Compare Sigma 20mm F1.4 DG HSM vs Tamron 20mm F/2.8 vs Tamron 35mm F2.8
Construction
Aperture Blades
9 blades, Rounded blades
7 blades
7 blades
Colors
Black
Black
Black
Form Factor
Ultra Wide-Angle Prime Lens
Ultra Wide-Angle Prime Lens
Wide-Angle Prime Lens
Image Size
Full-Frame
Full-Frame
Full-Frame
Lens Barrel
Distance 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
Micromotor
Micromotor
Optical Formula | Elements
15 elements
10 elements
9 elements
Optical Formula | Groups
11 groups
9 groups
8 groups
Optical Formula | Special Glass
Two FLD, five SLD elements + Super Multi-Layer coating groups
Low-dispersion and aspherical elements + BBAR and fluorine coatings groups
Low-dispersion and aspherical elements + BBAR and fluorine coatings groups
Dimensions
Filter Diameter
67 mm / 2.64 in
67 mm / 2.64 in
Size | Diameter
91 mm / 3.58 in
73 mm / 2.87 in
73 mm / 2.87 in
Size | Length
130 mm / 5.12 in
64 mm / 2.52 in
64 mm / 2.52 in
Weight
950 g / 33.57 oz
220 g / 7.77 oz
210 g / 7.42 oz
Function
Angle Of View
94.5° Diagonal | 84.0° Horizontal | 61.9° Vertical
94.5° Diagonal | 84.0° Horizontal | 61.9° Vertical
63.5° Diagonal | 54.4° Horizontal | 37.8° Vertical
Aperture
f/1.4 ~ f/16
f/2.8
f/2.8
Autofocus
Yes
Yes
Yes
Focal Length
20 mm
20 mm
35 mm
Focus Type
Internal
Internal
Internal
Image Stabilization
No
No
No
Weather Resistance
No
Yes
Yes
Performance
Max Magnification
0.14x
0.5x
0.5x
Min Focus Distance
300 mm / 11.81 in
110 mm / 4.33 in
150 mm / 5.91 in
Production
Accessory
Lens hood included
Lens hood included
Lens hood included
Debut
2015-10-16
2019-10-23
2019-10-23
Made In
Japan
Model Name
F050
F053
Reviews
Neofiliac score
55%
86%
78%
Pros
- High level of resolution
- Bright maximum aperture
- Compact and lightweight
- Weather-sealed
- 1:2 maximum reproduction
- Very close focusing distance
- Good color rendition
- Compact and lightweight
- Weather-sealed
- Good color rendition
- Fast AF
Cons
- Large and heavy
- Lacks front filter thread
- Lacks weather sealing
- Noisy AF
- Not the sharpest
- Slow autofocus
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