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