The interchangeable Zuiko Digital 40-150mm f/3.5-4.5 lens (equivalent to 80-300mm in 35mm photography) is perfect for everything from portraits to sports scenes. It features a 3.8x zoom, a f/3.5-4.5 brightness for effects like background blurring and compression, a new multi ...The interchangeable Zuiko Digital 40-150mm f/3.5-4.5 lens (equivalent to 80-300mm in 35mm photography) is perfect for everything from portraits to sports scenes. It features a 3.8x zoom, a f/3.5-4.5 brightness for effects like background blurring and compression, a new multi-coating and reliable metal lens mount, along with 13 elements in 10 groups and a weight of just 15.75 oz./450 grams (approximate).