Formatt Hitech 5.65 x 5.65" Firecrest ND 0.3 to 0.9 Filter Kit Monoculars The tough water-resistant

The tough water-resistant

It is required for use with the Vinten 3372-3 tripod shipping tube

Optical system: all-glass

and thereby eliminating the need for developing a custom dewarping/image stitching algorithm that's generally needed with wide-angle lenses

Formatt Hitech 5.65 x 5.65" Firecrest ND 0.3 to 0.9 Filter Kit Monoculars The tough water-resistantIncludes 3 Firecrest ND Filters 0. 3 to 0. 9 Densities, 1 to 3 Stops Increase Exposure Length Greater Control Over Exposures Neutral Results Across All Spectrums Sandwiched 15 Layer Multi Coating Hydrophobic and Scratch Resistant 4mm Thick Schott Superwite Glass Padded Pouch The Formatt Hitech 5. 65 x 5. 65" Firecrest ND 0. 3 to 0. 9 Filter Kit contains 3 Firecrest ND filters, ranging in density from 0. 3 to 0. 9 to provide a reduction in exposure