Compare Sigma 20mm F1.4 DG HSM vs Sigma 105mm F1.4 DG HSM vs Sigma 30mm F1.4 DC HSM
Construction
Aperture Blades
9 blades, Rounded blades
9 blades
9 blades, Rounded blades
Colors
Black
black
Form Factor
Ultra Wide-Angle Prime Lens
Short Telephoto Prime Lens
Normal Prime Lens
Image Size
Full-Frame
Full-Frame
APS-C
Lens Barrel
Distance scale
Tripod collar, Distance scale, DoF scale
Distance 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 E-mount
Canon EF-mount, Nikon F-mount, Sigma SA-mount
Material
Magnesium alloy
Motor
Ring-type ultrasonic
Ring-type ultrasonic
Ultrasonic
Optical Formula | Elements
15 elements
17 elements
9 elements
Optical Formula | Groups
11 groups
12 groups
8 groups
Optical Formula | Special Glass
Two FLD, five SLD elements + Super Multi-Layer coating groups
3 FLD glass elements, 2 SLD glass elements, and 1 aspherical lens element groups
1 aspherical element groups
Dimensions
Filter Diameter
105 mm / 4.13 in
62 mm / 2.44 in
Size | Diameter
91 mm / 3.58 in
116 mm / 4.57 in
74 mm / 2.91 in
Size | Length
130 mm / 5.12 in
132 mm / 5.20 in
63 mm / 2.48 in
Weight
950 g / 33.57 oz
1645 g / 58.13 oz
435 g / 15.37 oz
Function
Angle Of View
94.5° Diagonal | 84.0° Horizontal | 61.9° Vertical
23.3° Diagonal | 19.5° Horizontal | 13.0° Vertical
51.4° Diagonal | 43.6° Horizontal | 29.9° Vertical
Aperture
f/1.4 ~ f/16
f/1.4 ~ f/16
f/1.4 ~ f/16
Autofocus
Yes
Yes
Yes
Crop Factor
1.5
Focal Length
20 mm
105 mm
30 mm
Focal Length (35mm Equivalent)
45.0 mm
Focus Type
Internal
Internal
Image Stabilization
No
No
No
Weather Resistance
No
Yes
No
Performance
Max Magnification
0.14x
0.12x
0.15x
Min Focus Distance
300 mm / 11.81 in
1000 mm / 39.37 in
300 mm / 11.81 in
Production
Accessory
Lens hood included
Lens hood included
Lens Hood: LH686-01 (supplied)
Debut
2015-10-16
2018-02-27
2013-01-29
Made In
Japan
Japan
Japan
Reviews
Neofiliac score
55%
74%
65%
Pros
- High level of resolution
- Bright maximum aperture
- Bokeh monster
- Exceptional sharpness
- Bright maximum aperture
- Weather-sealed
- Comes with a tripod collar
- Beautiful rendering
- Very compact and reasonably light
- Very sharp
Cons
- Large and heavy
- Lacks front filter thread
- Lacks weather sealing
- Ridiculously large and heavy for a portrait lens
- Lacks weather sealing
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