Compare Sony 400mm F2.8 GM vs Sony 100mm F2.8 STF GM vs Sony 85mm F1.4 GM
Construction
Aperture Blades
11 blades
11 blades
11 blades
Colors
White
Black
Black
Form Factor
Super Telephoto Prime Lens
Short Telephoto Prime 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
Physical aperture ring
Lens Mount
Sony E-mount
Sony E-mount
Sony E-mount
Material
Magnesium alloy
Motor
Linear Motor
Piezoelectric
Ring-type ultrasonic
Optical Formula | Elements
23 elements
14 elements
11 elements
Optical Formula | Groups
17 groups
10 groups
8 groups
Optical Formula | Special Glass
1 fluorite and 3 ED elements, Nano AR and fluorine coatings groups
ED and aspherical elements, Nano AR coating groups
Extreme Aspherical, Super ED, ED elements + Nano AR coating groups
Dimensions
Filter Diameter
40.5 mm / 1.59 in
72 mm / 2.83 in
77 mm / 3.03 in
Size | Diameter
158 mm / 6.22 in
85 mm / 3.35 in
90 mm / 3.54 in
Size | Length
359 mm / 14.13 in
118 mm / 4.65 in
108 mm / 4.25 in
Weight
2895 g / 102.30 oz
700 g / 24.73 oz
820 g / 28.98 oz
Function
Angle Of View
6.2° Diagonal | 5.2° Horizontal | 3.4° Vertical
24.4° Diagonal | 20.4° Horizontal | 13.7° Vertical
28.6° Diagonal | 23.9° Horizontal | 16.1° Vertical
Aperture
f/2.8
f/2.8 ~ f/20
f/1.4 ~ f/16
Autofocus
Yes
Yes
Yes
Focal Length
400 mm
100 mm
85 mm
Focus Type
Internal
Internal
Internal
Image Stabilization
Yes
Yes
No
Weather Resistance
Yes
Yes
Yes
Performance
Max Magnification
0.16x
0.25x
0.12x
Min Focus Distance
2700 mm / 106.30 in
570 mm / 22.44 in
800 mm / 31.50 in
Production
Accessory
Lens Hood: ALC-SH155 (supplied)
Lens Hood: ALC-SH174 (supplied)
Lens Hood: ALC-SH142 (supplied)
Debut
2018-06-27
2017-02-07
2016-02-03
Model Name
SEL400F28GM
SEL100F28GM
SEL85F14GM
Reviews
Neofiliac score
62%
88%
88%
Pros
- Exceptionally faster autofocus
- Lighter than the competition
- Optically stabilized
- Weather-sealed
- Comes with a tripod collar
- Compatible with teleconverters
- The smoothest bokeh
- Optically stabilized
- Weather-sealed
- Declickable aperture ring
- Superb autofocus
- Bright maximum aperture
- Weather-sealed
- Declickable aperture ring
- Smooth bokeh
- Rather sharp
Cons
- Very expensive
- Low light transmission
- STF appeals only to bokeh addicts
- On the heavy side
- Slow autofocus
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