75mm half bowl video adapter systematic, series 2-4

The Gitzo GS3321V75 Series 3 Systematic 75mm Half-Bowl Fluid Video Head Adapter is a tripod accessory that enables the use of all Series 2-3-4 Systematic Gitzo tripods (except Series 4 aluminum tripods) with a 75mm half ball video head. These heads are designed for videography but they are also popular with photographers who use long telephoto lenses.
The GS3321V75 is compatible withthe safety catch feature in the updated Systematic tripod range, which offers secure, accident-proof support even when switching critical components. This model is made of aluminum and weighs 81 grams.