[11143] Phottix 3 Ring Macro Extension Tube Olympus

PHOTTIX® 3 RING MACRO EXTENSION TUBE set  for Olympus- consists of 3 individual tubes, camera body mount and a lens adapter. The 3 individual rings can be used separately with the camera body mount and a lens adapter, which is going to change the magnification ratio.
This extension tube does not affect image quality. There are no electrical contacts in the extension tubes.  Focusing, exposure and aperture settings have to be adjusted manually. 
PHOTTIX® 3 RING MACRO EXTENSION TUBE consists of 5 parts:

Camera Body Mount Adapter
Lens Mount Adapter
9mm tube (Tube 1)
16mm tube (Tube 2)
30mm tube (Tube 3)

Here is a visual comparison of the relative performance of various macro / close-up products...

18-200mm macro zoom lens

+3 Dioptre Close-up filter on a 18-200mm macro zoom lens

Macro extension tubes on 18-200mm macro zoom lens

Loreo lens-in-a-cap with a loreo lubot

Macro bellows using a 18-200mm macro zoom lens