Compare Samyang 135mm F2.0 ED UMC vs Panasonic DG 100-400mm F4.0-6.3 vs Leica SL 90-280mm F2.8-4
Construction
Aperture Blades
9 blades
9 blades, Circular blades
Colors
Black
Form Factor
Medium Telephoto Prime Lens
Super Telephoto Zoom Lens
Telephoto Zoom Lens
Image Size
Full-Frame
MFT
Full-Frame
Lens Barrel
Physical aperture ring, Distance scale, DoF scale
Focus limiter, Tripod collar
Tripod collar
Lens Mount
Canon EF-mount, Canon EF-M-mount, Micro Four Thirds-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
Motor
Micromotor
Stepper motor
Optical Formula | Elements
11 elements
20 elements
23 elements
Optical Formula | Groups
7 groups
13 groups
7 groups
Optical Formula | Special Glass
1 ED element, Ultra Multi Coating groups
1 aspherical ED, 1 UED, 2 ED elements groups
4 APD groups
Dimensions
Filter Diameter
77 mm / 3.03 in
72 mm / 2.83 in
82 mm / 3.23 in
Size | Diameter
82 mm / 3.23 in
83 mm / 3.27 in
Size | Length
122 mm / 4.80 in
172 mm / 6.77 in
Weight
830 g / 29.33 oz
985 g / 34.81 oz
Function
Angle Of View
18.2° Diagonal | 15.2° Horizontal | 10.2° Vertical
12.4° Diagonal | 10.3° Horizontal | 6.9° Vertical (wide) ~ 3.1° Diagonal | 2.6° Horizontal | 1.7° Vertical (tele)
27.1° Diagonal | 22.6° Horizontal | 15.2° Vertical (wide) ~ 8.8° Diagonal | 7.4° Horizontal | 4.9° Vertical (tele)
Aperture
f/2 ~ f/22
f/4–6.3 ~ f/22
f/2.8–4 ~ f/22
Autofocus
No
Yes
Yes
Crop Factor
2.0
Focal Length
135 mm
100 mm ~ 400 mm
90 mm ~ 280 mm
Focal Length (35mm Equivalent)
200.0 mm ~ 800.0 mm
Focus Type
Internal
Extending front
Internal
Image Stabilization
No
Yes
Yes
Weather Resistance
No
Yes
Yes
Zoom Type
External zoom (zoom lock available)
External zoom
Performance
Max Magnification
0.25x
Min Focus Distance
800 mm / 31.50 in
1300 mm / 51.18 in
Production
Accessory
Lens hood included
Lens hood included
Lens hood included
Debut
2015-01-12
2016-01-05
2015-10-20
Made In
Germany
Model Name
H-RS100400
Reviews
Neofiliac score
50%
50%
93%
Pros
- Smooth rendering
- Good resolution
- Amazing 800mm equivalent reach
- Optically stabilized
- Zoom lock prevents zoom creep
- Weather-sealed
- Comes with a tripod collar
- Superb sharpness
- Optically stabilized
- Weather-sealed
- Comes with a tripod collar
- Apochromatic design
Cons
- On the heavy side
- Lacks weather sealing
- Hard to MF at this focal length
- Dark maximum aperture
- External zoom without zoom lock
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