Advantages: Image sharpness, constant f2.8 aperture, cost Disadvantages: Some distortion at widest setting, motor noise
...expensive please! The Tamron 17-50mm f2.8 soon became a front runner from the scraps of user comments I found on the web. Hopefully my review below can fill in the gaps for other potential purchasers.
TECHNICAL DETAILS
Range 17-50mm (on 400d: 27-80mm)
Aperture f2.8 to f32
Physical Length at 17mm - 9cm
Physical Length at 50mm - 12cm
No USM or Image Stabilisation
No macro mode
Zoom lock switch prevents barrel movement when stored
Filter diameter ... ...THE NAME
You could accuse Tamron of just trying to cram in every letter of the alphabet and they have done a good job, but it does mean something. The 2.8 obviously refers to the maximum f2.8 aperture, constant throughout the whole focal range. XR, LD and ASP (aspherical) refer to the glass elements having characteristics to reduce aberration and distortions. To the normal user this boils down to good optical quality in an unusually compact design.
...
raymortim 23.04.2007
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Ciao members have rated this review on average: very helpful Review of Tamron SP AF 17-50mm F2.8 XR Di II LD (IF)
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The SP AF17-50mm F/2.8 is a lightweight compact fast standard zoom lens designed ... more
exclusively for digital SLR cameras expanding the product concept of the popular SP AF28-75mm F/2.8 zoom lens.------The lens boasts one of the best close-up shooting perfo...
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The SP AF17-50mm F/2.8 is a lightweight compact fast standard zoom lens designed ... more
exclusively for digital SLR cameras expanding the product concept of the popular SP AF28-75mm F/2.8 zoom lens.------The lens boasts one of the best close-up shooting perfo...
Postage & Packaging: £7.50 Availability: Usually dispatched within 1-2 business days...
The Aspherical [IF] SP AF 17-50mm F/2.8 XR Di II LD Lens from Tamron is a bright and ... more
compact zoom lens designed for exclusive use with digital SLRs. Equipped with an f/2.8 opening, this lens provides the sensor with precise and complete information on ...
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![TAMRON Aspherical [IF] SP AF 17-50mm F/2.8 XR Di II LD Lens for all Canon EOS series witho ...](http://picnicb.ciao.com/uk/77390185.jpg)
