Compare Sigma 14mm F1.8 DG HSM vs Sony 20mm F1.8 G
Construction
Aperture Blades
9 blades
Colors
Black
Black
Form Factor
Ultra Wide-Angle Prime Lens
Ultra Wide-Angle 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
Sony E-mount
Motor
Ring-type ultrasonic
Linear Motor
Optical Formula | Elements
16 elements
14 elements
Optical Formula | Groups
11 groups
12 groups
Optical Formula | Special Glass
Three FLD and four SLD elements groups
2 aspherical + 3 ED elements, Nano AR coating groups
Dimensions
Filter Diameter
67 mm / 2.64 in
Size | Diameter
95 mm / 3.74 in
74 mm / 2.91 in
Size | Length
126 mm / 4.96 in
85 mm / 3.35 in
Weight
1170 g / 41.34 oz
373 g / 13.18 oz
Function
Angle Of View
114.2° Diagonal | 104.3° Horizontal | 81.2° Vertical
94.5° Diagonal | 84.0° Horizontal | 61.9° Vertical
Aperture
f/1.8 ~ f/16
f/1.8 ~ f/16
Autofocus
Yes
Yes
Focal Length
14 mm
20 mm
Focus Type
Internal
Internal
Image Stabilization
No
No
Weather Resistance
Yes
Performance
Max Magnification
0.1x
0.22x
Min Focus Distance
270 mm / 10.63 in
190 mm / 7.48 in
Production
Accessory
Lens hood included
Lens hood included
Debut
2017-02-21
2020-02-25
Made In
Japan
Model Name
SEL20F18G
Reviews
Neofiliac score
55%
88%
Pros
- Excellent image quality
- Very well built
- Weather-sealed
- Declickable aperture ring
- Very sharp corner to corner
- Low distortion
Cons
- Notable comatic aberration
- Very large and heavy
- Lacks front filter thread
- Not the most solidly-built
- f/1.8 limiting for night photography
Remove
Remove
Related Products
Add up to 4 products to the comparison using the search bar above
Information on this page is provided on an as-is basis. No warranty on accuracy is implied. This page may contain affiliate links to third-party merchants such as Amazon and eBay. If you make a purchase using the supplied link, we may receive a commission. Neofiliac places the utmost respect for your privacy. We use no cookie whatsoever beyond that needed for the proper functioning of the website.