Inner Focus System
An inner focus system of three groups of floating structure which enables excellent resolution and contrast without changing its overall length from full life-size magnification to infinity. The closest focusing distance can be instantly changed from 15cm to 50cm (0.5ft to 1.64ft) with the switch on the lens barrel.
MEGA O.I.S. (Optical Image Stabiliser)
Optical Image Stabiliser in the lens effectively compensates for the handshake.