Tamron SP 45mm F1.8 Di VC USD vs Sigma 50mm F1.4 DG HSM A Detailed Comparison

Tamron SP 45mm F1.8 Di VC USD vs Sigma 50mm F1.4 DG HSM A

Lens to replace

Change

Standard Prime | Sony Alpha

Change

Standard Prime | Sony Alpha

Reasons to choose Tamron SP 45mm F1.8 Di VC USD over Sigma 50mm F1.4 DG HSM A

Reasons to choose Sigma 50mm F1.4 DG HSM A over Tamron SP 45mm F1.8 Di VC USD

Focal Length - Tele	50mm vs 45mm	5mm more tele coverage
Max Aperture - Wide	1.4 vs 1.8	faster lens at wide

Tamron 45mm F1.8 Di VC USD vs Sigma 50mm F1.4 DG HSM A Specs Table

Detailed comparison of specifications

General	Tamron 45mm F1.8 Di VC USD	Sigma 50mm F1.4 DG HSM A
Brand	Tamron	Sigma
Lens Type	Prime	Prime
Price	CHECK PRICE	CHECK PRICE
Lens Type	Standard Prime	Standard Prime
Lens Mount	Sony Alpha	Sony Alpha
Max Format	35mm FF	35mm FF
Focal Range	45mm	50mm
Image Stabilization	Yes	No
Colour	Black	Unknown
Zoom Method	No Zoom	No Zoom
Power Zoom	No	No
Zoom Lock	No	No
Zoom Ratio	1.0X	1.0X
Aperture
Max Aperture	F1.8	F1.4
Min Aperture		F16.0
Aperture Ring	No	No
Diaphragm Blades	9	9
Optics
Optical Elements	10	13
Optical Groups	8	8
Special Elements	Two aspherical and one LD element + fluorine, eBAND, and BBAR coatings.	SLD glass elements, aspheric elements
Focusing
Min Focus Distance	0.29m	0.4m
Max Magnification	0.3X	0.18X
Autofocus	Yes	Yes
AF Motor Type	Ring-type ultrasonic	Ring-type ultrasonic
Full Time Manual	Yes	Yes
Focus Method	Internal	Internal
Distance Scale	Yes	Yes
DoF Scale	Unknown	Yes
Distance Scale	Yes	Yes
Focus Distance Limiter	Unknown	Unknown
Physical Specs
Weight	520g	815g
Diameter	80mm	85mm
Length	92mm	100mm
Materials	Unknown	Unknown
Weather Sealing	Yes	Unknown
Filter Thread	67mm	77mm
Filter Notes	-	-
Hood Supplied	Yes	Unknown
Hood Code	Unknown	Unknown
Tripod Collar	No	No
Optional Accessories	-	-
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