Compare SIGMA 45mm F2.8 DG DN vs SIGMA 18-50mm F2.8 DC DN vs Leica Vario-Elmarit-SL 24-70
Construction
Aperture Blades
7 blades
7 blades, Rounded blades
11 blades
Colors
Black
Black
Form Factor
Normal Prime Lens
Standard Zoom Lens
Standard Zoom Lens
Image Size
Full-Frame
APS-C
Full-Frame
Lens Barrel
Physical aperture ring
Lens Mount
Leica L-mount, Sony E-mount
Leica L-mount, Sony E-mount
L-mount
Material
Anodized aluminum
Motor
Stepper motor
Stepper motor
Stepper motor
Optical Formula | Elements
8 elements
13 elements
19 elements
Optical Formula | Groups
7 groups
10 groups
15 groups
Optical Formula | Special Glass
1 Super Low Dispersion and 3 aspherical elements groups
3 aspherical elements groups
Dimensions
Filter Diameter
55 mm / 2.17 in
55 mm / 2.17 in
82 mm / 3.23 in
Size | Diameter
64 mm / 2.52 in
65 mm / 2.56 in
88 mm / 3.46 in
Size | Length
46 mm / 1.81 in
75 mm / 2.95 in
123 mm / 4.84 in
Weight
215 g / 7.60 oz
290 g / 10.25 oz
856 g / 30.25 oz
Function
Angle Of View
51.4° Diagonal | 43.6° Horizontal | 29.9° Vertical
77.4° Diagonal | 67.4° Horizontal | 47.9° Vertical (wide) ~ 32.2° Diagonal | 27.0° Horizontal | 18.2° Vertical (tele)
84.1° Diagonal | 73.7° Horizontal | 53.1° Vertical (wide) ~ 34.4° Diagonal | 28.8° Horizontal | 19.5° Vertical (tele)
Aperture
f/2.8 ~ f/22
f/2.8 ~ f/22
f/2.8 ~ f/22
Autofocus
Yes
Yes
Yes
Crop Factor
1.5
Focal Length
45 mm
18 mm ~ 50 mm
24 mm ~ 70 mm
Focal Length (35mm Equivalent)
27.0 mm ~ 75.0 mm
Focus Type
Internal
Internal
Internal
Image Stabilization
No
No
No
Weather Resistance
Yes
Yes
Yes
Zoom Type
External zoom
External zoom
Performance
Max Magnification
0.25x
0.34x
Min Focus Distance
240 mm / 9.45 in
120 mm / 4.72 in
180 mm / 7.09 in
Production
Accessory
Lens hood included
Lens Hood: LH582-02 (supplied)
Lens hood included
Debut
2019-07-11
2021-10-19
2021-05-06
Made In
Japan
Japan
Germany
Reviews
Neofiliac score
91%
55%
70%
Pros
- Compact and lightweight
- High contrast
- Weather-sealed
- Comes with physical aperture ring
- Good AF performance
- Constant f/2.8 aperture
- Very sharp wide open
- Dust and splash protection
- Weather-sealed
- Beautiful construction
- Good image quality
Cons
- Cannot declick aperture ring
- Not very bright
- External zoom without zoom lock
- Not stabilized
- On the heavy side
- External zoom without zoom lock
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