Tamron 18-250mm F3.5-6.3 Di II BIM vs Sigma EX 300-800mm F5.6 DG APO HSM

This is a full comparison between the lenses Tamron 18-250mm F3.5-6.3 Di II BIM and Sigma EX 300-800mm F5.6 DG APO HSM .

Compare Specifications

Product
Tamron 18-250mm F3.5-6.3 Di II BIM
Sigma EX 300-800mm F5.6 DG APO HSM
Name Tamron 18-250mm F3.5-6.3 Di II BIM Sigma EX 300-800mm F5.6 DG APO HSM
Manufacturer Tamron Sigma
SKU
Release Date and Price
Tamron 18-250mm F3.5-6.3 Di II BIM
Sigma EX 300-800mm F5.6 DG APO HSM
Release Year 2007 2003
Release Date
MSRP N/A 11500 USD
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Lens Type
Tamron 18-250mm F3.5-6.3 Di II BIM
Sigma EX 300-800mm F5.6 DG APO HSM
Lens Type Superzoom Telephoto
Supertelephoto
Zoom or Prime Zoom lens Zoom lens
Mount and Compatibility
Tamron 18-250mm F3.5-6.3 Di II BIM
Sigma EX 300-800mm F5.6 DG APO HSM
Mount Nikon F Canon EFNikon F
Designed for APS-C sensor Yes No (Suitable for all sensors)
Focus
Tamron 18-250mm F3.5-6.3 Di II BIM
Sigma EX 300-800mm F5.6 DG APO 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 600 cm
Maximum Magnification
Aperture
Tamron 18-250mm F3.5-6.3 Di II BIM
Sigma EX 300-800mm F5.6 DG APO 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
F5,6
Diaphragm Blades No information No information
Optics
Tamron 18-250mm F3.5-6.3 Di II BIM
Sigma EX 300-800mm F5.6 DG APO HSM
Construction 16 elements  /  13 groups 18 elements  /  16 groups
Special Elements/Coatings No information No information
Focal Length
Tamron 18-250mm F3.5-6.3 Di II BIM
Sigma EX 300-800mm F5.6 DG APO HSM
Focal Length 18-250 mm 300-800 mm
Zoom Range 232 mm 500 mm
Built-in Teleconverter No No
Teleconverter Multiplier N/A N/A
Image Stabilization No No
Image Stabilization CIPA Rating N/A N/A
Physical
Tamron 18-250mm F3.5-6.3 Di II BIM
Sigma EX 300-800mm F5.6 DG APO HSM
Weather Sealing No No
Diameter 74 mm 165 mm
Length 84 mm 544 mm
Weight 430 gr 5880 gr
Other
Tamron 18-250mm F3.5-6.3 Di II BIM
Sigma EX 300-800mm F5.6 DG APO HSM
Filter Type Filter Thread Drop-in Filter
Filter Diameter 62 mm 46 mm
Lens Hood Included Included
Lens Hood SKU N/A LH1571-02 595
Tripod Collar N/A Included
Tripod Collar SKU N/A N/A