Why? I flooded my macro lens and I was left with 10.5 only. I wanted to shoot some smaller stuff too, I tried this combination: Nikkor 50mm 1.8D with +4 diopter behind ikelite 6" tiny fish eye port.
Here are some samples: 50mm 1.8D - test
Unfortunately I only tried that on one night dive with strong current, so I did not manage to test how close it could actually focus. I liked the sharpness of this combination. Not great photos but they prove it works ![]()
Anyway I will give it some more testing. I'm thinking about using it in a minimalistic travel kit:
1) Ikelite with 6" FE port - the port is tiny and the whole housing with port on it fits in my Lowepro backpack.
2) 10.5mm, 16mm and 50mm - all go behind the same port
3) 50mm is not a true macro but seems ok for anemone fish etc.
What do you think?