Compare Samyang 100mm F2.8 ED UMC Macro vs Panasonic DG 25-50mm F1.7 vs Panasonic S Pro 24-70mm F2.8
Construction
Aperture Blades
9 blades
9 circular aperture diaphragms
11 blades
Colors
Black
Form Factor
Short Telephoto Prime Lens
Standard Zoom Lens
Image Size
Full-Frame
Full-frame
Full-Frame
Lens Barrel
Physical aperture ring, Distance scale, DoF scale
Physical aperture ring
Lens Mount
Canon EF-mount, Fujifilm X-mount, Micro Four Thirds-mount, Nikon F-mount, Pentax K-mount, Samsung NX-mount, Sony A-mount, Sony E-mount
Micro Four Thirds mount
Leica L-mount
Material
Magnesium alloy
Motor
Linear Motor
Optical Formula | Elements
15 elements
16 elements
18 elements
Optical Formula | Groups
12 groups
11 groups
16 groups
Optical Formula | Special Glass
1 HRI + 1 ED element, Ultra Multi Coating groups
1 aspherical lens, 3 ED lenses, 1 UHR lens groups
3 aspherical + 1 UHR + 4 ED elements groups
Dimensions
Filter Diameter
67 mm / 2.64 in
77 mm
82 mm / 3.23 in
Size | Diameter
73 mm / 2.87 in
87.6 mm
91 mm / 3.58 in
Size | Length
123 mm / 4.84 in
127.6 mm
140 mm / 5.51 in
Weight
720 g / 25.44 oz
654 g
935 g / 33.04 oz
Function
Angle Of View
24.4° Diagonal | 20.4° Horizontal | 13.7° Vertical
47° ~ 24°
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/32
F/1.7 ~ f/16
f/2.8 ~ f/22
Autofocus
No
Yes
Focal Length
100 mm
0.28 m / 0.92 ft @ 25mm, 0.31 m / 1.02 ft @ 50mm
24 mm ~ 70 mm
Focal Length (35mm Equivalent)
50-100 mm
Focus Type
Internal
Internal
Image Stabilization
No
No
Operating Temperature
-10°C ~ 40°C
Weather Resistance
No
Dust, moisture
Yes
Zoom Type
External zoom
External zoom
Performance
Max Magnification
1x
0.21x @ 50mm
0.25x
Min Focus Distance
310 mm / 12.20 in
0.37 m
370 mm / 14.57 in
Production
Accessory
Lens hood included
Lens hood included
Debut
2015-04-01
2021-07-08
2019-08-27
Model Name
H-X2550
S-E2470
Reviews
Neofiliac score
59%
41%
Pros
- 1:1 reproduction
- Clear focusing scale
- Superb image quality
- Weather-sealed
- Comes with physical aperture ring
- Solidly built
Cons
- Lacks weather sealing
- Not Samyang's strongest build
- Very large and heavy
- External zoom without zoom lock
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