I have an A7R2, nauticam housing.
28-60+WWL or 8-15+kenko+metabones, which is a better choice?
I usually travel in the tropics to dive. shooting sharks, manta, turtles, etc...
Looking forward to your suggestions.

The two combinations overlap very little

8+15 Kenko goes from 15 to 21 mm

28-60 + WWL is 20 to 42mm

The above in fisheye focal lengths

If you are shooting close range and need a solution for large animals that come close 8-15 Kenko is the best solution

If instead you are not that close and need to zoom in more 28-60 + WWL-1 is a better solution

Ideally you need both or you can get the new Nauticam FCP as all in one

I would be a bit wary of adapted lenses on A7R II; the autofocus performance with adapters on Sony bodies that old is somewhat iffy.

1 hour ago, Interceptor121 said:

The two combinations overlap very little

8+15 Kenko goes from 15 to 21 mm

28-60 + WWL is 20 to 42mm

The above in fisheye focal lengths

If you are shooting close range and need a solution for large animals that come close 8-15 Kenko is the best solution

If instead you are not that close and need to zoom in more 28-60 + WWL-1 is a better solution

Ideally you need both or you can get the new Nauticam FCP as all in one

Very detailed analysis, thanks.

Would kenko x2 be a solution?
Does the kenko x2 lose a lot of IQ?

1 minute ago, boduoguo said:

Very detailed analysis, thanks.

Would kenko x2 be a solution?
Does the kenko x2 lose a lot of IQ?

I have tested the kenko 2x and for me it is not worth it

In addition there is no working zoom gear for canon ef system