At 430g, the M-Zuiko ED 75-300mm f/4.8-6.7 (150-600mm equivalent at 35mm) measures 2.75 inches in diameter and 4.56 inches long. They claim the lenses allows "almost nearly silent HD recording" and will be available for $US900. The other new lens is the M.Zuiko ED 40-150mm f/4.0-5.6 (80-300mm at 35mm), which will cost $US300.
43rumors says Olympus will announce this gear tomorrow, while keeping the new 12MP Olympus E-5 DSLR, which has the new TruePic 5 processor, 720p video at 30 frames per second and a mic jack. [43rumors]