Olympus has recently updated its M4 / 3 lenses blueprint, Add M. Zuiko Digital ED 40-150mm f/4-5.6 and 75-300mm f/4.8-6.7 two new telephoto lens. Fish eye, wide angle, the telescope (expected to occur in the spring of 2011) will be released in accordance with the schedule.

The following is the current M4 / 3 system lenses ─ ─ Family List

Olympus M. ZUIKO DIGITAL ED 9-18mm F4-5.6

Olympus M. Zuiko Digital 14-42mm f/3.5-5.6 (collapsible)

Olympus M. Zuiko Digital 17mm f/2.8 (pancake)

Olympus M. Zuko Digital ED 14-150mm F4.0-5.6

Olympus M. Zuiko Digital ED 40-150mm f/4-5.6

Olympus M. Zuiko Digital 75-300mm f/4.8-6.7

Panasonic Lumix G Vario 7-14mm f / 4

Panasonic Lumix G 20mm f/1.7 (pancake)

Panasonic G Vario 14-42mm f/3.5-5.6 ASPH. MEGA OIS

Panasonic Lumix G Vario 14-45mm f/3.5-5.6 MEGA OIS (stabilised)

Panasonic Lumix G Vario 45-200mm f/4-5.6 MEGA OIS (stabilised)

Panasonic Lumix G Vario HD 14-140mm f/4-5.6 MEGA OIS (stabilised)

Leica DG Macro-Elmarit 45mm f/2.8 MEGA OIS (stabilised)

Leica D Summilux 25mm f/1.4

COSINA NOKTON 25mm F0.95

Noktor 50mm F0.95

Source : http://www.olympus.eu/consumer/downloads/D-SLR-PEN_Lens_Roadmap_09_en.pdf