AquaTech Silicone O-Ring Grease Hard shaper The multifaceted and versatile tool

The multifaceted and versatile tool offers you endless opportunities in just a single modifier

This also means it's easier to put the tripod and head in the bag

4 DG DN from Sigma is an Art-series prime characterised by its advanced and updated optical design

The lens further benefits from the use of one extra-low dispersion element and five aspherical elements to combat aberrations as well as a Zeiss T* anti-reflective coating to keep flare and ghosting to an absolute minimum

AquaTech Silicone O-Ring Grease Hard shaper The multifaceted and versatile toolThis AquaTech Silicone Grease should be used in small amounts on underwater camera housing controls that may stick. It should not be used on O rings.