Van Diemen Films Case Study- Damping Grease Van Diemen Films has been established for 34 years in the design and manufacture of motion picture lenses using their patented WireformTM lens drive technology. This mechanical drive system provides very smooth movements with a variable pitch driving the focus unit more quickly at close focus than at the infinity end of the focus movement providing durability in service and resilience under severe conditions of use. These lenses fully cover the Academy format but can also be used with larger frame sizes. The optical design has particularly good performance at close focus distances with resolution and contrast maintained at full aperture. It should be noted that the Nyogel 774 range is available in 5 levels ofviscosity, from the Nyogel 774VL (Very

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