The Sony DT 55-200mm F4.5-5.6 SAM is a new versatile 3.6x telephoto zoom lens which delivers 82.5-300mm focal length on a 35mm-format camera. It is housed in a light, compact and easy-to-carry package, which makes it perfect all-round lens. It is ideal for shooting portraits, sports, wildlife and more.

It is designed exclusively for use with APS- C sized digital SLRs. Also please note that DT lenses - this one as well - are not recommended for use with the DSLR-A900.

The lens delivers 29-degree angle of view and closest focus distance of 0.95m. Its circular aperture at the wide gives a pleasing defocused effect.

The 55-200mm’s optical construction includes ED (Extra-low Dispersion) glass elements to minimize chromatic aberration at telephoto end, and also to correct certain wavelengths of light. It results in sharp, clear images with well defined colors.

There’s a built-in Smooth Autofocus Motor (SAM) in the lens that’s why there’ no need of a mechanical coupling system in the camera body to transfer auto focus (AF) drive power to the lens. The lens-mounted SAM unit receives AF control signals from the camera body and drives the focusing lens group. This helps to achieve smooth AF response as well.

The lens benefits from SteadyShot INSIDE in-camera image stabilization which is built into every a (alpha) DSLR camera. It enables it to eliminate the extra weight at the expense of in-lens stabilization mechanisms.

Alternatives/Rivals: Nikkor 55-200mm f/4-5.6G IF-ED AF-S DX VR Zoom Lens.

Sony DT 55-200mm F4.5-5.6 SAM – Specifications:

• Lens Type: Telephoto
• Focal Length: 55mm-200mm
• Focal Range: 3 feet
• Focal Length Equivalent: 82.5-300mm
• Aperture Range: F/4.0-5.6
• Circular Aperture
• Maximum Magnification Ratio: 0.29x
• Closest focus distance: 0.95m
• Focus: Auto, Manual
• Angle of View: 29 Degrees
• Built-in SAM motor
• Weight: 0.68 pounds
• Display Diameter: 2.8 inches
• Length: 3.4 inches
• Mounting Type: Minolta A-type

Related Posts:

Sony70-200mm f/2.8 G Telephoto Zoom Lens
Canon EF 70-200mm f/2.8L USM Telephoto Zoom Lens
Canon EF 70-200mm f/4 USM L Digital Photography Lens

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This entry was posted on Friday, November 20th, 2009 at 8:20 am and is filed under Lenses, Sony Lenses. You can follow any responses to this entry through the RSS 2.0 feed. You can leave a response, or trackback from your own site.