Compare Samyang 24mm F1.4 ED AS IF UMC vs Samyang 135mm F2.0 ED UMC vs Pentax-FA 43mm F1.9
Construction
Aperture Blades
9 blades
8 blades
Colors
Black
Black, silver
Form Factor
Wide-Angle Prime Lens
Medium Telephoto Prime Lens
Normal Prime Lens
Image Size
Full-Frame
Full-Frame
Full-Frame
Lens Barrel
Physical aperture ring, Distance scale, DoF scale
Physical aperture ring, Distance scale, DoF scale
Physical aperture ring, Distance scale, DoF scale
Lens Mount
Canon EF-mount, Nikon F-mount, Micro Four Thirds-mount, Pentax K-mount, Sony A-mount, Sony E-mount, Samsung NX-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 K-mount
Material
Aluminum
Motor
Screw drive from camera
Optical Formula | Elements
13 elements
11 elements
7 elements
Optical Formula | Groups
12 groups
7 groups
6 groups
Optical Formula | Special Glass
4 ED glass elements, 2 aspherical elements groups
1 ED element, Ultra Multi Coating groups
HD + Super Protect coatings groups
Dimensions
Filter Diameter
77 mm / 3.03 in
77 mm / 3.03 in
49 mm / 1.93 in
Size | Diameter
83 mm / 3.27 in
82 mm / 3.23 in
64 mm / 2.52 in
Size | Length
122 mm / 4.80 in
27 mm / 1.06 in
Weight
830 g / 29.33 oz
155 g / 5.48 oz
Function
Angle Of View
84.1° Diagonal | 73.7° Horizontal | 53.1° Vertical
18.2° Diagonal | 15.2° Horizontal | 10.2° Vertical
53.4° Diagonal | 45.4° Horizontal | 31.2° Vertical
Aperture
f/1.4 ~ f/22
f/2 ~ f/22
f/1.9 ~ f/22
Autofocus
No
No
Yes
Focal Length
24 mm
135 mm
43 mm
Focus Type
Internal
Internal
Image Stabilization
No
No
Weather Resistance
No
No
No
Performance
Max Magnification
0.12x
Min Focus Distance
250 mm / 9.84 in
800 mm / 31.50 in
450 mm / 17.72 in
Production
Accessory
Lens hood included
Lens hood included
Debut
2011-08-12
2015-01-12
2021-02-24
Reviews
Neofiliac score
59%
50%
68%
Pros
- Bright maximum aperture
- Affordable choice in its class
- Smooth rendering
- Good resolution
- Compact and lightweight
- Comes with physical aperture ring
Cons
- Lacks weather sealing
- Not the best IQ
- Not the highest grade of construction
- On the heavy side
- Lacks weather sealing
- Hard to MF at this focal length
- Lacks weather sealing
- Expensive for a pancake lens
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