Tamron 18-250mm F3.5-6.3 Di II BIM vs Sigma 50-200mm F4-5.6 DC OS HSM

This is a full comparison between the lenses Tamron 18-250mm F3.5-6.3 Di II BIM and Sigma 50-200mm F4-5.6 DC OS HSM.

Compare Specifications

Product
Tamron 18-250mm F3.5-6.3 Di II BIM
Sigma 50-200mm F4-5.6 DC OS HSM
Name Tamron 18-250mm F3.5-6.3 Di II BIM Sigma 50-200mm F4-5.6 DC OS HSM
Manufacturer Tamron Sigma
SKU
Release Date and Price
Tamron 18-250mm F3.5-6.3 Di II BIM
Sigma 50-200mm F4-5.6 DC OS HSM
Release Year 2007 2009
Release Date
MSRP N/A 380 USD
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Lens Type
Tamron 18-250mm F3.5-6.3 Di II BIM
Sigma 50-200mm F4-5.6 DC OS HSM
Lens Type Superzoom Telephoto
Zoom or Prime Zoom lens Zoom lens
Mount and Compatibility
Tamron 18-250mm F3.5-6.3 Di II BIM
Sigma 50-200mm F4-5.6 DC OS HSM
Mount Nikon F Canon EF-SNikon F
Designed for APS-C sensor Yes Yes
Focus
Tamron 18-250mm F3.5-6.3 Di II BIM
Sigma 50-200mm F4-5.6 DC OS HSM
Autofocus (AF) Yes Yes
Built-in Autofocus (AF) Motor Yes Yes
Motor Type No information No information
Focus Method No information No information
Closest Focusing Distance 45 cm 110 cm
Maximum Magnification
Aperture
Tamron 18-250mm F3.5-6.3 Di II BIM
Sigma 50-200mm F4-5.6 DC OS HSM
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
F4-5,6
This lens has a variable aperture at different focal lengths.
F4 at 50 mm
F5,6 at 200 mm
Variable Aperture
Diaphragm Blades No information No information
Optics
Tamron 18-250mm F3.5-6.3 Di II BIM
Sigma 50-200mm F4-5.6 DC OS HSM
Construction 16 elements  /  13 groups 14 elements  /  10 groups
Special Elements/Coatings No information No information
Focal Length
Tamron 18-250mm F3.5-6.3 Di II BIM
Sigma 50-200mm F4-5.6 DC OS HSM
Focal Length 18-250 mm 50-200 mm
Zoom Range 232 mm 150 mm
Built-in Teleconverter No No
Teleconverter Multiplier N/A N/A
Image Stabilization No Yes
OS
Image Stabilization CIPA Rating N/A N/A
Physical
Tamron 18-250mm F3.5-6.3 Di II BIM
Sigma 50-200mm F4-5.6 DC OS HSM
Weather Sealing No No
Diameter 74 mm 74 mm
Length 84 mm 101 mm
Weight 430 gr 420 gr
Other
Tamron 18-250mm F3.5-6.3 Di II BIM
Sigma 50-200mm F4-5.6 DC OS HSM
Filter Type Filter Thread Filter Thread
Filter Diameter 62 mm 55 mm
Lens Hood Included Included
Lens Hood SKU N/A LH674-01 686
Tripod Collar N/A N/A
Tripod Collar SKU N/A N/A