... greater the magnification. This compact and lightweight extension ring set slides on or off your camera ... exposure control will automatically compensate for the lens extension.The magnification ratio is calculated as follows:(Assuming ... lenses carefully before purchasing the extension tube. (Third-party) Macro Extension Tube Set for Minolta MC/MD ... 1, XG-s, XG-se, XG-m, XG-e, XG-a; X Series: X-700, X-600 ...