Archive for the ‘Lens Reviews’ Category

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Zuiko Digital 35-100mm f2

ZuikoDigital 35-100mm f2

The Zuiko Digital ED 35-100mm (equivalent to 70-200mm on a 35mm camera) is the world’s first 1:2.0 telephoto lens. Its increased focal length and maintained 1:2.0 aperture over the entire range makes it the brightest choice for the professional photographer.

Main features:

* Ultra-bright 1:2.0 maximum aperture over entire zoom range
* One Super ED and four ED glass elements for absolute minimum chromatic aberration
* Splash and dust proof construction to enhance reliability
* 2.9x zoom performance 35-100mm (70-200mm on a 35mm camera)
* Closest focusing distance: 1.4m
* Dimensions: 96.5 x 213.5mm
* Weight: 1,800g (with tripod adapter)

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Zuiko Digital 35mm Macro 1:3.5

Zuiko Digital 35mm Macro

Olympus presents the world’s lightest macro lens with the introduction of this ZUIKO DIGITAL lens which weighs only 165g. It is competitively priced and enables users to take 1:1 life-size macro shots (2:1 equivalent on a 35mm camera).

Main features:

* Focal length: 35mm (70mm*)
* Lens speed: 1:3.5
* Closest focusing distance: 0.146m
* Dimensions: 71 x 53mm
* Weight: 165g

The latest two models in the Top Pro range of interchangeable lenses, which are specifically aimed at the professional photographer, feature Olympus’ advanced optics and high precision technology and are dust and splash-proof making them ideal for working under demanding conditions.

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Zuiko Digital 17.5-45mm 1:3.5-5.6

Zuiko Digital 17.5-45mm

This standard 2.6x zoom lens will be sold exclusively as part of the Olympus E-500 SE Kit. It is extremely compact and lightweight and has a closest focusing distance of 0.28m at any zoom position.

Main features:

* Focal length: 17.5-45mm (35-90mm*)
* Lens speed: 1:3.5-5.6
* Closest focusing distance: 0.28m
* Dimensions: 71 x 70mm
* Weight: 210g

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Zuiko Digital ED 18-180mm

Zuiko Digital 18-180mm

Featuring 10x magnification power ranging from a 18mm to 180mm tele (36-360mm equivalent on a 35mm camera), this compact and lightweight standard zoom offers versatility and its closest focusing distance is just 0.45m at any zoom position.

Main features:

* Focal length: 18-180mm (36-360mm*)
* Lens speed: 1:3.5-6.3
* Closest focusing distance: 0.45m
* Dimensions: 84.5 x 78mm
* Weight: 440g

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Canon 17-40 F/4L VS Canon 24-105 f/4L IS VS Canon 24-70 F/2.8L Photo Samples

WSlam has just posted his comparison shots from Canon 17-40mm F/4L, Canon 24-70mm F/2.8L and the new Canon 24-105mm f/4 L IS at his website. Here’s his comment about the test:

“Due to poor weather here in Hong Kong, I had to take these indoor. The camera (EOS20D) was mounted on a tripod. White Balance was obtained from a grey card and applied during RAW conversion. All photos were shot in RAW, connverted into unsharpened JPG then resized and sharpened in PhotoShop CS2 (Smart Sharpen 80, 0.8, Lens Blur). Everything was done in batch, so all the files received the same ‘treatment’. Full Size (zipped) are unsharpened. Focus point is on the dog’s right eye (the one on the left).”

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Sigma 28-105mm F2.8-4 DG

Sigma 28-105mm

A large aperture standard zoom lens that covers wide-angle to telephoto and is ideal for full-frame digital SLR cameras

* New and most effective coating used for minimizing flare and ghost.
* This standard zoom lens covers focal lengths from 28mm to 105mm and allows a large aperture of F2.8 at the 28mm focal length.
* The use of aspherical lens reduces various aberrations and improves optical performance.

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Canon 10-22mm VS Sigma 10-20mm Sample Photos

Canon 10-22mm vs Sigma 10-20mm

Some sample shots from Canon 10-22mm and Sigma 10-20mm with 100% crop have just been posted by Dougal in Canada.

Here’s what Dougal says about his test:

“My test limits the Canon to 20mm and F-stops identical to those of the Sigma. For simplicity I’ll only provide wide open (obviously the Canon is stepped down a little) results.

I used two scenes for each of the two focal lengths. Draw what ever conclusions you wish…

All images were processed in CaptureOne with no sharpening and Identical exposure and white balance settings. ISO setting for all shots was ISO100, F4 (10mm) shots were shot at 1/800s and F5.6 (20mm) shots at 1/400s. A cable release was also use to operate the shutter.”

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Sigma APO 100-300mm F4 EX DG HSM Lens

Sigma 100-300mm DG

Fast aperture telephoto zoom lens that provides excellent optical performance for Digital SLR cameras and film SLR cameras

This telephoto zoom lens provides a large F4 aperture at all focal lengths. The new multi layer lens coating and lens design reduce flare and ghosting, and also maintains minimal light-fall-off, superior peripheral brightness is ensured.

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Sigma 28-70mm F2.8-4 DG Lens

Sigma 28-70 DG

Compact, large aperture zoom lens is ideal for digital and 35mm SLR cameras

Sigma Corporation is pleased to announce the launch of the new 28-70 F2.8-4 DG lens. This compact, large aperture zoom lens is ideal for digital and 35mm SLR cameras. The new multi layer lens coating and lens design reduce flare and ghost, and also creates an optimum color balance through the entire zoom range. An aspherical lens element is used for excellent correction of distortion throughout the entire zoom range.

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Sigma 28-105mm F2.8-4 DG Lens

Sigma 28-105 DG

A large aperture standard zoom lens that covers from wide-angle to telephoto and ideal for full-frame digital SLR cameras.

Sigma Corporation is pleased to announce the launch of the new 28-105 F2.8-4 DG lens. This large aperture standard zoom lens provides superior performance both for Digital SLR Cameras and 35mm Film SLR Cameras. This standard zoom lens covers frequently used focal lengths from 28mm to 105mm and allows a large aperture of F2.8 at the 28mm focal length. It is very convenient for a wide range of applications including snap shots, indoor photography. The new multi layer lens coating and lens design reduce flare and ghost, which is a common problem with digital cameras, and also creates an optimum color balance throughout the entire zoom range.

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