Compare Sigma 100-400mm F5-6.3 DG OS HSM vs Sigma 18-35mm F1.8 DC HSM vs Pentax-D FA 70-210mm F4
Construction
Aperture Blades
9 blades
9 blades, Rounded diaphragm
9 blades
Colors
Black
Black
Form Factor
Super Telephoto Zoom Lens
Zoom Lens
Super Telephoto Zoom Lens
Image Size
Full-Frame
APS-C
APS-C
Lens Barrel
Distance scale
Focus limiter, 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
Magnesium alloy
Motor
Ring-type ultrasonic
Ring-type ultrasonic
Ring-type ultrasonic
Optical Formula | Elements
21 elements
17 elements
20 elements
Optical Formula | Groups
15 groups
12 groups
14 groups
Optical Formula | Special Glass
Four SLD elements groups
5 SLD glass elements, 4 glassmold aspherical elements groups
2 anomalous dispersion and 3 ED elements + HD coating groups
Dimensions
Filter Diameter
67 mm / 2.64 in
72 mm / 2.83 in
67 mm / 2.64 in
Size | Diameter
86 mm / 3.39 in
78 mm / 3.07 in
79 mm / 3.11 in
Size | Length
182 mm / 7.17 in
121 mm / 4.76 in
175 mm / 6.89 in
Weight
1160 g / 40.99 oz
810 g / 28.62 oz
819 g / 28.94 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)
77.4° Diagonal | 67.4° Horizontal | 47.9° Vertical (wide) ~ 44.8° Diagonal | 37.8° Horizontal | 25.8° Vertical (tele)
23.3° Diagonal | 19.5° Horizontal | 13.0° Vertical (wide) ~ 7.9° Diagonal | 6.5° Horizontal | 4.4° Vertical (tele)
Aperture
f/5–6.3 ~ f/22
f/1.8 ~ f/16
f/4 ~ f/32
Autofocus
Yes
Yes
Yes
Crop Factor
1.5
1.5
Focal Length
100 mm ~ 400 mm
18 mm ~ 35 mm
70 mm ~ 210 mm
Focal Length (35mm Equivalent)
27.0 mm ~ 52.5 mm
105.0 mm ~ 315.0 mm
Focus Type
Internal
Internal
Internal
Image Stabilization
Yes
No
No
Weather Resistance
Yes
Yes
Zoom Type
External zoom
Internal zoom
Internal zoom
Performance
Max Magnification
0.26x
0.23x
0.32x
Min Focus Distance
160 mm / 6.30 in
280 mm / 11.02 in
950 mm / 37.40 in
Production
Accessory
Lens Hood: LH770-04 (supplied)
Lens Hood: LH780-03 (supplied)
Lens hood included
Debut
2017-02-21
2013-04-18
2020-01-22
Made In
Japan
Japan
Reviews
Neofiliac score
65%
65%
31%
Pros
- Excellent image quality
- Optically stabilized
- Weather-sealed
- Zoom lock prevents zoom creep
- Internal zoom
- High levels of resolution
- Weather-sealed
- Beautifully built
- Very useful focal range
Cons
- Dark maximum aperture
- Not the best flare resistance
- Rather large and heavy for an APS-C lens
- Dark maximum aperture
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