Olympus 90-250mm f/2.8 ED Zuiko Lens

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Sports and Nature Photographers Will Love The Versatility of This Powerful Lens

Olympus 90-250mm f/2.8 ED Zuiko Digital Telephoto Zoom LensThis powerful super-telephoto zoom lens has a large-aperture (fixed F stop type) and is is equivalent to 180-500mm focal lenth on a 35mm camera. Only fixed focal super-telephoto lens could have provided wide-open f/2.8 shots in the past, however, this lens provides f/2.8 shots through the entire zoom range  Three ED lenses are used to give the highest image quality with optimal resolution and contrast. 

Sports and nature photographers will love the versatility of this powerful yet easy to handle super-telephoto zoom lens, built specifically for digital photography. Its fast f2.8 aperture and impressive zoom range let you shoot moving subjects with confidence while its splashproof, dustproof design and all-metal barrel construction provide extreme durability in any environment. Three ED glass lenses provide outstanding image quality with optimal resolution and contrast. A built-in computer microprocessor communicates directly with the camera's software to correct lens distortions, shading, and exposure information for even further image accuracy.

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Lens styleZoom lens  
Max Format Size Four Thirds  
Lens focal length90 250 mm  
Stabilization type No  
Camera mount Four Thirds  
Angle of view 14 - 5  
Largest aperture opening F2.8  
Smallest aperture opening F22.0  
Includes aperture ring No  
Total diaphragm blades 9  
Total Elements 17  
Number of Groups 12  
Coatings / special elements 3 ED glass lens elements  
Minimum focus distance 2.50 m (98.43")  
Maximum magnification ratio 0.08 x  
Autofocus type Yes  
Lens motor Micromotor  
Full time manual focus Yes  
Focusing method Internal  
Lens distance scale Yes  
Depth of field scale Yes  
Overall weight3270 g (7.21 lb) 115.4 oz  
Lens diameter 124 mm (4.88")  
Overall length 276 mm (10.87")  
Sealing Yes  
Lens color Black  
Zooming method Rotary (internal)  
Filter thread size 105 mm  
Lens hood included Yes  
Lens hood code LH-120B  
Tripod collar included Yes

Lens Includes
Olympus 90-250mm f/2.8 ED Zuiko Digital Zoom Lens for Olympus Digital Cameras (Four Thirds System)
Front & Rear Lens Caps
Tripod Adapter
105mm Protective Filter
Lens Pouch
User Manual
1-Year Olympus U.S.A. Limited Warranty

Adequate, with Trade-offs, October 26, 2008

By James D. DeWitt "Alaska Fan" (Fairbanks, AK United States)

I already own Zuiko's excellent f2.8 300mm fixed lens, Olympus 300mm f/2.8 Super Telephoto ED Lens for Olympus Digital SLR Cameras. It's a superb lens, and works very well with both Zuiko's 1.4X teleconverter, Olympus EC14 1.4x Teleconverter Lens (for at f/2.8 on E-System lenses), and its 2.0X teleconverter, Olympus Zuiko EC-20 2x Teleconverter for Olympus Digital SLR Cameras.

But there are situations in which you need more flexibility; the bird or the animal is too close for a fixed 300mm, for example. So I purchased the 90-250mm. And after two weeks of field photography, I have to say it's a decidedly mixed bag.

On its own, without a teleconverter, the lens is good. For a wide range, powerful telephoto, it gathers an impressive amount of light, and has the same f2.8 aperture across the entire zoom range. It's simply not as razor sharp as the fixed 300mm, but it's still quite sharp. The teleconverters are a different story, however. The 1.4X is adequate, unless you want exceptional detail. With the 2.0X teleconverter, though, results are generally unacceptable for my work. I suppose that the additional lensing required for a zoom cross some tipping point.

And the lens is definitely slower-focusing than my 300mm on my E-3 body. Birds in flight are possible with the lens by itself, but combined with a teleconverter, the lens can't keep up, even in bright light.

Which leaves the lens in a special, fairly niche: if you need just a 90-250mm, wide aperture lens, this is a fine product. If you are looking for a bit more flexibility, or if you are photographing rapidly moving targets, perhaps not. And teleconverters significantly impair sharpness, especially the 2.0X. It will have a place in my camera bag - a large space. But it's simply not as useful as I hoped.


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

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

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