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Sigma 50mm F1.4 DG HSM A vs Canon EF 40mm f2.8 STM
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Sigma 50mm F1.4 DG HSM A

Standard Prime | Canon EF

Sigma 50mm F1.4 DG HSM A

BUY from B&H PHOTO
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Canon 40mm f2.8 STM

Standard Prime | Canon EF

Sigma 50mm F1.4 DG HSM A

BUY from B&H PHOTO
Reasons to choose Sigma 50mm F1.4 DG HSM A over Canon EF 40mm f2.8 STM
Focal Length - Tele 50mm vs 40mm 10mm more tele coverage
Max Aperture - Wide 1.4 vs 2.8 faster lens at wide
Diaphragm Blades 9 vs 7 better Bokeh
Reasons to choose Canon EF 40mm f2.8 STM over Sigma 50mm F1.4 DG HSM A
Price $179 vs $707 Cheaper by $528
Focal Length - Wide 40mm vs 50mm 10mm wider coverage
Weight 130 g vs 815 g 685 g lighter
Diameter 68 mm vs 85 mm 17 mm smaller in diameter
Length 22 mm vs 100 mm 78 mm shorter
Filter Thread 52 mm vs 77 mm Smaller filters are cheaper
Sigma 50mm F1.4 DG HSM A vs Canon 40mm f2.8 STM Specs Table
Detailed comparison of specifications
General Sigma 50mm F1.4 DG HSM A Canon 40mm f2.8 STM
Brand Sigma Canon
Lens Type Prime Prime
Price $707.29 $179.00
Lens Type Standard Prime Standard Prime
Lens Mount Canon EF Canon EF
Max Format 35mm FF 35mm FF
Focal Range 50mm 40mm
Image Stabilization No No
Colour Unknown
Zoom Method No Zoom No Zoom
Power Zoom No No
Zoom Lock No No
Zoom Ratio 1.0X 1.0X
Aperture
Max Aperture F1.4 F2.8
Min Aperture F16.0 F22.0
Aperture Ring No No
Diaphragm Blades 9 7
Optics
Optical Elements 13 6
Optical Groups 8 4
Special Elements SLD glass elements, aspheric elements 1 aspherical element
Focusing
Min Focus Distance 0.4m 0.3m
Max Magnification 0.18X 0.18X
Autofocus Yes Yes
AF Motor Type Ring-type ultrasonic Stepper motor
Full Time Manual Yes Yes
Focus Method Internal Unit
Distance Scale Yes No
DoF Scale Yes No
Distance Scale Yes No
Focus Distance Limiter Unknown Unknown
Physical Specs
Weight 815g 130g
Diameter 85mm 68mm
Length 100mm 22mm
Materials Unknown Unknown
Weather Sealing Unknown No
Filter Thread 77mm 52mm
Filter Notes - -
Hood Supplied Unknown No
Hood Code Unknown Unknown
Tripod Collar No No
Optional Accessories - -
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