Compare Sigma 20mm F1.4 DG HSM vs Sigma 105mm F1.4 DG HSM
Construction
Aperture Blades
9 blades, Rounded blades
9 blades
Colors
Black
black
Form Factor
Ultra Wide-Angle Prime Lens
Short Telephoto Prime Lens
Image Size
Full-Frame
Full-Frame
Lens Barrel
Distance scale
Tripod collar, 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 E-mount
Material
Magnesium alloy
Motor
Ring-type ultrasonic
Ring-type ultrasonic
Optical Formula | Elements
15 elements
17 elements
Optical Formula | Groups
11 groups
12 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
Dimensions
Filter Diameter
105 mm / 4.13 in
Size | Diameter
91 mm / 3.58 in
116 mm / 4.57 in
Size | Length
130 mm / 5.12 in
132 mm / 5.20 in
Weight
950 g / 33.57 oz
1645 g / 58.13 oz
Function
Angle Of View
94.5° Diagonal | 84.0° Horizontal | 61.9° Vertical
23.3° Diagonal | 19.5° Horizontal | 13.0° Vertical
Aperture
f/1.4 ~ f/16
f/1.4 ~ f/16
Autofocus
Yes
Yes
Focal Length
20 mm
105 mm
Focus Type
Internal
Internal
Image Stabilization
No
No
Weather Resistance
No
Yes
Performance
Max Magnification
0.14x
0.12x
Min Focus Distance
300 mm / 11.81 in
1000 mm / 39.37 in
Production
Accessory
Lens hood included
Lens hood included
Debut
2015-10-16
2018-02-27
Made In
Japan
Japan
Reviews
Neofiliac score
55%
74%
Pros
- High level of resolution
- Bright maximum aperture
- Bokeh monster
- Exceptional sharpness
- Bright maximum aperture
- Weather-sealed
- Comes with a tripod collar
Cons
- Large and heavy
- Lacks front filter thread
- Lacks weather sealing
- Ridiculously large and heavy for a portrait lens
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