see also:

• Olympus Four Thirds dSLR system
• Four Thirds lenses
• super telephoto lenses
• Olympus website product info

image courtesy of Olympus Imaging Corporation

• Super High Grade (SHG) Olympus Four Thirds dSLR system lens
• a superb lens for birding, and wildlife, and it's the only way with any camera system to get 600mm telephoto reach at f/2.8!
• hand holdable for short periods - it is just over 3kg.
• no optical image stabiliser elements to degrade the image, so this may be a big advantage for astrophotography

• 300mm focal length = 600mm field of view in 35mm terms
• f/2.8-f/22
• weatherproofed
• 13 Elements in 11 Groups, including 3 ED Lens Elements and 1 Filter Holder
• close focus 2.4m
• 9 circular blades
• 43mm drop in filters - Neutral, ND4, ND8, and polarizing inner filters included as standard equipment
• 127 x 285mm
• 3,290g with tripod adapter
• compatible with extension tubes and teleconverters
• $6999

• SLRGear.com review
• 300mm f/2.8 on the OM-D E-M1 for surfing photography