Compare Sigma 14mm F1.8 DG HSM vs Sigma 50mm F1.4 DG HSM vs Canon EF 50mm F1.8 STM
Construction
Aperture Blades
9 blades
9 blades, Rounded diaphragm
7 blades, Circular blades
Colors
Black
Black
Form Factor
Ultra Wide-Angle Prime Lens
Normal Prime Lens
Normal Prime Lens
Image Size
Full-Frame
Full-Frame
Full-Frame
Lens Barrel
Distance scale
Distance scale, DoF scale
Lens Mount
Canon EF-mount, Nikon F-mount, Sigma SA-mount, Sony E-mount, Leica L-mount
Canon EF-mount, Nikon F-mount, Sigma SA-mount, Sony A-mount, Sony E-mount, Leica L-mount
Canon EF-mount
Motor
Ring-type ultrasonic
Ring-type ultrasonic
Stepper motor
Optical Formula | Elements
16 elements
13 elements
6 elements
Optical Formula | Groups
11 groups
8 groups
5 groups
Optical Formula | Special Glass
Three FLD and four SLD elements groups
SLD glass elements, aspheric elements groups
Dimensions
Filter Diameter
77 mm / 3.03 in
49 mm / 1.93 in
Size | Diameter
95 mm / 3.74 in
85 mm / 3.35 in
69 mm / 2.72 in
Size | Length
126 mm / 4.96 in
100 mm / 3.94 in
39 mm / 1.54 in
Weight
1170 g / 41.34 oz
815 g / 28.80 oz
159 g / 5.62 oz
Function
Angle Of View
114.2° Diagonal | 104.3° Horizontal | 81.2° Vertical
46.8° Diagonal | 39.6° Horizontal | 27.0° Vertical
46.8° Diagonal | 39.6° Horizontal | 27.0° Vertical
Aperture
f/1.8 ~ f/16
f/1.4 ~ f/16
f/1.8 ~ f/22
Autofocus
Yes
Yes
Yes
Focal Length
14 mm
50 mm
50 mm
Focus Type
Internal
Internal
Internal
Image Stabilization
No
No
No
Weather Resistance
No
Performance
Max Magnification
0.1x
0.18x
0.21x
Min Focus Distance
270 mm / 10.63 in
400 mm / 15.75 in
350 mm / 13.78 in
Production
Accessory
Lens hood included
Lens Hood: ES-68 (sold separately)
Debut
2017-02-21
2014-01-06
2015-05-11
Made In
Japan
Japan
Reviews
Neofiliac score
55%
74%
71%
Pros
- Excellent image quality
- Very well built
- Exceptional sharpness
- Solid build quality
- Bright maximum aperture
- Compact and lightweight
- Rather compelling image quality
- Great price
Cons
- Notable comatic aberration
- Very large and heavy
- Lacks front filter thread
- On the heavy side
- Lens hood not included
- Lacks weather sealing
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