Compare Sony 100mm F2.8 STF GM vs Sony 135mm F1.8 GM
Construction
Aperture Blades
11 blades
11 blades
Colors
Black
Black
Form Factor
Short Telephoto Prime Lens
Medium Telephoto Prime Lens
Image Size
Full-Frame
Full-Frame
Lens Barrel
Physical aperture ring, Focus limiter
Physical aperture ring, Focus limiter
Lens Mount
Sony E-mount
Sony E-mount
Material
Magnesium alloy
Motor
Piezoelectric
Linear Motor
Optical Formula | Elements
14 elements
13 elements
Optical Formula | Groups
10 groups
10 groups
Optical Formula | Special Glass
ED and aspherical elements, Nano AR coating groups
XD, Super ED and ED elements; Nano AR and fluorine coatings groups
Dimensions
Filter Diameter
72 mm / 2.83 in
82 mm / 3.23 in
Size | Diameter
85 mm / 3.35 in
90 mm / 3.54 in
Size | Length
118 mm / 4.65 in
127 mm / 5.00 in
Weight
700 g / 24.73 oz
950 g / 33.57 oz
Function
Angle Of View
24.4° Diagonal | 20.4° Horizontal | 13.7° Vertical
18.2° Diagonal | 15.2° Horizontal | 10.2° Vertical
Aperture
f/2.8 ~ f/20
f/1.8 ~ f/22
Autofocus
Yes
Yes
Focal Length
100 mm
135 mm
Focus Type
Internal
Internal
Image Stabilization
Yes
No
Weather Resistance
Yes
Yes
Performance
Max Magnification
0.25x
0.25x
Min Focus Distance
570 mm / 22.44 in
700 mm / 27.56 in
Production
Accessory
Lens Hood: ALC-SH174 (supplied)
Lens hood included
Debut
2017-02-07
2019-02-26
Model Name
SEL100F28GM
SEL135F18GM
Reviews
Neofiliac score
88%
80%
Pros
- The smoothest bokeh
- Optically stabilized
- Weather-sealed
- Declickable aperture ring
- Superb autofocus
- Exceptional sharpness across the frame
- Great flare resistance
- Weather-sealed
- Declickable aperture ring
- Great build quality
- Very fast autofocus
Cons
- Low light transmission
- STF appeals only to bokeh addicts
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