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Olympus Zuiko Digital ED 90-250 mm f/ 2.8 Lens

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Olympus Zuiko Digital ED 90-250 mm f/ 2.8 lens

Olympus Zuiko Digital ED 90-250 mm f/ 2.8 lens

Olympus Zuiko Digital ED 90-250 mm f/ 2.8 lens

Olympus Zuiko Digital ED 90-250 mm f/ 2.8 lens

MTF-charts

Olympus Zuiko Digital ED 90-250 mm f/ 2.8 MTF Chart

Olympus Zuiko Digital ED 90-250 mm f/ 2.8 MTF Chart

Olympus Zuiko Digital ED 90-250 mm f/ 2.8 MTF Chart

Olympus Zuiko Digital ED 90-250 mm f/ 2.8 MTF Chart

Olympus Zuiko Digital ED 90-250 mm f/ 2.8 MTF Chart

Optical design

Olympus Zuiko Digital ED 90-250 mm f/ 2.8 optical design

Format: 4/3 (Four/Thirds)

Type: Zoom lens

Focusing: Auto Focus (AF)

Lens mounts: 4/3 (Four/Thirds), 4/3 (Four/Thirds), 4/3 (Four/Thirds), 4/3 (Four/Thirds)

First year of production: 2006

Optical design: 17 elements in 11 groups

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Average price: $7117

Specifications:

Focal lengthMax. apertureMin. apertureBladesMin. Focus (m.)Filter Ø (mm.)Weight (gr/oz)Length (mm/in)
90mm - 250mmf/2.8f/2292.5863270/115,3276/10,9

Additional information:

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


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Posted by: Sergei Borodin   Date of publication: 10.09.2010


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