Philip Medcalf 31 January 2025 UWP Equipment, Tips & Hints Using the Olympus 30mm f/3.5 Macro Lens for Underwater Photography Philip Medcalf 31 January 2025 UWP Equipment, Tips & Hints I thought I’d start off a new series looking at the range of Micro Four-Third lenses I use for taking underwater pictures and kick things off with the M. Zuiko Digital ED 30mm f/3.5 Macro lens.