Sea & Sea Extension Ring 46 with Focus KnobExtension Ring 46 with Focus Knob, provides manual focus for compatible zoom lenses. (Extension ring equipped with port lock).Sea, &, Sea, Extension, Ring, 46, with, Focus, Knob

Sea & Sea Extension Ring 46 with Focus Knob

Extension Ring 46 with Focus Knob, provides manual focus for compatible zoom lenses. (Extension ring equipped with port lock).

SKU: # ss-30117

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Price $479.95

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Price $479.95
Price $479.95

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Overview / Product Description


Sea & Sea Extension Ring 46 with Focus Knob




Extension Ring 46 with Focus Knob, provides manual focus for compatible zoom lenses. (Extension ring equipped with port lock).



  • Compatible Housings: MDX series housings.
  • Compatible Lenses:
    • Canon EF 16-35mm F2.8L ll USM,
    • Canon EF17-40mm F4L USM,
    • Nikon AF-S Nikkor 18-35mm F/3.5-4.5G ED,
    • Nikon AF-S Nikkor 16-35mm F/4G ED VR(as of June2014).
* Compatible FC focus gear required for manual focusing (can be used in conjunction with a compatible zoom gear).