The Olympus Zuiko Digital ED 50mm 1:2.0 Macro was one of the very first Four Thirds system lenses, announced along with the launch of the E-1 back in June 2003. With an unusually fast maximum aperture for a macro lens, it’s described as a dual purpose optic also suitable for portraits; indeed it’s the closest to a classic portrait prime Olympus currently produces. The optical design is suitably complex for a macro lens, with 11 elements in 10 groups including 1 ED glass element, and includes a floating focus system for optimum correction across the entire distance range. This enables a minimum focus distance of 0.2m, giving a 1:2 (0.5x) maximum magnification, which translates to an image area similar to that obtained using a 1:1 macro lens on the 35mm full-frame format. The lens incorporates Olympus’s ‘focus-by-wire’ system, whereby the manual focus ring is used to drive the lens’s AF motor electronically (as opposed to being mechanically coupled to the focus unit).
The 50mm F2.0 Macro is also designed for full integration with Olympus’s macro flash system, with both the RF11 ring flash and TF22 twin flash units attaching via the FS-FR1 adaptor ring to a bayonet mount at the front of the lens (which is also used for the hood). Additionally, it can be used with the EX-25 extension tube to achieve 1:1 magnification, and with the EC-14 teleconverter to give a 70mm F 2.8 lens (although in this case Olympus does not recommend using apertures larger then F4).
All of this flexibility comes in a relatively compact and lightweight package (particularly in comparison to equivalent lenses designed for larger formats), and the 50mm F2.0 macro is also one of the the cheapest options for Four Thirds users who require a fast short telephoto lens for portrait shooting and shallow depth of field effects. So does the performance match the potential, and is this a lens which should be in every E-system user’s bag?
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