Compare Sigma 20mm F1.4 DG HSM vs Sigma 105mm F1.4 DG HSM vs Sigma 50-100mm F1.8 DC HSM
Construction
Aperture Blades
9 blades, Rounded blades
9 blades
9 blades, Rounded blades
Colors
Black
black
Black
Form Factor
Ultra Wide-Angle Prime Lens
Short Telephoto Prime Lens
Telephoto Zoom Lens
Image Size
Full-Frame
Full-Frame
APS-C
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
Canon EF-mount, Nikon F-mount, Sigma SA-mount
Material
Magnesium alloy
Motor
Ring-type ultrasonic
Ring-type ultrasonic
Optical Formula | Elements
15 elements
17 elements
21 elements
Optical Formula | Groups
11 groups
12 groups
15 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
Three FLD, one SLD, one HRI elements groups
Dimensions
Filter Diameter
105 mm / 4.13 in
82 mm / 3.23 in
Size | Diameter
91 mm / 3.58 in
116 mm / 4.57 in
94 mm / 3.70 in
Size | Length
130 mm / 5.12 in
132 mm / 5.20 in
171 mm / 6.73 in
Weight
950 g / 33.57 oz
1645 g / 58.13 oz
1490 g / 52.65 oz
Function
Angle Of View
94.5° Diagonal | 84.0° Horizontal | 61.9° Vertical
23.3° Diagonal | 19.5° Horizontal | 13.0° Vertical
32.2° Diagonal | 27.0° Horizontal | 18.2° Vertical (wide) ~ 16.4° Diagonal | 13.7° Horizontal | 9.1° Vertical (tele)
Aperture
f/1.4 ~ f/16
f/1.4 ~ f/16
f/1.8 ~ f/16
Autofocus
Yes
Yes
Yes
Crop Factor
1.5
Focal Length
20 mm
105 mm
50 mm ~ 100 mm
Focal Length (35mm Equivalent)
75.0 mm ~ 150.0 mm
Focus Type
Internal
Internal
Image Stabilization
No
No
No
Weather Resistance
No
Yes
No
Zoom Type
Internal zoom
Performance
Max Magnification
0.14x
0.12x
0.15x
Min Focus Distance
300 mm / 11.81 in
1000 mm / 39.37 in
950 mm / 37.40 in
Production
Accessory
Lens hood included
Lens hood included
Lens hood included
Debut
2015-10-16
2018-02-27
2016-02-23
Made In
Japan
Japan
Japan
Reviews
Neofiliac score
55%
74%
46%
Pros
- High level of resolution
- Bright maximum aperture
- Bokeh monster
- Exceptional sharpness
- Bright maximum aperture
- Weather-sealed
- Comes with a tripod collar
- Superb image quality
- Internal zoom
Cons
- Large and heavy
- Lacks front filter thread
- Lacks weather sealing
- Ridiculously large and heavy for a portrait lens
- Very large and heavy for an APS-C lens
- Lacks weather sealing
Remove
Remove
Remove
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.