Tamron or Sigma F2.8 ??

Posted: December 6, 2009 in Camera
Tags: , , , ,

I am currently looking around for a fast lens to replace my kit lens.

There are 2 choices here since Nikkor is just way too costly for me and will totally blow away mine budget away. So it will be either Tamron or Sigma.

Tamron SP AF 17-50mm f/2.8 XR DI-II VC (Vibration Compensation) here & old one here. The new series comes with VC for nikon and seems to be one of cheapest around at this build quality. Overall, Tamron received a better review compare to Sigm 18-50 for its superior sharpness even at wide open. The only know issue with Tamron is the “back/front focus problem” many had talked about.

Both lens are around selling price of RM2K.

Construction 14 Groups/ 19 Elements
Diaphragm: 7 blades
Angle of view 78° at 45′ – 31° at 11′, (APS-C size equivalent)
F stop range 2.8- 32
Closest Focusing Distance 11.4in. (0.29m)
Maximum Magnification 1:4.8
Filter Size 72mm
Dimensions (Length x Diameter) 94.5 x D 79.6 mm / 3.7″ x 3.13″
Weight 20.15 oz / 570g appx.

Sigma 18-50mm f/2.8 EX DC here

With a slower focus speed when compare to Tamron, Sigma is also well know for its paint peeling issue.

Lens Construction 15 Elements in 13 Groups
Angle of View 76.5 – 31.7 degrees (Sigma SD format)
Number of Diaphragm Blades 7 Blades
Minimum Aperture F22
Minimum Focusing Distance 20cm/7.9 in.
Maximum Magnification 1:3
Filter Size Diameter 72mm
Dimensions Diameter 79mm X Length 85.3mm
3.1 in. X 3.4 in.
Weight 535g/18.9 oz
Corresponding AF Mounts NIKON
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