Compare Sigma 40mm F1.4 DG HSM vs Sigma 50mm F1.4 DG HSM vs Leica SL 24-90mm F2.8-4
Construction
Aperture Blades
9 blades
9 blades, Rounded diaphragm
Colors
Black
Form Factor
Normal Prime Lens
Normal Prime Lens
Standard Zoom Lens
Image Size
Full-Frame
Full-Frame
Full-Frame
Lens Barrel
Distance scale
Distance scale, DoF scale
Lens Mount
Canon EF-mount, Nikon F-mount, Sigma SA-mount, Sony E-mount
Canon EF-mount, Nikon F-mount, Sigma SA-mount, Sony A-mount, Sony E-mount, Leica L-mount
Leica L-mount
Motor
Ring-type ultrasonic
Ring-type ultrasonic
Stepper motor
Optical Formula | Elements
16 elements
13 elements
18 elements
Optical Formula | Groups
12 groups
8 groups
15 groups
Optical Formula | Special Glass
3 FLD + 3 SLD elements groups
SLD glass elements, aspheric elements groups
4 aspherical groups
Dimensions
Filter Diameter
82 mm / 3.23 in
77 mm / 3.03 in
82 mm / 3.23 in
Size | Diameter
88 mm / 3.46 in
85 mm / 3.35 in
88 mm / 3.46 in
Size | Length
131 mm / 5.16 in
100 mm / 3.94 in
138 mm / 5.43 in
Weight
1200 g / 42.40 oz
815 g / 28.80 oz
1140 g / 40.28 oz
Function
Angle Of View
56.8° Diagonal | 48.5° Horizontal | 33.4° Vertical
46.8° Diagonal | 39.6° Horizontal | 27.0° Vertical
84.1° Diagonal | 73.7° Horizontal | 53.1° Vertical (wide) ~ 27.1° Diagonal | 22.6° Horizontal | 15.2° Vertical (tele)
Aperture
f/1.4 ~ f/16
f/1.4 ~ f/16
f/2.8–4 ~ f/22
Autofocus
Yes
Yes
Yes
Focal Length
40 mm
50 mm
24 mm ~ 90 mm
Focus Type
Internal
Internal
Internal
Image Stabilization
No
No
Yes
Weather Resistance
Yes
Yes
Zoom Type
External zoom
Performance
Max Magnification
0.15x
0.18x
0.14x
Min Focus Distance
400 mm / 15.75 in
400 mm / 15.75 in
300 mm / 11.81 in
Production
Accessory
Lens hood included
Debut
2018-09-25
2014-01-06
2015-10-20
Made In
Japan
Japan
Germany
Reviews
Neofiliac score
74%
74%
70%
Pros
- Beautiful rendering
- Bright maximum aperture
- Weather-sealed
- Superb sharpness
- Exceptional sharpness
- Solid build quality
- Bright maximum aperture
- Optically stabilized
- Weather-sealed
- Good image quality
Cons
- Quite large and heavy for a normal lens
- On the heavy side
- Large and heavy
- External zoom without zoom lock
- Variable maximum aperture
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