Athena Optical Dome Port OPD-F170V @compacthousing use a dual sync cord

use a dual sync cord # 45232 instead

Standard Quick Shoe clamp with 50 mm/2

including the temperature fluctuations and storage conditions of the photographer diver

there will be vignetting at the wide side and deteriorated image quality at the telephoto side

Underwater photographing mode

Athena Optical Dome Port OPD-F170V @compacthousing use a dual sync cordAthena 170mm optical dome port with lens hood (removable) for Sea&Sea NX S120 mount (MDX series housings) or Nauticam N120 mount. Specifications Depth rating 100m 330 ft. Dome Size 170mm 6. 7 inch Port Mount Sea&Sea NX S120 mount, Nauticam N120 mount Spare O Ring Sea&Sea Spare O Ring Set #62101 Dimensions 176 x 73mm (DIA x L) Weight 800g 28. 2 oz. Materials Dome: Optical glass BK7 (AR multi coated) Body: Corrosion resistant aluminum alloy (anodized,