Category Archives: Photography

Sea&Sea Internal Correction lens: the best solution… to date!

Rectilinear wide-angle lenses are one of the biggest nightmares for full-frame UW photographers. The main reason is the lack of image corner sharpness when using these lenses behind a dome port (it also happens with other sensor sizes but in a minor grade). When I am talking about wide-angle lenses I refer about lenses ranging from 14 to 24mm, and the wider the lens the more evident are corner aberrations. Underwater photographers, we tend to use the wider lens that we can, in order to be as close as possible to the subject and get a better contrast and sharpness, […]


Canon 5Ds R: The new resolution Queen

Some days ago I had the opportunity to try the new Canon 5DsR (thanks to Foto Casanovas). This is the new Canon flagship, in terms of resolution, with its new 50Mpixels sensor and the Digic 6 processor. The Japanese manufacturer launched two versions, the 5Ds, with low pass filter, and the 5DsR, without low pass filter, which gives an extra sharpness at a cost of producing some moiré (quite uncommon underwater). Surprisingly the camera has exactly the same body than mythic, and already old, 5DmkIII, which allowed me to use the camera in an existing housing. With only a couple […]