Compare Samyang 300mm F6.3 ED UMC CS vs Samyang 135mm F2.0 ED UMC vs Sony 100mm F2.8 STF GM
Construction
Aperture Blades
9 blades
11 blades
Colors
Black
Form Factor
Super Telephoto Prime Lens
Medium Telephoto Prime Lens
Short Telephoto Prime Lens
Image Size
APS-C
Full-Frame
Full-Frame
Lens Barrel
Distance scale
Physical aperture ring, Distance scale, DoF scale
Physical aperture ring, Focus limiter
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
Sony E-mount
Motor
Piezoelectric
Optical Formula | Elements
8 elements
11 elements
14 elements
Optical Formula | Groups
8 groups
7 groups
10 groups
Optical Formula | Special Glass
1 ED element, Ultra Multi Coating groups
ED and aspherical elements, Nano AR coating groups
Dimensions
Filter Diameter
25.5 mm / 1.00 in
77 mm / 3.03 in
72 mm / 2.83 in
Size | Diameter
65 mm / 2.56 in
82 mm / 3.23 in
85 mm / 3.35 in
Size | Length
74 mm / 2.91 in
122 mm / 4.80 in
118 mm / 4.65 in
Weight
260 g / 9.19 oz
830 g / 29.33 oz
700 g / 24.73 oz
Function
Angle Of View
5.5° Diagonal | 4.6° Horizontal | 3.1° Vertical
18.2° Diagonal | 15.2° Horizontal | 10.2° Vertical
24.4° Diagonal | 20.4° Horizontal | 13.7° Vertical
Aperture
f/6.3
f/2 ~ f/22
f/2.8 ~ f/20
Autofocus
No
No
Yes
Crop Factor
1.5
Focal Length
300 mm
135 mm
100 mm
Focal Length (35mm Equivalent)
450.0 mm
Focus Type
Internal
Internal
Image Stabilization
No
No
Yes
Weather Resistance
No
Yes
Performance
Max Magnification
0.25x
Min Focus Distance
1100 mm / 43.31 in
800 mm / 31.50 in
570 mm / 22.44 in
Production
Accessory
Lens hood included
Lens Hood: ALC-SH174 (supplied)
Debut
2014-04-28
2015-01-12
2017-02-07
Model Name
SEL100F28GM
Reviews
Neofiliac score
40%
50%
88%
Pros
- Very light and compact for the focal length
- Affordable for the focal length
- Smooth rendering
- Good resolution
- The smoothest bokeh
- Optically stabilized
- Weather-sealed
- Declickable aperture ring
- Superb autofocus
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
- Low light transmission
- STF appeals only to bokeh addicts
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