Mid-range Focus Optimizer 1 (MFO-1)
Introducing our newest Water Contact Optic, the Mid-range focus optimizer or MFO-1. The MFO-1 is designed to elevate your macro shooting experience by eliminating any noticeable focus hunting while ensuring crisper, sharper and more vibrant images.
Key Features:
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Enhanced Image Quality: Say goodbye to the limitations of flat ports. The MFO-1 dramatically improves your image quality, providing more accurate color reproduction and increased clarity by minimizing lens aberration. 
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No Focus Hunting: The converter seamlessly adjusts the focus range of your lens, eliminating noticeable focus hunting and allowing for smooth, precise focusing even in challenging conditions. 
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Focus Range Conversion: For the Nikon AF-S VR Micro-NIKKOR 105mm f/2.8G IF-ED, the MFO-1 converts the focus range to an impressive 12.5cm - 114cm, giving you more flexibility to capture subjects at varying distances with ease. 
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Increased Magnification: For close-up enthusiasts, the MFO-1 converter slightly increases magnification, allowing for incredible detail at extremely close ranges. With the Nikon AF-S VR Micro-NIKKOR 105mm f/2.8G IF-ED, you can achieve up to 1.2X magnification at MFD, and with the Canon RF 100mm f/2.8, you'll get up to 1.6X magnification. 
Mid-range Focus Optimizer 1 (MFO-1) 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 | 
| Mont thread diameter | M67 | 
| Depth rating | 100m | 
*1 Tested with Nikon AF-S VR Micro-NIKKOR 105mm f/2.8G IF-ED
 
             
               
               
                  