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SEA & SEA EXTENSION RING 46 WITH FOCUS KNOB

SEA & SEA EXTENSION RING 46 WITH FOCUS KNOB

SKU: 30117

Extension Ring 46 with Focus Knob provides a 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).