Posted 09 October 2017 - 09:48 AM
I use the Wideport quite a bit with the Canon 8-15mm lens for shooting at very close range (to zero distance from the port) and water too shallow for a larger diameter port. Submerging even the Wideport can be challenging. It is best to use smaller apertures.
Thomas C. Kline, Jr., Ph. D.
Oceanography & Limnology
Currently used housed digital cameras: Canon EOS-1Ds MkIII, EOS-1D MkIV, and EOS-1DX; and Nikon D3X. More or less retired: Canon EOS-1Ds MkII; and Nikon D1X, D2X, and D2H.
Lens focal lengths ranging from 8 to 200mm for UW use. Seacam housings and remote control gear. Seacam 60D, 150D, and 250D, Sea&Sea YS250, and Inon Z220 strobes.