Compatible with All Micro 4/3 system Camera Include Olumpus and Panasonic Micro Four Thirds</br></br>Product Description</br></br>Automatic Extension Tube for Micro Four Thirds is an accessory designed for use with Micro Four Thirds Lenses to shoot at close distance with higher magnification.<br/>Since the magnification changes according to the focal length of the lens??you can easily make close-up shots of small subjects??insects or flowers??Furthermore??electronic signals between the camera and lens are transferred through the electronic contacts of the Automatic Extension Tube for Micro Four Thirds??enabling you to use all of the camera's shooting modes??but depending on the shooting conditions??exposure compensation is required.<br/><br/>Specifications:<br/>Size/Weight:  ??57 x 10mm / 21g (approx.)<br/>Size/Weight:  ??57 x 16mm / 27g (approx.)<br/><br/>Mounting the Automatic Extension Tube for Micro Four Thirds:<br/>1.Mount the TUBE on to the lens first.Align the TUBE's dot (for the lens) with the lens's dot.then turn the TUBE clockwise until it stops with a cl