Compare Sigma 100-400mm F5-6.3 DG OS HSM vs Sigma 18-200mm F3.5-6.3 DC Macro OS HSM vs Pentax-DA 11-18mm F2.8
Construction
Aperture Blades
9 blades
7 blades, Rounded diaphragm
Colors
Black
Form Factor
Super Telephoto Zoom Lens
All-in-One Zoom Lens
Ultra Wide-Angle Zoom Lens
Image Size
Full-Frame
APS-C
APS-C
Lens Barrel
Distance scale
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
Motor
Ring-type ultrasonic
Ultrasonic
Optical Formula | Elements
21 elements
16 elements
Optical Formula | Groups
15 groups
13 groups
Optical Formula | Special Glass
Four SLD elements groups
SLD glass elements, Double-sided aspheric lenses groups
Dimensions
Filter Diameter
67 mm / 2.64 in
62 mm / 2.44 in
Size | Diameter
86 mm / 3.39 in
71 mm / 2.80 in
Size | Length
182 mm / 7.17 in
86 mm / 3.39 in
Weight
1160 g / 40.99 oz
430 g / 15.19 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) ~ 8.3° Diagonal | 6.9° Horizontal | 4.6° Vertical (tele)
105.4° Diagonal | 95.0° Horizontal | 72.1° Vertical (wide) ~ 77.4° Diagonal | 67.4° Horizontal | 47.9° Vertical (tele)
Aperture
f/5–6.3 ~ f/22
f/3.5–6.3 ~ f/22
f/2.8
Autofocus
Yes
Yes
Yes
Crop Factor
1.5
1.5
Focal Length
100 mm ~ 400 mm
18 mm ~ 200 mm
11 mm ~ 18 mm
Focal Length (35mm Equivalent)
27.0 mm ~ 300.0 mm
16.5 mm ~ 27.0 mm
Focus Type
Internal
Internal
Image Stabilization
Yes
Yes
No
Weather Resistance
Yes
Zoom Type
External zoom
External zoom (zoom lock available)
External zoom
Performance
Max Magnification
0.26x
0.33x
Min Focus Distance
160 mm / 6.30 in
390 mm / 15.35 in
Production
Accessory
Lens Hood: LH770-04 (supplied)
Lens hood included
Debut
2017-02-21
2014-01-06
2017-10-26
Made In
Japan
Japan
Reviews
Neofiliac score
65%
55%
40%
Pros
- Excellent image quality
- Optically stabilized
- Weather-sealed
- Zoom lock prevents zoom creep
- Optically stabilized
- Zoom lock prevents zoom creep
- Superb build quality
- Very useful focal range
- Good build quality
- Good center resolution
Cons
- Dark maximum aperture
- Not the best flare resistance
- All-in-one lenses tend to offer lower IQ
- Lacks front filter thread
- Expensive for an APS-C wide-angle zoom
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