Olympus has today announced a new Zuiko Digital ED 70-300 F4.0-5.6 telezoom for its E-System DSLRs to be introduced in October. Slotting into Olympus' 'Standard' range alongside the existing 14-42 and 40-150 zooms the new lens lives up to the Four Thirds promise of lighter, more compact optics measuring 127mm (5") long and weighing a mere 620g. The 2x crop factor on the Four Thirds system gives this lens a field of view equivalent to a 140-600mm lens in 'old money' and a maximum magnification ratio of 0.5x for effective close-up performance, making it an attractive proposition for travel photographers for whom versatility is paramount.

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