Compare Sony 100-400mm F4.5-5.6 GM vs Sony 70-350mm F4.5-6.3 G vs Tamron 17–70mm F2.8
Construction
Aperture Blades
9 blades
7 blades
9 blades, Circular diaphragm
Colors
White
Black
Form Factor
Super Telephoto Zoom Lens
Super Telephoto Zoom Lens
Standard Zoom Lens
Image Size
Full-Frame
APS-C
APS-C
Lens Barrel
Focus limiter, Tripod collar
Lens Mount
Sony E-mount
Sony E-mount
Fujifilm X-mount, Sony E-mount
Material
Magnesium alloy
Motor
Linear Motor
Linear Motor
Stepper motor
Optical Formula | Elements
22 elements
19 elements
16 elements
Optical Formula | Groups
16 groups
13 groups
12 groups
Optical Formula | Special Glass
Two ED, one super ED element. Fluorine-coated front element. groups
One aspherical and three ED (extra low dispersion) elements. groups
Two GM (Glass Molded Aspherical) elements and one hybrid aspherical lens element. groups
Dimensions
Filter Diameter
77 mm / 3.03 in
67 mm / 2.64 in
67 mm / 2.64 in
Size | Diameter
94 mm / 3.70 in
77 mm / 3.03 in
75 mm / 2.95 in
Size | Length
205 mm / 8.07 in
142 mm / 5.59 in
120 mm / 4.72 in
Weight
1395 g / 49.29 oz
625 g / 22.08 oz
530 g / 18.73 oz
Function
Angle Of View
24.4° Diagonal | 20.4° Horizontal | 13.7° Vertical (wide) ~ 6.2° Diagonal | 5.2° Horizontal | 3.4° Vertical (tele)
23.3° Diagonal | 19.5° Horizontal | 13.0° Vertical (wide) ~ 4.7° Diagonal | 3.9° Horizontal | 2.6° Vertical (tele)
80.7° Diagonal | 70.4° Horizontal | 50.4° Vertical (wide) ~ 23.3° Diagonal | 19.5° Horizontal | 13.0° Vertical (tele)
Aperture
f/4.5–5.6 ~ f/32–40
f/4.5–6.3 ~ f/22–32
f/2.8
Autofocus
Yes
Yes
Yes
Crop Factor
1.5
1.5
Focal Length
100 mm ~ 400 mm
70 mm ~ 350 mm
17 mm ~ 70 mm
Focal Length (35mm Equivalent)
105.0 mm ~ 525.0 mm
25.5 mm ~ 105.0 mm
Focus Type
Internal
Extending front
Internal
Image Stabilization
Yes
Yes
Yes
Weather Resistance
Yes
Yes
Yes
Zoom Type
External zoom (zoom lock available)
External zoom (zoom lock available)
External zoom
Performance
Max Magnification
0.35x
0.23x
Min Focus Distance
980 mm / 38.58 in
1100 mm / 43.31 in
200 mm / 7.87 in
Production
Accessory
Lens Hood: ALC-SH151 (supplied)
Lens Hood: ALC-SH160 (supplied)
Lens hood included
Debut
2017-04-19
2019-08-28
2022-06-16
Model Name
SEL100400GM
SEL70350G
Reviews
Neofiliac score
52%
62%
59%
Pros
- Superb sharpness
- Optically stabilized
- Zoom lock prevents zoom creep
- Weather-sealed
- Comes with a tripod collar
- Optically stabilized
- Zoom lock prevents zoom creep
- Weather-sealed
- Great reach for an affordable price
- Optically stabilized
- Weather-sealed
- Decent build quality
Cons
- Dark and variable maximum aperture
- Large and heavy
- Dark maximum aperture
- Not the most solid zoom mechanism
- Not the highest grade of image quality
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