Compare Sigma 500mm F4 DG OS HSM vs Sony 135mm F1.8 GM vs Sony 400mm F2.8 GM
Construction
Aperture Blades
9 blades, Rounded blades
11 blades
11 blades
Colors
Black
Black
White
Form Factor
Super Telephoto Prime Lens
Medium Telephoto Prime Lens
Super Telephoto Prime Lens
Image Size
Full-Frame
Full-Frame
Full-Frame
Lens Barrel
Focus limiter, Tripod collar, Distance scale
Physical aperture ring, Focus limiter
Focus limiter, Tripod collar, Distance scale
Lens Mount
Canon EF-mount, Nikon F-mount, Sigma SA-mount
Sony E-mount
Sony E-mount
Material
Magnesium alloy
Magnesium alloy
Motor
Ring-type ultrasonic
Linear Motor
Linear Motor
Optical Formula | Elements
16 elements
13 elements
23 elements
Optical Formula | Groups
11 groups
10 groups
17 groups
Optical Formula | Special Glass
XD, Super ED and ED elements; Nano AR and fluorine coatings groups
1 fluorite and 3 ED elements, Nano AR and fluorine coatings groups
Dimensions
Filter Diameter
46 mm (rear filter holder)
82 mm / 3.23 in
40.5 mm / 1.59 in
Size | Diameter
144.8 mm / 5.7 in
90 mm / 3.54 in
158 mm / 6.22 in
Size | Length
380.3 mm / 15 in
127 mm / 5.00 in
359 mm / 14.13 in
Weight
3310 g
950 g / 33.57 oz
2895 g / 102.30 oz
Function
Angle Of View
5.0° Diagonal | 4.1° Horizontal | 2.7° Vertical
18.2° Diagonal | 15.2° Horizontal | 10.2° Vertical
6.2° Diagonal | 5.2° Horizontal | 3.4° Vertical
Aperture
f/4 ~ f/32
f/1.8 ~ f/22
f/2.8
Autofocus
Yes
Yes
Yes
Focal Length
500 mm
135 mm
400 mm
Focus Type
Internal
Internal
Image Stabilization
Yes
No
Yes
Weather Resistance
Yes
Yes
Yes
Performance
Max Magnification
0.15x
0.25x
0.16x
Min Focus Distance
3500 mm / 137.8 in
700 mm / 27.56 in
2700 mm / 106.30 in
Production
Accessory
Lens hood included
Lens hood included
Lens Hood: ALC-SH155 (supplied)
Debut
2016-09-19
2019-02-26
2018-06-27
Made In
Japan
Model Name
SEL135F18GM
SEL400F28GM
Reviews
Neofiliac score
74%
80%
62%
Pros
- Excellent autofocus
- Superb sharpness
- Optically stabilized
- Weather-sealed
- Comes with a tripod collar
- Exceptional sharpness across the frame
- Great flare resistance
- Weather-sealed
- Declickable aperture ring
- Great build quality
- Very fast autofocus
- Exceptionally faster autofocus
- Lighter than the competition
- Optically stabilized
- Weather-sealed
- Comes with a tripod collar
- Compatible with teleconverters
Cons
- External zoom without zoom lock
- Very expensive
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