No need for setting focus
It is designed exclusively for Olympus TG-3/4 & housing PT-056. Just set the lens directly to Olympus PT-056 housing and no need any adjustment for focusing and others, with setting in "Microscope" mode on camera TG-3/4.
*It can be used for Olympus TG-5 & PT-058.

Making a new underwater world
It can prepare an enjoyable time to make a creative new photography and a new underwater world.

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