Achromatic lens, 52mm thread
Optical construction: Two elements in one group
■ FIT ACU-16 announced at Wetpixel: F.I.T + 16 wet diopter available :: Wetpixel.com
■ In Indonesia Wak..
Diopter: True +10 Underwater, dual element single grouped
Magnification: with 100mm lens is around 2:1, with small DC is around 1.5:1
Depth rating: 50m, It can be used both air/underwater.
Mount thread diameter: 67mm, It can be stacked to increase the&nbs..