Compare Sony 100mm F2.8 STF GM vs Sony 24-70mm F2.8 GM
Construction
Aperture Blades
11 blades
9 blades
Colors
Black
Black
Form Factor
Short Telephoto Prime Lens
Standard Zoom Lens
Image Size
Full-Frame
Full-Frame
Lens Barrel
Physical aperture ring, Focus limiter
Lens Mount
Sony E-mount
Sony E-mount
Motor
Piezoelectric
Piezoelectric
Optical Formula | Elements
14 elements
18 elements
Optical Formula | Groups
10 groups
13 groups
Optical Formula | Special Glass
ED and aspherical elements, Nano AR coating groups
One extreme aspherical, one super ED, one ED element + Nano AR coating groups
Dimensions
Filter Diameter
72 mm / 2.83 in
82 mm / 3.23 in
Size | Diameter
85 mm / 3.35 in
88 mm / 3.46 in
Size | Length
118 mm / 4.65 in
136 mm / 5.35 in
Weight
700 g / 24.73 oz
886 g / 31.31 oz
Function
Angle Of View
24.4° Diagonal | 20.4° Horizontal | 13.7° Vertical
84.1° Diagonal | 73.7° Horizontal | 53.1° Vertical (wide) ~ 34.4° Diagonal | 28.8° Horizontal | 19.5° Vertical (tele)
Aperture
f/2.8 ~ f/20
f/2.8 ~ f/22
Autofocus
Yes
Yes
Focal Length
100 mm
24 mm ~ 70 mm
Focus Type
Internal
Internal
Image Stabilization
Yes
No
Weather Resistance
Yes
Yes
Zoom Type
External zoom (zoom lock available)
Performance
Max Magnification
0.25x
0.24x
Min Focus Distance
570 mm / 22.44 in
380 mm / 14.96 in
Production
Accessory
Lens Hood: ALC-SH174 (supplied)
Lens Hood: ALC-SH141 (supplied)
Debut
2017-02-07
2016-02-03
Model Name
SEL100F28GM
SEL2470GM
Reviews
Neofiliac score
88%
52%
Pros
- The smoothest bokeh
- Optically stabilized
- Weather-sealed
- Declickable aperture ring
- Superb autofocus
- Zoom lock prevents zoom creep
- Weather-sealed
- Quite useful f/2.8 constant aperture
Cons
- Low light transmission
- STF appeals only to bokeh addicts
- Large and heavy
- Not very sharp
- Not stabilized
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