Compare Sigma 18-300 F3.5-6.3 DC Macro vs 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
Colors
Black
Form Factor
All-in-One Zoom Lens
All-in-One Zoom Lens
Ultra Wide-Angle Zoom Lens
Image Size
APS-C
APS-C
APS-C
Lens Barrel
Distance scale
Distance scale
Distance scale
Lens Mount
Canon EF-mount, Nikon F-mount, Pentax K-mount, Sigma SA-mount, Sony A-mount
Canon EF-mount, Nikon F-mount, Pentax K-mount, Sigma SA-mount, Sony A-mount
Pentax K-mount
Motor
Ultrasonic
Ultrasonic
Optical Formula | Elements
16 elements
Optical Formula | Groups
13 groups
Optical Formula | Special Glass
4 "F" low dispersion, 1 special low dispersion groups
SLD glass elements, Double-sided aspheric lenses groups
Dimensions
Filter Diameter
72 mm / 2.83 in
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) ~ 5.5° Diagonal | 4.6° Horizontal | 3.1° 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/3.5–6.3 ~ f/22
f/3.5–6.3 ~ f/22
f/2.8
Autofocus
Yes
Yes
Yes
Crop Factor
1.5
1.5
1.5
Focal Length
18 mm ~ 300 mm
18 mm ~ 200 mm
11 mm ~ 18 mm
Focal Length (35mm Equivalent)
27.0 mm ~ 450.0 mm
27.0 mm ~ 300.0 mm
16.5 mm ~ 27.0 mm
Focus Type
Extending front
Internal
Image Stabilization
Yes
Yes
No
Weather Resistance
No
Zoom Type
External zoom (zoom lock available)
External zoom (zoom lock available)
External zoom
Performance
Max Magnification
3x
0.33x
Min Focus Distance
390 mm / 15.35 in
390 mm / 15.35 in
Production
Accessory
Lens hood included
Lens hood included
Debut
2014-09-12
2014-01-06
2017-10-26
Made In
Japan
Japan
Reviews
Neofiliac score
55%
55%
40%
Pros
- Very versatile focal range
- Optically stabilized
- Zoom lock prevents zoom creep
- High maximum magnification
- 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 weather sealing
- 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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