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Compare Samyang 135mm F2.0 ED UMC vs Sony 100mm F2.8 STF GM

Construction

Aperture Blades
9 blades
11 blades
Colors
Black
Form Factor
Medium Telephoto Prime Lens
Short Telephoto Prime Lens
Image Size
Full-Frame
Full-Frame
Lens Barrel
Physical aperture ring, Distance scale, DoF scale
Physical aperture ring, Focus limiter
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
Sony E-mount
Motor
Piezoelectric
Optical Formula | Elements
11 elements
14 elements
Optical Formula | 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
77 mm / 3.03 in
72 mm / 2.83 in
Size | Diameter
82 mm / 3.23 in
85 mm / 3.35 in
Size | Length
122 mm / 4.80 in
118 mm / 4.65 in
Weight
830 g / 29.33 oz
700 g / 24.73 oz

Function

Angle Of View
18.2° Diagonal | 15.2° Horizontal | 10.2° Vertical
24.4° Diagonal | 20.4° Horizontal | 13.7° Vertical
Aperture
f/2 ~ f/22
f/2.8 ~ f/20
Autofocus
No
Yes
Focal Length
135 mm
100 mm
Focus Type
Internal
Internal
Image Stabilization
No
Yes
Weather Resistance
No
Yes

Performance

Max Magnification
0.25x
Min Focus Distance
800 mm / 31.50 in
570 mm / 22.44 in

Production

Accessory
Lens hood included
Lens Hood: ALC-SH174 (supplied)
Debut
2015-01-12
2017-02-07
Model Name
SEL100F28GM

Reviews

Neofiliac score
50%
88%
Pros
  • Smooth rendering
  • Good resolution
  • The smoothest bokeh
  • Optically stabilized
  • Weather-sealed
  • Declickable aperture ring
  • Superb autofocus
Cons
  • On the heavy side
  • Lacks weather sealing
  • Hard to MF at this focal length
  • Low light transmission
  • STF appeals only to bokeh addicts

Price

Offers (incl. referral links)
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