Sigma 17-50mm f/2.8 EX DC OS HSM vs Tamron Di II 18-400mm f/3.5-6.3 VC HLD


	Sigma 17-50mm f/2.8 EX DC OS HSM	Tamron Di II 18-400mm f/3.5-6.3 VC HLD
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Brand	BrandSigma	BrandTamron
Sensor Format	Mount Full-Frame APS-C	Mount APS-C
Mount	Mount Canon EF-S (APS-C) Canon EF-M (APS-C) Nikon F DX (APS-C) Nikon F DX (Full-Frame) Sigma SA	Mount Canon EF-S (APS-C) Nikon F DX (APS-C)
Category	CategoryStandard	CategorySuper telephoto
Use Case	Use Case Landscape Portrait Everyday Event Travel	Use Case Landscape Wildlife Travel Everyday Event
Focal Length (min/max)	Focal Length (min/max)17mm - 50mm	Focal Length (min/max)18mm - 400mm
Angle Of View (min/max)	Angle Of View (min/max)81.5°	Angle Of View (min/max)74.4°
Aperture	Aperturef/2.8max - f/22min	Aperturef/3.5max - f/6.3min
Blades	Blades9	Blades9
Circular Aperture	Circular ApertureYes	Circular ApertureYes
Minimum Focus Distance	Minimum Focus Distance0.45m	Minimum Focus Distance0.49m
Max Magnification Ratio (X)	Max Magnification Ratio (X)0.22x	Max Magnification Ratio (X)0.25x
Filter Diameter	Filter Diameter77	Filter Diameter67
Stabilization	StabilizationYes	StabilizationYes
Auto Focus	Auto FocusYes	Auto FocusYes
Release Date	Release Date2010	Release Date2023
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