2 stop (0.6) soft edge reverse graduated ND filter
Densest part of graduated ND is at center of filter, graduating to lightest part at top
Ideal for sunrises and sunsets which require adjustment of light at horizon
Made in the UK in rugged and durable CR39 resin
Compatible with Formatt Hitech 100mm , Firecrest 100mm, Lee 100mm and Nisi 100mm systems