Nauticam Mid-range Focus Optimizer 1 (MFO-1)

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Nauticam Mid-range Focus Optimizer 1 (MFO-1) Nauticam's Mid-range Focus Optimizer is designed with several objectives in mind: first, it eliminates the focus hunting that plagues m any macro lenses by limiting the focusing range to infinity, allowing the lens to lock onto subjects more quickly and consistently. Second, it provides a small magnification bump for those subjects that are just a bit too small to fill the frame, even when shooting at 1:1. Third, it improves overall image quality by minimizing aberrations and correcting some of the optical problems that arise when shooting underwater through a flat port. Together, these improvements make the MFO-1 a indispensible tool for achieving faster, more reliable focusing, greater subject magnification, and sharper, cleaner macro images underwater. © Matthew Sullivan Compatibility Chart Mid-range Focus Optimizer 1 (MFO-10 Specifications Dimensions OD 70mm x H 26mm Weight in air 218g Buoyancy in water Negative 150g Magnification (*1) 1.2x Working Distance (*1) 12.5cm - 114cm Body Construction Hard-anodized aluminum alloy Lens construction 3 elements in 2 groups Lens Coatings Anti-reflection coating Mount thread diameter M67 Depth rating 100m *1 Tested with Nikon AF-S VR Micro-NIKKOR 105mm f/2.8G IF-ED split resources Included in the box: Front and rear rubber caps Neoprene bag M67 Spacer ring for SMC/CMC Cleaning cloth Compatible Lenses (More to be tested) Nikon AF-S VR Micro-NIKKOR105mm f/2.8G IF-EDMax. Magnification: 1.2x, Working Range: 12.5cm-114cm Nikon AF-S Micro NIKKOR 60mm f/2.8G EDMax. Magnification: 1.1x, Working Range: 1.2cm-112cm Olympus M. Zuiko Digital ED 60mm f2.8 MacroMax. Magnification: 1.1x, Working Range: 5.8cm-112cm Show more