The Olympus Zuiko Digital ED 90-250 mm f/ 2.8 is a unique super telephoto zoom lens for digital cameras with Four thirds (4/3) sensors.
Equivalent focal length: 180 - 500 mm
It is a professional lens according to TOP PRO classification ofOlympus. The lenses of this series have a constant aperture throughout the whole range of zooming; they are always dust and moisture resistant; its optical scheme includes ED elements. These lenses are remarkable for a platinum ring on the lens barrel.
This lens was rewarded Best Product prize at “European Professional Lens 2006-2007”.
The Olympus ZUIKO DIGITAL ED 90-250mm f/2.8 has a rare filter diameter of 105 mm. Exclusive protective filter for this diameter included.
The lens has a unique lens speed of 2.8 for such a focal range. Constant aperture of f/2.8 throughout the entire range of zooming, which makes it possible to use the lens in poor light condition and use depth of field with greater accuracy
It is equipped with a circular 9-blade aperture. It produces nice and flexible bokeh Circles of confusion are round.
The lens produces sharp image across the frame from f/2.8 onward. There are minimal drops in resolution on the edges.
The optical scheme consists of 17 elements in 11 groups, including 3 ED elements. Aberrations are well corrected.
Focusing is internal with a floating mechanism. The front lens does not rotate. Manual adjustment of sharpness is possible at any time by turning the focusing ring.
Color rendering is natural and saturated. Contrast of images is high.
It handles well both side and back light.
TheOlympus ZUIKO DIGITAL ED 90-250 mm f/2.8 is fit for shooting portraits, wildlife, remote subjects, as well as for fragment photography.
Depth of field:
A soft carrying case and a petal hood are included with the lens.
Compatible hood: LH-120B
Posted by: Sergei Borodin Date of publication: 10.09.2010