Compare Samyang 135mm F2.0 ED UMC vs 7Artisans 25mm F1.8 vs 7Artisans 35mm F1.2 Mark II
Construction
Aperture Blades
9 blades
7 blades
10 blades
Colors
Black
Black
Form Factor
Medium Telephoto Prime Lens
Normal Prime Lens
Manual focus lens, Prime lens
Image Size
Full-Frame
APS-C
APS-C
Lens Barrel
Physical aperture ring, Distance scale, DoF scale
Physical aperture ring, Distance scale, DoF scale
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
Canon EF-M-mount, Fujifilm X-mount, Micro Four Thirds-mount, Sony E-mount
E-mount, X-mount, EF-M-mount, Micro Four Thirds, Z-mount
Material
Aluminum
Optical Formula | Elements
11 elements
7 elements
6 elements
Optical Formula | Groups
7 groups
5 groups
5 groups
Optical Formula | Special Glass
1 ED element, Ultra Multi Coating groups
Dimensions
Filter Diameter
77 mm / 3.03 in
46 mm / 1.81 in
46 mm
Size | Diameter
82 mm / 3.23 in
51 mm / 2.01 in
Size | Length
122 mm / 4.80 in
32 mm / 1.26 in
Weight
830 g / 29.33 oz
143 g / 5.05 oz
150 g
Function
Angle Of View
18.2° Diagonal | 15.2° Horizontal | 10.2° Vertical
60.0° Diagonal | 51.3° Horizontal | 35.5° Vertical
43.9°
Aperture
f/2 ~ f/22
f/1.8 ~ f/22
F/1.2 ~ f/22
Autofocus
No
No
Crop Factor
1.5
Focal Length
135 mm
25 mm
35 mm
Focal Length (35mm Equivalent)
37.5 mm
52.5 mm
Focus Type
Internal
Internal
Image Stabilization
No
No
N/A
Weather Resistance
No
No
Performance
Min Focus Distance
800 mm / 31.50 in
180 mm / 7.09 in
28 cm
Production
Accessory
Lens hood included
Debut
2015-01-12
2017-06-28
2020-12
Made In
China
Reviews
Neofiliac score
50%
59%
Pros
- Smooth rendering
- Good resolution
- Short barrel
- Light in the hand
- Appears well-built
- Very good sharpness
- Very good bokeh
- F1.2 aperture
- Fast autofocus
Cons
- On the heavy side
- Lacks weather sealing
- Hard to MF at this focal length
- Lacks weather sealing
- Not the strongest in optical performance
- Aperture ring with click is flimsy
- Bokeh and vignetting good only at F2.8
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