Compare Sigma 100-400mm F5-6.3 DG OS HSM vs Sigma 17-70mm F2.8-4 DC Macro vs Pentax-DA* 16-50mm F2.8
Construction
Aperture Blades
9 blades
7 blades, rounded
9 blades
Colors
Black
Black
Form Factor
Super Telephoto Zoom Lens
Standard Zoom Lens
Standard Zoom Lens
Image Size
Full-Frame
APS-C
APS-C
Lens Barrel
Distance scale
Lens Mount
Canon EF-mount, Nikon F-mount, Sigma SA-mount
Canon EF-mount, Nikon F-mount, Pentax K-mount, Sigma SA-mount, Sony A-mount
Pentax K-mount
Material
Plastic barrel, metal mount
Magnesium alloy
Motor
Ring-type ultrasonic
Micro-type ultrasonic
Stepper motor
Optical Formula | Elements
21 elements
16 elements
16 elements
Optical Formula | Groups
15 groups
14 groups
10 groups
Optical Formula | Special Glass
Four SLD elements groups
2 FLD ("F" Low Dispersion) glass elements, 1 SLD (Special Low Dispersion) glass element, 3 aspherical glass lenses including double sided aspherical lens groups
ED + anomalous glass + aspherical elements, HD coating groups
Dimensions
Filter Diameter
67 mm / 2.64 in
72 mm / 2.83 in
77 mm / 3.03 in
Size | Diameter
86 mm / 3.39 in
79 mm / 3.11 in
84 mm / 3.31 in
Size | Length
182 mm / 7.17 in
82 mm / 3.23 in
117 mm / 4.61 in
Weight
1160 g / 40.99 oz
465 g / 16.43 oz
712 g / 25.16 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)
80.7° Diagonal | 70.4° Horizontal | 50.4° Vertical (wide) ~ 23.3° Diagonal | 19.5° Horizontal | 13.0° Vertical (tele)
84.1° Diagonal | 73.7° Horizontal | 53.1° Vertical (wide) ~ 32.2° Diagonal | 27.0° Horizontal | 18.2° Vertical (tele)
Aperture
f/5–6.3 ~ f/22
f/2.8–4 ~ f/22
f/2.8 ~ f/22
Autofocus
Yes
Yes
Yes
Crop Factor
1.5
1.5
Focal Length
100 mm ~ 400 mm
17 mm ~ 70 mm
16 mm ~ 50 mm
Focal Length (35mm Equivalent)
25.5 mm ~ 105.0 mm
24.0 mm ~ 75.0 mm
Focus Type
Internal
Internal
Internal
Image Stabilization
Yes
Yes
No
Weather Resistance
Yes
Yes
Zoom Type
External zoom
External zoom
External zoom
Performance
Max Magnification
0.26x
0.36x
0.24x
Min Focus Distance
160 mm / 6.30 in
220 mm / 8.66 in
300 mm / 11.81 in
Production
Accessory
Lens Hood: LH770-04 (supplied)
Lens Hood: LH780-03 (supplied)
Lens Hood: PH-RBN77 (sold separately)
Debut
2017-02-21
2012-09-17
2021-07-14
Made In
Japan
Japan
Reviews
Neofiliac score
65%
65%
40%
Pros
- Excellent image quality
- Optically stabilized
- Weather-sealed
- Zoom lock prevents zoom creep
- Optically stabilized
- Rather good resolution
- Weather-sealed
- Solid build quality
Cons
- Dark maximum aperture
- Not the best flare resistance
- External zoom without zoom lock
- Merely 0.36x maximum magnification despite named "Macro"
- Exterior designed like a 1990's lens
- External zoom without zoom lock
- Lens hood not included
- Expensive for APS-C
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