscapes & can also be used on cityscapes to blur moving people or cars. The Big Stopper is compatible with the Lee SW150 Filter Holder (not included). ...

In the past keeping your filters easily accessible & safe has been challenging. Now with the sturdy SW150 Field Pouch your filters remain free of dirt & dust, but are close by when you need them. Constructed from a tough & durable fabric that can stand up to wear & tear, the SW150 Mark II Field Pouch features a concertina design with one slot per filter (maximum of 10 filters). It's an invaluable accessory that gives photographers freedom to respond quickly to rapidly changing conditions with the right filter. ...

In the past keeping your filters easily accessible & safe has been challenging. Now with the sturdy SW150 Field Pouch your filters remain free of dirt & dust, but are close by when you need them. Constructed from a tough & durable fabric that can stand up to wear & tear, the SW150 Mark II Field Pouch features a concertina design with one slot per filter (maximum of 10 filters). It's an invaluable accessory that gives photographers freedom to respond quickly to rapidly changing conditions with the right filter. ...

The Lee SW150 Mark II Filter Wrap stores & protects one 150x 170mm filter from getting scratched. ...

The Lee SW150 Mark II Light Shield helps to prevent unwanted back reflections & creates a light tight seal enabling the use of both the Little & Big Stopper. Photographers who already own the SW150 Mark I can retro fit it to their existing SW150 filter holder. The Light Shield comes fitted with the SW150 Mark II Filter Holder. ...

Made out of high-quality optical glass, the Lee 150x 150mm SW150 Mark II Little Stopper is a long-exposure ND filter designed to reduce the amount of light entering the lens by up to 6 f-stops. The Little Stopper is ideal for low-light conditions at the beginning & end of the day (when the Big Stopper's ten stops may prove too much), allowing you to enjoy increased flexibility with exposure lengths. By increasing the length of exposure time, the Little Stopper adds a ghostly, time-passing effect of anything that moves (E.G. sea, clouds, waterfalls, people etc.). The Lilttle Stopper is compatible with the Lee SW150 Mark II Filter System (not included). ...

Compatible with Lee's SW-150 series filter holder system, this Neutral Density Graduated Hard filter set contains a 0.3 (1 stop), 0.6 (2 stop) & 0.9 (3 stop). ND grads are primarily used by landscape photographers, as they allow users to adjust exposure & darken specific areas of an image without affecting the colour balance, such as an over exposed sky, while keeping the rest of the foreground correctly exposed. Each filter features a hard transition from light to dark & measure 150 x 170mm. ...

Compatible with Lee's SW-150 series filter holder system, this Neutral Density Graduated Soft filter set contains a 0.3 (1 stop), 0.6 (2 stop) & 0.9 (3 stop). ND grads are primarily used by landscape photographers, as they allow users to adjust exposure & darken specific areas of an image without affecting the colour balance, such as an over exposed sky, while keeping the rest of the foreground correctly exposed. Each filter features a soft, gradual transition from light to dark & measure 150 x 170mm. ...