Showing posts with label Tamron. Show all posts
Showing posts with label Tamron. Show all posts

Friday, June 17, 2011

Tamron, Sigma Lens for Nikon

Tamron, Sigma Lens for Nikon

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Tamron 28-75mm f/2.8 gains motor for Nikons
Tamron has continued its process of adding in-lens motors to its Nikon-mount lenses, with its 28-75mm f/2.8 being the latest recipient. This makes the lens fully compatible with the Nikon D40, D40x and D60, offering their owners fields of view equivalent to a 42-112.5mm lens (in FX/35mm terms). The magnificently named 'SP AF28-75mm F/2.8 XR Di LD Aspherical (IF) MACRO' can focus as close as 33cm throughout its zoom range...
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Tamron AF 28-75mm f/2.8 SP XR Di LD Aspherical (IF) - Review / Test Report

Tamron SP AF28-75/2.8 XR Di LD Aspherical (IF) Macro

Tamron AF 28-75mm f/2.8 XR Di LD Lens Review


Tamron SP AF 70-200mm F2.8 Di LD (IF) Macro review
June 2008 | Andy Westlake
The SP AF 70-200mm F2.8 Di LD (IF) Macro is Tamron's latest lens, announced at the end of February 2008. A fast telephoto zoom for the more budget-conscious photographer, the design features 19 elements on 16 groups, including three Low Dispersion (LD) glass elements for minimizing chromatic aberration. Tamron say the lens is 'packed with features that allow stress-free photography', and accordingly these are indicated by the plethora of initials packed into that painfully protracted lens name. 'SP' designates this to be a member of Tamron's top-line 'Special Performance' range, 'Di' indicates that it is 'Digitally Integrated' (i.e. optimized for DSLR use, but still covering the full-frame 35mm format), and IF reveals that it incorporates an internal focusing mechanism. Finally the 'Macro' description provides a clue to one of this lens's more interesting characteristics, a minimum focusing distance of 0.95m, which leads to a class-leading reproduction ratio of 0.32x; slightly ahead of the Sigma equivalent's 1m/0.28x, and significantly better than the ~1.5m more typical of this class...
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Sigma 70-200mm 1:2.8 EX DG OS HSM Review
September 2010 | Andy Westlake
Sigma 70-200mm F2.8 design history
Compared to non-stabilized Sigma and Tamron 70-200mm F2.8 lenses

70-200mm F2.8 EX DG APOMacro HSM II

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Nikon AF-S NIKKOR 70-200 mm F/2,8G ED VR II



Nikkor AF-S 24-70mm f/2.8G ED - Review / Test Report

Nikkor AF-S 24-70mm f/2.8G ED v praxi

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