Compare Sigma 18-300 F3.5-6.3 DC Macro vs Sigma 17-70mm F2.8-4 DC Macro vs Pentax-DA 11-18mm F2.8
Construction
Aperture Blades
7 blades, rounded
Colors
Black
Form Factor
All-in-One Zoom Lens
Standard 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
Material
Plastic barrel, metal mount
Motor
Ultrasonic
Micro-type ultrasonic
Optical Formula | Elements
16 elements
Optical Formula | Groups
14 groups
Optical Formula | Special Glass
4 "F" low dispersion, 1 special low dispersion 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
Dimensions
Filter Diameter
72 mm / 2.83 in
72 mm / 2.83 in
Size | Diameter
79 mm / 3.11 in
Size | Length
82 mm / 3.23 in
Weight
465 g / 16.43 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)
80.7° Diagonal | 70.4° Horizontal | 50.4° Vertical (wide) ~ 23.3° Diagonal | 19.5° Horizontal | 13.0° 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/2.8–4 ~ f/22
f/2.8
Autofocus
Yes
Yes
Yes
Crop Factor
1.5
1.5
1.5
Focal Length
18 mm ~ 300 mm
17 mm ~ 70 mm
11 mm ~ 18 mm
Focal Length (35mm Equivalent)
27.0 mm ~ 450.0 mm
25.5 mm ~ 105.0 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
External zoom
Performance
Max Magnification
3x
0.36x
Min Focus Distance
390 mm / 15.35 in
220 mm / 8.66 in
Production
Accessory
Lens hood included
Lens Hood: LH780-03 (supplied)
Lens hood included
Debut
2014-09-12
2012-09-17
2017-10-26
Made In
Japan
Japan
Reviews
Neofiliac score
55%
65%
40%
Pros
- Very versatile focal range
- Optically stabilized
- Zoom lock prevents zoom creep
- High maximum magnification
- Optically stabilized
- Rather good resolution
- Good build quality
- Good center resolution
Cons
- All-in-one lenses tend to offer lower IQ
- Lacks weather sealing
- External zoom without zoom lock
- Merely 0.36x maximum magnification despite named "Macro"
- Lacks front filter thread
- Expensive for an APS-C wide-angle zoom
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