Looking to find more information regarding these two camera lenses? Check out our side by side comparison of the Sigma 50mm F1.4 DG HSM A vs Sony DT 50mm F1.8 SAMto review specs, pros and cons, and which is right for you.
Sigma 50mm F1.4 DG HSM A Top Features
- 50mm Focal Range
- F1.4 Max Aperture
- Filter Thread: 77mm
- Max Format: 35mm FF
- Sony Alpha Mount
- Weight: 815g.
- Diameter: 85mm
- Length: 100mm
- Min Focus Distance:0.4m
- Max Magnification:0.18x
Sony DT 50mm F1.8 SAM Top Features
- 50mm Focal Range
- F1.8 Max Aperture
- Filter Thread: 49mm
- Max Format:
- Sony Alpha Mount
- Weight: 170g.
- Diameter: 70mm
- Length: 45mm
- Min Focus Distance:0.34m
- Max Magnification:0.2x
Our Winner: Sigma 50mm F1.4 DG HSM A over Sony DT 50mm F1.8 SAM
Max Aperture – Wide
1.4
vs
1.8
Wider aperture at wide end
Max Aperture – Tele
1.4
vs
1.8
Wider aperture at tele end
Diaphgragm Blades
9
vs
7
Potentially more rounded and smooth bokeh
Depth-of-Field Scale
Yes
vs
No
Depth of Field scale to assist focusing
Max Sensor Coverage
35mm FF
vs
APS-C / DX
covers larger sensors
Weight
170g
vs
815g
645g lighter
Diameter
70mm
vs
85mm
15mm smaller in diameter
Length
45mm
vs
100mm
55mm shorter
Filter Thread
49mm
vs
77mm
Smaller filters are cheaper and easier to find
Minimum Focus Distance
0.34m
vs
0.4m
can focus closer to the subject
Max Magnification
0.2x
vs
0.18x
higher magnification better for close-up shots
Image Stabilization
No
vs
No
Reliant on in-body Image Stabilization
Weather Sealing
No
vs
No
not safe under rain and dust
Sigma 50mm F1.4 DG HSM A vs Sony DT 50mm F1.8 SAM All Features
General
Sigma 50mm F1.4 DG HSM A
Sony DT 50mm F1.8 SAM
Brand
Sigma
Sony
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
APS-C / DX
Focal Range
50mm
50mm
Image Stabilization
No
No
Colour
Unknown
Black
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
F1.8
Min Aperture
F16.0
F32.0
Aperture Ring
No
No
Diaphragm Blades
9
7
Optics
Optical Elements
13
6
Optical Groups
8
5
Special Elements
SLD glass elements, aspheric elements
unknown
Focusing
Min Focus Distance
0.4m
0.34m
Max Magnification
0.18X
0.2X
Autofocus
Yes
Yes
AF Motor Type
Ring-type ultrasonic
Micromotor
Full Time Manual
Yes
No
Focus Method
Internal
Unit
Distance Scale
Yes
Yes
DoF Scale
Yes
No
Distance Scale
Yes
Yes
Focus Distance Limiter
Unknown
Unknown
Physical Specs
Weight
815g
170g
Diameter
85mm
70mm
Length
100mm
45mm
Materials
Unknown
Plastic barrel, plastic mount
Weather Sealing
Unknown
No
Filter Thread
77mm
49mm
Filter Notes
–
–
Hood Supplied
Unknown
No
Hood Code
Unknown
Unknown
Tripod Collar
No
No
Optional Accessories
–
–
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