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Tamron SP AF 17-50mm F2.8 XR Di II LD Aspherical IF vs Canon EF 17-40mm f4.0L USM
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Tamron 17-50mm f2.8 XR II LD

Standard Zoom | Canon EF

Tamron SP AF 17-50mm F2.8 XR Di II LD Aspherical IF

BUY from B&H PHOTO
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Canon 17-40mm f4.0L USM

Wideangle Zoom | Canon EF

Canon EF 17-40mm f4.0L USM

BUY from B&H PHOTO
Reasons to choose Tamron SP AF 17-50mm F2.8 XR Di II LD Aspherical IF over Canon EF 17-40mm f4.0L USM
Price $299 vs $699 Cheaper by $400
Focal Length - Tele 50mm vs 40mm 10mm more tele coverage
Optical Zoom 2.90x vs 2.40x more flexible coverage
Max Aperture - Wide 2.8 vs 4 faster lens at wide
Weight 430 g vs 500 g 70 g lighter
Diameter 74 mm vs 84 mm 10 mm smaller in diameter
Length 82 mm vs 97 mm 15 mm shorter
Filter Thread 67 mm vs 77 mm Smaller filters are cheaper
Reasons to choose Canon EF 17-40mm f4.0L USM over Tamron SP AF 17-50mm F2.8 XR Di II LD Aspherical IF
Max Magnification 0.24x vs 0.22x better close-up
Tamron 17-50mm f2.8 XR II LD vs Canon 17-40mm f4.0L USM Specs Table
Detailed comparison of specifications
General Tamron 17-50mm f2.8 XR II LD Canon 17-40mm f4.0L USM
Brand Tamron Canon
Lens Type Zoom Zoom
Price $299.00 $699.00
Lens Type Standard Zoom Wideangle Zoom
Lens Mount Canon EF Canon EF
Max Format APS-C / DX 35mm FF
Focal Range 17-50mm 17-40mm
Image Stabilization No No
Colour Black Black
Zoom Method Rotary (extending) Rotary (internal)
Power Zoom - No
Zoom Lock Yes No
Zoom Ratio 2.9X 2.4X
Aperture
Max Aperture F2.8 F4.0
Min Aperture F32.0 F22.0
Aperture Ring No No
Diaphragm Blades 7 7
Optics
Optical Elements 16 12
Optical Groups 13 9
Special Elements 2 hybrid aspherical elements 1 LD (Low Dispersion) glass element 1 XR (Extra Refractive) element Super Spectra coatings
Focusing
Min Focus Distance 0.27m 0.28m
Max Magnification 0.22X 0.24X
Autofocus Yes Yes
AF Motor Type Micromotor Ultrasonic
Full Time Manual Yes
Focus Method Internal Internal
Distance Scale Yes Yes
DoF Scale Yes Yes
Distance Scale Yes Yes
Focus Distance Limiter Unknown Unknown
Physical Specs
Weight 430g 500g
Diameter 74mm 84mm
Length 82mm 97mm
Materials Unknown Metal barrel, metal mount
Weather Sealing Unknown Yes
Filter Thread 67mm 77mm
Filter Notes - -
Hood Supplied Yes Unknown
Hood Code flower shaped hood EW-83E
Tripod Collar No No
Optional Accessories - Soft Case LP1319
Report Report
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