Compare Sigma 20mm F1.4 DG HSM vs SIGMA 85mm F1.4 DG DN
Construction
Aperture Blades
9 blades, Rounded blades
11 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
Physical aperture ring
Lens Mount
Canon EF-mount, Nikon F-mount, Sigma SA-mount, Sony E-mount, Leica L-mount
Leica L-mount, Sony E-mount
Material
Magnesium alloy
Motor
Ring-type ultrasonic
Stepper motor
Optical Formula | Elements
15 elements
11 elements
Optical Formula | Groups
11 groups
15 groups
Optical Formula | Special Glass
Two FLD, five SLD elements + Super Multi-Layer coating groups
1 aspherical + 5 SLD elements groups
Dimensions
Filter Diameter
77 mm / 3.03 in
Size | Diameter
91 mm / 3.58 in
83 mm / 3.27 in
Size | Length
130 mm / 5.12 in
94 mm / 3.70 in
Weight
950 g / 33.57 oz
630 g / 22.26 oz
Function
Angle Of View
94.5° Diagonal | 84.0° Horizontal | 61.9° Vertical
28.6° Diagonal | 23.9° Horizontal | 16.1° Vertical
Aperture
f/1.4 ~ f/16
f/1.4 ~ f/16
Autofocus
Yes
Yes
Focal Length
20 mm
85 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
850 mm / 33.46 in
Production
Accessory
Lens hood included
Lens hood included
Debut
2015-10-16
2020-08-05
Made In
Japan
Japan
Reviews
Neofiliac score
55%
98%
Pros
- High level of resolution
- Bright maximum aperture
- Excellent autofocus
- Great build quality
- Good color rendition
- Bright maximum aperture
- Weather-sealed
- Comes with physical aperture ring
Cons
- Large and heavy
- Lacks front filter thread
- Lacks weather sealing
- Vignetting at f/1.4
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