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Review: Olympus Zuiko Digital ED 50-200mm f/2.8-3.5 SWD

The most innovative technology in the Olympus Zuiko Digital ED 50-200mm f/2.8-3.5 SWD is an express and robust telephoto zoom lens for the Four Thirds system. In this lens an angle-of-view range similar to that of a 100-400mm lens on a 35mm body.

Specification Olympus Zuiko Digital ED 50-200mm f/2.8-3.5 SWD

• Focal length : 50 mm – 200 mm
• Focal length (equiv. 35mm) : 100 mm – 400 mm
• Lens configuration : 16 elements in 15 groups
• ED lens : 3 ED glass elements
• Lens mechanism  :  Inner focus
• Angle of View : 24 – 6.2 °
• Closest focusing distance :    1.2 m
• Maximum image magnification : 0.21 x / 0.42 x
• Minimum field size : 81 mm x 61 mm
• Number of aperture blades : 9 Circular aperture diaphragm for natural background blurring
• Maximum aperture : 1:2.8 – 3.5
• Minimum aperture  : 1:22
• Filter diamater : 67 mm
• Dimensions :  86.5 mm Ø, 157 mm
• Weight : 995 g
• Compatible to Tele converter EC-14        Yes
• Compatible to Extension tube EX-25       Yes
• Lens Cap              LC-67B (67mm)
• Lens Hood           LH-70C

The Zuiko Digital ED 50-200mm f/2.8-3.5 SWD boasts a dust- and drip-proof construction, a Supersonic Wave Drive auto-focus motor and an iris diaphragm with 9 rounded blades. At the 50mm end of the zoom range, the diagonal angle of view is 24 degrees, equivalent to that of a 100mm lens in a 35mm system.