Peter Nikolsky has published a comparison test on Sigma 70-200/2.8 vs. Canon 135/2.8 vs. Tamron 28-75/2.8 vs. Tamron 70-300/4-5.6

Popularity: 2%

Tamron SP AF11-18MM F/4.5-5.6 Di II LD Aspherical (IF) designed for exclusive use with digital SLR cameras using a sensor smaller than full frame, provides the extended focal length covering 17mm (when converted to 35mm format) that is desired by today’s advanced and pro photographers using digital SLRs. The lens features an entirely new optical system designed for optimal performance with digital SLR cameras.

>> REVIEWS (last update: 01.03.06)

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Popularity: 2%

Ken Rockwell has done some tests comparing five wide zoom lenses designed only for digital camera with APC-size sensor. Here’s what he says about each lens

“Nikon 12-24mm: The Nikon has the best optics, the best focusing and the best everything.

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Popularity: 4%

Tamron has recently upgraded 2 of their zoom lenses. Both Tamrom AF28-200mm f/3.8 – 5.6 XR Aspherical (IF) Macro and Tamron AF 70-300mm f/4-5.6 LD 1:2 macro are now available in Di series.

PRESS RELEASE

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Popularity: 2%

Peter K Burian has done some tests comparing the the Sigma AF 10-20mm, Tamron SP AF11-18mm, and Tokina AF 12-24mm.

“Sigma AF 10-20mm f/4-5.6 EX DC HSM: The images also exhibit great clarity and impressive definition of intricate detail. This Sigma lens seems to be optimized for the very finest results at focal lengths from about 10-14mm at most apertures. By 15mm, edge sharpness is a bit softer, although central sharpness remains very high.

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Popularity: 3%

Tamron SP AF28-75/2.8 XR Di LD Aspherical (IF) Macro reviews, full
- Tamron 28-75 f/2.8 XR Di or Tokina 28-70 f/2.8 AT-X ProSV
- Sigma 24-70 f2.8 EX DG Macro & Tamron 28-75 f2.8 XR Di

Tamron SP AF28-75/2.8 XR Di LD Related Documents:

- Download Depth of Field Chart based on 35mm (PDF File)
- Download PDF Catalog

Tamron SP AF28-75/2.8 XR Di LD Specifications:

Model : A09
Lens Construction (Groups/Elements) : 14/16
Angle of View: 75°-32°
Type of Zooming: Rotation
Diaphragm Blade Number: 7
Minimum Aperture: F/32
Minimum Focus: 0.33m (13″) (entire zoom range)
Macro Mag. Ratio: 1:3.9 (at 75mm)
Filter Diameter: ø67
Weight: 510g (18.0oz.)
Diameter x Length: ø73mmx 92mm (2.9in x 3.6in)
Accessory: Lens hood
Mount: Canon, Minolta, Nikon-D, Pentax

Tamron SP AF28-75/2.8 XR Di LD Sample Pictures:

Sample Photo 1
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Sample Photo 5

Popularity: 3%

Tamron introduces a new version of the famous 90mm macro lens for film and digital photography. Tamron’s 90mm macro lens, often referred to as “the portrait macro” and loved by photographers all over the world, is now reborn as a Di lens that is perfect for use with both film and digital cameras. The coating of the lens is improved for digital use.

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Popularity: 2%