Compare Sigma 20mm F1.4 DG HSM vs Zeiss Batis 25mm F2 vs Zeiss Batis 85mm F1.8
Construction
Aperture Blades
9 blades, Rounded blades
Colors
Black
Form Factor
Ultra Wide-Angle Prime Lens
Wide-Angle Prime Lens
Short Telephoto Prime Lens
Image Size
Full-Frame
Full-Frame
Full-Frame
Lens Barrel
Distance scale
Distance scale, DoF scale
Distance scale, DoF scale
Lens Mount
Canon EF-mount, Nikon F-mount, Sigma SA-mount, Sony E-mount, Leica L-mount
Sony E-mount
Sony E-mount
Motor
Ring-type ultrasonic
Optical Formula | Elements
15 elements
10 elements
10 elements
Optical Formula | Groups
11 groups
8 groups
8 groups
Optical Formula | Special Glass
Two FLD, five SLD elements + Super Multi-Layer coating groups
4 double-sided aspherical elements, T* coating groups
T* coating groups
Dimensions
Filter Diameter
67 mm / 2.64 in
67 mm / 2.64 in
Size | Diameter
91 mm / 3.58 in
92 mm / 3.62 in
105 mm / 4.13 in
Size | Length
130 mm / 5.12 in
78 mm / 3.07 in
78 mm / 3.07 in
Weight
950 g / 33.57 oz
335 g / 11.84 oz
475 g / 16.78 oz
Function
Angle Of View
94.5° Diagonal | 84.0° Horizontal | 61.9° Vertical
81.8° Diagonal | 71.5° Horizontal | 51.3° Vertical
28.6° Diagonal | 23.9° Horizontal | 16.1° Vertical
Aperture
f/1.4 ~ f/16
f/2 ~ f/22
f/1.8 ~ f/22
Autofocus
Yes
Yes
Yes
Focal Length
20 mm
25 mm
85 mm
Focus Type
Internal
Internal
Internal
Image Stabilization
No
No
Yes
Weather Resistance
No
Yes
Yes
Performance
Max Magnification
0.14x
Min Focus Distance
300 mm / 11.81 in
200 mm / 7.87 in
800 mm / 31.50 in
Production
Accessory
Lens hood included
Lens hood included
Lens hood included
Debut
2015-10-16
2015-04-22
2015-04-22
Made In
Japan
Reviews
Neofiliac score
55%
78%
93%
Pros
- High level of resolution
- Bright maximum aperture
- Weather-sealed
- OLED display
- Quite lightweight for its size
- Optically stabilized
- Weather-sealed
- OLED display
- Rather lightweight for its focal length
Cons
- Large and heavy
- Lacks front filter thread
- Lacks weather sealing
- Barrel with large diameter
- Barrel with large diameter
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