Compare Samyang 300mm F6.3 ED UMC CS vs Samyang 135mm F2.0 ED UMC vs Pentax-FA 43mm F1.9
Construction
Aperture Blades
9 blades
8 blades
Colors
Black, silver
Form Factor
Super Telephoto Prime Lens
Medium Telephoto Prime Lens
Normal Prime Lens
Image Size
APS-C
Full-Frame
Full-Frame
Lens Barrel
Distance scale
Physical aperture ring, Distance scale, DoF scale
Physical aperture ring, Distance scale, DoF scale
Lens Mount
Canon EF-mount, Micro Four Thirds-mount, Nikon F-mount, Sony A-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
8 elements
11 elements
7 elements
Optical Formula | Groups
8 groups
7 groups
6 groups
Optical Formula | Special Glass
1 ED element, Ultra Multi Coating groups
HD + Super Protect coatings groups
Dimensions
Filter Diameter
25.5 mm / 1.00 in
77 mm / 3.03 in
49 mm / 1.93 in
Size | Diameter
65 mm / 2.56 in
82 mm / 3.23 in
64 mm / 2.52 in
Size | Length
74 mm / 2.91 in
122 mm / 4.80 in
27 mm / 1.06 in
Weight
260 g / 9.19 oz
830 g / 29.33 oz
155 g / 5.48 oz
Function
Angle Of View
5.5° Diagonal | 4.6° Horizontal | 3.1° Vertical
18.2° Diagonal | 15.2° Horizontal | 10.2° Vertical
53.4° Diagonal | 45.4° Horizontal | 31.2° Vertical
Aperture
f/6.3
f/2 ~ f/22
f/1.9 ~ f/22
Autofocus
No
No
Yes
Crop Factor
1.5
Focal Length
300 mm
135 mm
43 mm
Focal Length (35mm Equivalent)
450.0 mm
Focus Type
Internal
Internal
Image Stabilization
No
No
No
Weather Resistance
No
No
Performance
Max Magnification
0.12x
Min Focus Distance
1100 mm / 43.31 in
800 mm / 31.50 in
450 mm / 17.72 in
Production
Accessory
Lens hood included
Lens hood included
Debut
2014-04-28
2015-01-12
2021-02-24
Reviews
Neofiliac score
40%
50%
68%
Pros
- Very light and compact for the focal length
- Affordable for the focal length
- Smooth rendering
- Good resolution
- Compact and lightweight
- Comes with physical aperture ring
Cons
- Reflex / mirror construction results in low IQ
- Dark fixed f/6.3 aperture
- 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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