Compare Sigma 14mm F1.8 DG HSM vs Sigma 17-70mm F2.8-4 DC Macro vs Pentax-DA 11-18mm F2.8
Construction
Aperture Blades
9 blades
7 blades, rounded
Colors
Black
Form Factor
Ultra Wide-Angle Prime Lens
Standard Zoom Lens
Ultra Wide-Angle Zoom Lens
Image Size
Full-Frame
APS-C
APS-C
Lens Barrel
Distance scale
Distance scale
Distance scale
Lens Mount
Canon EF-mount, Nikon F-mount, Sigma SA-mount, Sony E-mount, Leica L-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
Ring-type ultrasonic
Micro-type ultrasonic
Optical Formula | Elements
16 elements
16 elements
Optical Formula | Groups
11 groups
14 groups
Optical Formula | Special Glass
Three FLD and four SLD elements 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
Size | Diameter
95 mm / 3.74 in
79 mm / 3.11 in
Size | Length
126 mm / 4.96 in
82 mm / 3.23 in
Weight
1170 g / 41.34 oz
465 g / 16.43 oz
Function
Angle Of View
114.2° Diagonal | 104.3° Horizontal | 81.2° Vertical
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/1.8 ~ f/16
f/2.8–4 ~ f/22
f/2.8
Autofocus
Yes
Yes
Yes
Crop Factor
1.5
1.5
Focal Length
14 mm
17 mm ~ 70 mm
11 mm ~ 18 mm
Focal Length (35mm Equivalent)
25.5 mm ~ 105.0 mm
16.5 mm ~ 27.0 mm
Focus Type
Internal
Internal
Image Stabilization
No
Yes
No
Zoom Type
External zoom
External zoom
Performance
Max Magnification
0.1x
0.36x
Min Focus Distance
270 mm / 10.63 in
220 mm / 8.66 in
Production
Accessory
Lens hood included
Lens Hood: LH780-03 (supplied)
Lens hood included
Debut
2017-02-21
2012-09-17
2017-10-26
Made In
Japan
Japan
Reviews
Neofiliac score
55%
65%
40%
Pros
- Excellent image quality
- Very well built
- Optically stabilized
- Rather good resolution
- Good build quality
- Good center resolution
Cons
- Notable comatic aberration
- Very large and heavy
- Lacks front filter thread
- 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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