Compare Sigma 20mm F1.4 DG HSM vs Panasonic S Pro 16-35mm F4 vs Panasonic S Pro 24-70mm F2.8
Construction
Aperture Blades
9 blades, Rounded blades
9 blades
11 blades
Colors
Black
Black
Black
Form Factor
Ultra Wide-Angle Prime Lens
Wide-Angle Zoom Lens
Standard Zoom Lens
Image Size
Full-Frame
Full-Frame
Full-Frame
Lens Barrel
Distance scale
Distance scale
Physical aperture ring
Lens Mount
Canon EF-mount, Nikon F-mount, Sigma SA-mount, Sony E-mount, Leica L-mount
Leica L-mount
Leica L-mount
Material
Magnesium alloy
Motor
Ring-type ultrasonic
Linear Motor
Linear Motor
Optical Formula | Elements
15 elements
12 elements
18 elements
Optical Formula | Groups
11 groups
9 groups
16 groups
Optical Formula | Special Glass
Two FLD, five SLD elements + Super Multi-Layer coating groups
1 ED + 1 UHR + 3 aspherical elements groups
3 aspherical + 1 UHR + 4 ED elements groups
Dimensions
Filter Diameter
77 mm / 3.03 in
82 mm / 3.23 in
Size | Diameter
91 mm / 3.58 in
85 mm / 3.35 in
91 mm / 3.58 in
Size | Length
130 mm / 5.12 in
100 mm / 3.94 in
140 mm / 5.51 in
Weight
950 g / 33.57 oz
500 g / 17.67 oz
935 g / 33.04 oz
Function
Angle Of View
94.5° Diagonal | 84.0° Horizontal | 61.9° Vertical
107.1° Diagonal | 96.7° Horizontal | 73.7° Vertical (wide) ~ 63.5° Diagonal | 54.4° Horizontal | 37.8° Vertical (tele)
84.1° Diagonal | 73.7° Horizontal | 53.1° Vertical (wide) ~ 34.4° Diagonal | 28.8° Horizontal | 19.5° Vertical (tele)
Aperture
f/1.4 ~ f/16
f/4 ~ f/22
f/2.8 ~ f/22
Autofocus
Yes
Yes
Yes
Focal Length
20 mm
16 mm ~ 35 mm
24 mm ~ 70 mm
Focus Type
Internal
Internal
Internal
Image Stabilization
No
No
No
Weather Resistance
No
Yes
Yes
Zoom Type
External zoom
External zoom
Performance
Max Magnification
0.14x
0.23x
0.25x
Min Focus Distance
300 mm / 11.81 in
250 mm / 9.84 in
370 mm / 14.57 in
Production
Accessory
Lens hood included
Lens hood included
Lens hood included
Debut
2015-10-16
2019-11-06
2019-08-27
Made In
Japan
Model Name
S-R1635
S-E2470
Reviews
Neofiliac score
55%
60%
41%
Pros
- High level of resolution
- Bright maximum aperture
- Weather-sealed
- Sharpness across the frame
- Beautifully constructed
- Superb image quality
- Weather-sealed
- Comes with physical aperture ring
- Solidly built
Cons
- Large and heavy
- Lacks front filter thread
- Lacks weather sealing
- Dark maximum aperture
- External zoom without zoom lock
- Very large and heavy
- External zoom without zoom lock
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