Site Title

Compare Sigma 20mm F1.4 DG HSM vs Sigma 28mm F1.4 DG HSM vs Sigma 40mm F1.4 DG HSM

Reviews

Neo score
55%
83%
74%
Pros
  • High level of resolution
  • Bright maximum aperture
  • Good optical performance
  • Bright maximum aperture
  • Weather-sealed
  • Beautiful rendering
  • Bright maximum aperture
  • Weather-sealed
  • Superb sharpness
Cons
  • Large and heavy
  • Lacks front filter thread
  • Lacks weather sealing
  • On the heavy side
  • Released rather late in the DSLR Art line (DG HSM)
  • Quite large and heavy for a normal lens

Price

Offers (incl. referral links)

Construction

Aperture Blades
9 blades, Rounded blades
9 blades
9 blades
Colors
Black
Form Factor
Ultra Wide-Angle Prime Lens
Wide-Angle Prime Lens
Normal Prime Lens
Image Size
Full-Frame
Full-Frame
Full-Frame
Lens Barrel
Distance scale
Distance scale
Distance 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, Leica L-mount
Canon EF-mount, Nikon F-mount, Sigma SA-mount, Sony E-mount
Motor
Ring-type ultrasonic
Ring-type ultrasonic
Ring-type ultrasonic
Optical Formula | Elements
15 elements
17 elements
16 elements
Optical Formula | Groups
11 groups
12 groups
12 groups
Optical Formula | Special Glass
Two FLD, five SLD elements + Super Multi-Layer coating groups
Three SLD + two FLD elements groups
3 FLD + 3 SLD elements groups

Dimensions

Filter Diameter
77 mm / 3.03 in
82 mm / 3.23 in
Size | Diameter
91 mm / 3.58 in
83 mm / 3.27 in
88 mm / 3.46 in
Size | Length
130 mm / 5.12 in
108 mm / 4.25 in
131 mm / 5.16 in
Weight
950 g / 33.57 oz
865 g / 30.57 oz
1200 g / 42.40 oz

Function

Angle Of View
94.5° Diagonal | 84.0° Horizontal | 61.9° Vertical
75.4° Diagonal | 65.5° Horizontal | 46.4° Vertical
56.8° Diagonal | 48.5° Horizontal | 33.4° Vertical
Aperture
f/1.4 ~ f/16
f/1.4 ~ f/16
f/1.4 ~ f/16
Autofocus
Yes
Yes
Yes
Focal Length
20 mm
28 mm
40 mm
Focus Type
Internal
Internal
Internal
Image Stabilization
No
No
No
Weather Resistance
No
Yes
Yes

Performance

Max Magnification
0.14x
0.19x
0.15x
Min Focus Distance
300 mm / 11.81 in
280 mm / 11.02 in
400 mm / 15.75 in

Production

Accessory
Lens hood included
Lens hood included
Lens hood included
Debut
2015-10-16
2018-09-25
2018-09-25
Made In
Japan
Japan
Japan
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