Compare Samyang 135mm F2.0 ED UMC vs Pentax 05 Toy Lens Telephoto vs Pentax 07 Mount Shield Lens
Construction
Aperture Blades
9 blades
Form Factor
Medium Telephoto Prime Lens
Short Telephoto Prime Lens
Normal Prime Lens
Image Size
Full-Frame
1/1.7"
1/1.7"
Lens Barrel
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
Pentax Q-mount
Pentax Q-mount
Material
Plastic mount
Optical Formula | Elements
11 elements
3 elements
1 elements
Optical Formula | Groups
7 groups
3 groups
1 groups
Optical Formula | Special Glass
1 ED element, Ultra Multi Coating groups
Dimensions
Filter Diameter
77 mm / 3.03 in
Size | Diameter
82 mm / 3.23 in
41 mm / 1.61 in
41 mm / 1.61 in
Size | Length
122 mm / 4.80 in
20 mm / 0.79 in
7 mm / 0.28 in
Weight
830 g / 29.33 oz
18 g / 0.64 oz
8 g / 0.28 oz
Function
Angle Of View
18.2° Diagonal | 15.2° Horizontal | 10.2° Vertical
29.3° Diagonal | 24.5° Horizontal | 16.5° Vertical
44.5° Diagonal | 37.6° Horizontal | 25.6° Vertical
Aperture
f/2 ~ f/22
f/8
f/9
Autofocus
No
No
No
Crop Factor
4.6
4.6
Focal Length
135 mm
18 mm
11.5 mm
Focal Length (35mm Equivalent)
82.8 mm
52.9 mm
Focus Type
Internal
Image Stabilization
No
No
Weather Resistance
No
Performance
Max Magnification
0.08x
Min Focus Distance
800 mm / 31.50 in
270 mm / 10.63 in
300 mm / 11.81 in
Production
Accessory
Lens hood included
Debut
2015-01-12
2011-06-23
2013-06-12
Reviews
Neofiliac score
50%
50%
40%
Pros
- Smooth rendering
- Good resolution
- Very, very compact and lightweight
- Interesting "body cap" form factor
Cons
- On the heavy side
- Lacks weather sealing
- Hard to MF at this focal length
- Dark and fixed aperture
- Not a serious lens
- Limited f/9 aperture
- Image quality was not on the mind of its engineers
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