Compare Sigma 105mm F1.4 DG HSM vs Sigma 20mm F1.4 DG HSM vs Sony 16-35mm F2.8 GM
Construction
Aperture Blades
9 blades
9 blades, Rounded blades
11 blades
Colors
black
Black
Black
Form Factor
Short Telephoto Prime Lens
Ultra Wide-Angle Prime Lens
Wide-Angle Zoom Lens
Image Size
Full-Frame
Full-Frame
Full-Frame
Lens Barrel
Tripod collar, Distance scale, DoF scale
Distance scale
Lens Mount
Canon EF-mount, Nikon F-mount, Sigma SA-mount, Sony E-mount
Canon EF-mount, Nikon F-mount, Sigma SA-mount, Sony E-mount, Leica L-mount
Sony E-mount
Material
Magnesium alloy
Magnesium alloy
Motor
Ring-type ultrasonic
Ring-type ultrasonic
Piezoelectric
Optical Formula | Elements
17 elements
15 elements
16 elements
Optical Formula | Groups
12 groups
11 groups
13 groups
Optical Formula | Special Glass
3 FLD glass elements, 2 SLD glass elements, and 1 aspherical lens element groups
Two FLD, five SLD elements + Super Multi-Layer coating groups
Extreme aspherical & ED elements, Nano AR & fluorine coatings groups
Dimensions
Filter Diameter
105 mm / 4.13 in
82 mm / 3.23 in
Size | Diameter
116 mm / 4.57 in
91 mm / 3.58 in
89 mm / 3.50 in
Size | Length
132 mm / 5.20 in
130 mm / 5.12 in
122 mm / 4.80 in
Weight
1645 g / 58.13 oz
950 g / 33.57 oz
680 g / 24.03 oz
Function
Angle Of View
23.3° Diagonal | 19.5° Horizontal | 13.0° Vertical
94.5° Diagonal | 84.0° Horizontal | 61.9° Vertical
107.1° Diagonal | 96.7° Horizontal | 73.7° Vertical (wide) ~ 63.5° Diagonal | 54.4° Horizontal | 37.8° Vertical (tele)
Aperture
f/1.4 ~ f/16
f/1.4 ~ f/16
f/2.8–22 ~ f/2.8–22
Autofocus
Yes
Yes
Yes
Focal Length
105 mm
20 mm
16 mm ~ 35 mm
Focus Type
Internal
Internal
Internal
Image Stabilization
No
No
No
Weather Resistance
Yes
No
Yes
Zoom Type
External zoom
Performance
Max Magnification
0.12x
0.14x
0.19x
Min Focus Distance
1000 mm / 39.37 in
300 mm / 11.81 in
280 mm / 11.02 in
Production
Accessory
Lens hood included
Lens hood included
Lens Hood: ALC-SH149 (supplied)
Debut
2018-02-27
2015-10-16
2017-05-17
Made In
Japan
Japan
Model Name
SEL1635GM
Reviews
Neofiliac score
74%
55%
71%
Pros
- Bokeh monster
- Exceptional sharpness
- Bright maximum aperture
- Weather-sealed
- Comes with a tripod collar
- High level of resolution
- Bright maximum aperture
- Good center sharpness
- Weather-sealed
- Can take front filters
Cons
- Ridiculously large and heavy for a portrait lens
- Large and heavy
- Lacks front filter thread
- Lacks weather sealing
- External zoom without zoom lock
- Very high sample variation
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