Compare Sigma 18-200mm F3.5-6.3 DC Macro OS HSM vs Pentax-DA 11-18mm F2.8
Construction
Aperture Blades
7 blades, Rounded diaphragm
Form Factor
All-in-One Zoom Lens
Ultra Wide-Angle Zoom Lens
Image Size
APS-C
APS-C
Lens Barrel
Distance scale
Distance scale
Lens Mount
Canon EF-mount, Nikon F-mount, Pentax K-mount, Sigma SA-mount, Sony A-mount
Pentax K-mount
Motor
Ultrasonic
Optical Formula | Elements
16 elements
Optical Formula | Groups
13 groups
Optical Formula | Special Glass
SLD glass elements, Double-sided aspheric lenses groups
Dimensions
Filter Diameter
62 mm / 2.44 in
Size | Diameter
71 mm / 2.80 in
Size | Length
86 mm / 3.39 in
Weight
430 g / 15.19 oz
Function
Angle Of View
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/3.5–6.3 ~ f/22
f/2.8
Autofocus
Yes
Yes
Crop Factor
1.5
1.5
Focal Length
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
Image Stabilization
Yes
No
Zoom Type
External zoom (zoom lock available)
External zoom
Performance
Max Magnification
0.33x
Min Focus Distance
390 mm / 15.35 in
Production
Accessory
Lens hood included
Debut
2014-01-06
2017-10-26
Made In
Japan
Reviews
Neofiliac score
55%
40%
Pros
- Optically stabilized
- Zoom lock prevents zoom creep
- Superb build quality
- Very useful focal range
- Good build quality
- Good center resolution
Cons
- 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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