Compare Sony 85mm F1.4 GM vs Sony 24-70mm F2.8 GM vs Sony 100mm F2.8 STF GM
Construction
Aperture Blades
11 blades
9 blades
11 blades
Colors
Black
Black
Black
Form Factor
Short Telephoto Prime Lens
Standard Zoom Lens
Short Telephoto Prime Lens
Image Size
Full-Frame
Full-Frame
Full-Frame
Lens Barrel
Physical aperture ring
Physical aperture ring, Focus limiter
Lens Mount
Sony E-mount
Sony E-mount
Sony E-mount
Motor
Ring-type ultrasonic
Piezoelectric
Piezoelectric
Optical Formula | Elements
11 elements
18 elements
14 elements
Optical Formula | Groups
8 groups
13 groups
10 groups
Optical Formula | Special Glass
Extreme Aspherical, Super ED, ED elements + Nano AR coating groups
One extreme aspherical, one super ED, one ED element + Nano AR coating groups
ED and aspherical elements, Nano AR coating groups
Dimensions
Filter Diameter
77 mm / 3.03 in
82 mm / 3.23 in
72 mm / 2.83 in
Size | Diameter
90 mm / 3.54 in
88 mm / 3.46 in
85 mm / 3.35 in
Size | Length
108 mm / 4.25 in
136 mm / 5.35 in
118 mm / 4.65 in
Weight
820 g / 28.98 oz
886 g / 31.31 oz
700 g / 24.73 oz
Function
Angle Of View
28.6° Diagonal | 23.9° Horizontal | 16.1° Vertical
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/1.4 ~ f/16
f/2.8 ~ f/22
f/2.8 ~ f/20
Autofocus
Yes
Yes
Yes
Focal Length
85 mm
24 mm ~ 70 mm
100 mm
Focus Type
Internal
Internal
Internal
Image Stabilization
No
No
Yes
Weather Resistance
Yes
Yes
Yes
Zoom Type
External zoom (zoom lock available)
Performance
Max Magnification
0.12x
0.24x
0.25x
Min Focus Distance
800 mm / 31.50 in
380 mm / 14.96 in
570 mm / 22.44 in
Production
Accessory
Lens Hood: ALC-SH142 (supplied)
Lens Hood: ALC-SH141 (supplied)
Lens Hood: ALC-SH174 (supplied)
Debut
2016-02-03
2016-02-03
2017-02-07
Model Name
SEL85F14GM
SEL2470GM
SEL100F28GM
Reviews
Neofiliac score
88%
52%
88%
Pros
- Bright maximum aperture
- Weather-sealed
- Declickable aperture ring
- Smooth bokeh
- Rather sharp
- 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
- On the heavy side
- Slow autofocus
- Large and heavy
- Not very sharp
- Not stabilized
- Low light transmission
- STF appeals only to bokeh addicts
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