Manfrotto Shorter Centre Column for new 190 Series Contemporary Sigma Lens Hood LH878 01 for Sigma Lens Hood LH878 01 for 40mm F1 The half bowl adapter allows a Systematic Series 5 tripod to be used with any 75mm diameter half ball fluid head (designed for video but also widely chosen to support long telephoto lenses and spotting scopes) If you need to work with legs set at the third angle of inclination (about 60°) but still need to be able to move the camera up and down to achieve perfect adjust your shot perfectly this shorter column replaces the one supplied with the tripod The shorter column improves the tripod’s positioning flexibility