Compare Sony 400mm F2.8 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
White
Black
Black
Form Factor
Super Telephoto Prime Lens
Standard Zoom Lens
Short Telephoto Prime Lens
Image Size
Full-Frame
Full-Frame
Full-Frame
Lens Barrel
Focus limiter, Tripod collar, Distance scale
Physical aperture ring, Focus limiter
Lens Mount
Sony E-mount
Sony E-mount
Sony E-mount
Material
Magnesium alloy
Motor
Linear Motor
Piezoelectric
Piezoelectric
Optical Formula | Elements
23 elements
18 elements
14 elements
Optical Formula | Groups
17 groups
13 groups
10 groups
Optical Formula | Special Glass
1 fluorite and 3 ED elements, Nano AR and fluorine coatings 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
40.5 mm / 1.59 in
82 mm / 3.23 in
72 mm / 2.83 in
Size | Diameter
158 mm / 6.22 in
88 mm / 3.46 in
85 mm / 3.35 in
Size | Length
359 mm / 14.13 in
136 mm / 5.35 in
118 mm / 4.65 in
Weight
2895 g / 102.30 oz
886 g / 31.31 oz
700 g / 24.73 oz
Function
Angle Of View
6.2° Diagonal | 5.2° Horizontal | 3.4° 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/2.8
f/2.8 ~ f/22
f/2.8 ~ f/20
Autofocus
Yes
Yes
Yes
Focal Length
400 mm
24 mm ~ 70 mm
100 mm
Focus Type
Internal
Internal
Internal
Image Stabilization
Yes
No
Yes
Weather Resistance
Yes
Yes
Yes
Zoom Type
External zoom (zoom lock available)
Performance
Max Magnification
0.16x
0.24x
0.25x
Min Focus Distance
2700 mm / 106.30 in
380 mm / 14.96 in
570 mm / 22.44 in
Production
Accessory
Lens Hood: ALC-SH155 (supplied)
Lens Hood: ALC-SH141 (supplied)
Lens Hood: ALC-SH174 (supplied)
Debut
2018-06-27
2016-02-03
2017-02-07
Model Name
SEL400F28GM
SEL2470GM
SEL100F28GM
Reviews
Neofiliac score
62%
52%
88%
Pros
- Exceptionally faster autofocus
- Lighter than the competition
- Optically stabilized
- Weather-sealed
- Comes with a tripod collar
- Compatible with teleconverters
- 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
- Very expensive
- Large and heavy
- Not very sharp
- Not stabilized
- Low light transmission
- STF appeals only to bokeh addicts
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