Olympus has announced the M Zuiko ED 40-150mm F2.8 Pro lens. This weatherresistant lens can withstand dust, splash and temperature. The telephoto zoom lens covers a range of 80-300mm. It uses a dual-linear motor to enable power focusing of two highgrade lens elements. It features an inner zoom mechanism that maintains its portable size of about 6 inches. The company also announced a 1.4x teleconverter. When used with this 40-150mm lens, the equivalent telephoto reach extends to 420mm.