Sigma 18-250mm F3.5-6.3 DC OS HSM vs Tamron SP AF 28-75mm F2.8 XR Di

This is a full comparison between the lenses Sigma 18-250mm F3.5-6.3 DC OS HSM and Tamron SP AF 28-75mm F2.8 XR Di .

Compare Specifications

Product
Sigma 18-250mm F3.5-6.3 DC OS HSM
Tamron SP AF 28-75mm F2.8 XR Di
Name Sigma 18-250mm F3.5-6.3 DC OS HSM Tamron SP AF 28-75mm F2.8 XR Di
Manufacturer Sigma Tamron
SKU
Release Date and Price
Sigma 18-250mm F3.5-6.3 DC OS HSM
Tamron SP AF 28-75mm F2.8 XR Di
Release Year 2009 2003
Release Date
MSRP 750 USD N/A
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Lens Type
Sigma 18-250mm F3.5-6.3 DC OS HSM
Tamron SP AF 28-75mm F2.8 XR Di
Lens Type Superzoom Standard / Normal
Zoom or Prime Zoom lens Zoom lens
Mount and Compatibility
Sigma 18-250mm F3.5-6.3 DC OS HSM
Tamron SP AF 28-75mm F2.8 XR Di
Mount Canon EF-SNikon F Canon EFNikon F
Designed for APS-C sensor Yes No (Suitable for all sensors)
Focus
Sigma 18-250mm F3.5-6.3 DC OS HSM
Tamron SP AF 28-75mm F2.8 XR Di
Autofocus (AF) Yes YesNote. See below for further information
Built-in Autofocus (AF) Motor Yes No
Requires that the camera has an Autofocus Motor
Compatible Cameras for Tamron SP AF 28-75mm F2.8 XR Di
Motor Type No information N/A
Focus Method No information No information
Closest Focusing Distance 45 cm 33 cm
Maximum Magnification
Aperture
Sigma 18-250mm F3.5-6.3 DC OS HSM
Tamron SP AF 28-75mm F2.8 XR Di
Maximum Aperture F3,5-6,3
This lens has a variable aperture at different focal lengths.
F3,5 at 18 mm
F6,3 at 250 mm
Variable Aperture
F2,8
Diaphragm Blades No information No information
Optics
Sigma 18-250mm F3.5-6.3 DC OS HSM
Tamron SP AF 28-75mm F2.8 XR Di
Construction 18 elements  /  14 groups 16 elements  /  14 groups
Special Elements/Coatings No information No information
Focal Length
Sigma 18-250mm F3.5-6.3 DC OS HSM
Tamron SP AF 28-75mm F2.8 XR Di
Focal Length 18-250 mm 28-75 mm
Zoom Range 232 mm 47 mm
Built-in Teleconverter No No
Teleconverter Multiplier N/A N/A
Image Stabilization Yes
OS
No
Image Stabilization CIPA Rating N/A N/A
Physical
Sigma 18-250mm F3.5-6.3 DC OS HSM
Tamron SP AF 28-75mm F2.8 XR Di
Weather Sealing No No
Diameter 79 mm 73 mm
Length 101 mm 92 mm
Weight 630 gr 510 gr
Other
Sigma 18-250mm F3.5-6.3 DC OS HSM
Tamron SP AF 28-75mm F2.8 XR Di
Filter Type Filter Thread Filter Thread
Filter Diameter 72 mm 67 mm
Lens Hood Included Included
Lens Hood SKU LH780-04 581 N/A
Tripod Collar N/A N/A
Tripod Collar SKU N/A N/A