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Attaching on the Sigma "70mm F2
5oz) Lens construction 3 elements 2 groups Focal length (underwater) (*2) 90mm (3
Ring 33" and "MRS EXT
116 lbs / 50g
Use LOC-LINE 1/2" flex arm to change the angle at will
Sea&Sea DX Dome Port 210 @inonxdmount Attaching on the Sigma "70mmCompared with conventional acrylic material or optical glass, PLANEXT*1 produces superior or comparable optical performance. Manufactured with high precision injection molding, SEA&SEA has succeeded in producing a dome that has the same curvature as a concave meniscus lens.*2 The DX Dome Ports 210`s optical distortion is as small as that of optical glass lenses and when used with an internal correction lens, the highest image quality of high end
