Compare Sigma 17-70mm F2.8-4 DC Macro vs Sigma 14-24mm F2.8 DG HSM vs PENTAX-D FA 15-30mm F2.8
Construction
Aperture Blades
7 blades, rounded
9 blades
9 blades
Colors
Black
Black
Form Factor
Standard Zoom Lens
Ultra Wide-Angle Zoom Lens
Ultra Wide-Angle Zoom Lens
Image Size
APS-C
Full-Frame
Full-Frame
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, Sigma SA-mount
Pentax K-mount
Material
Plastic barrel, metal mount
Magnesium alloy
Motor
Micro-type ultrasonic
Ring-type ultrasonic
Ultrasonic
Optical Formula | Elements
16 elements
17 elements
18 elements
Optical Formula | Groups
14 groups
11 groups
13 groups
Optical Formula | Special Glass
2 FLD ("F" Low Dispersion) glass elements, 1 SLD (Special Low Dispersion) glass element, 3 aspherical glass lenses including double sided aspherical lens groups
1 aspherical + 3 SLD + 3 FLD elements groups
Three ED and aspherical elements + HD and SP coatings groups
Dimensions
Filter Diameter
72 mm / 2.83 in
Size | Diameter
79 mm / 3.11 in
96 mm / 3.78 in
99 mm / 3.90 in
Size | Length
82 mm / 3.23 in
135 mm / 5.31 in
144 mm / 5.67 in
Weight
465 g / 16.43 oz
1150 g / 40.64 oz
1040 g / 36.75 oz
Function
Angle Of View
80.7° Diagonal | 70.4° Horizontal | 50.4° Vertical (wide) ~ 23.3° Diagonal | 19.5° Horizontal | 13.0° Vertical (tele)
114.2° Diagonal | 104.3° Horizontal | 81.2° Vertical (wide) ~ 84.1° Diagonal | 73.7° Horizontal | 53.1° Vertical (tele)
110.6° Diagonal | 100.4° Horizontal | 77.3° Vertical (wide) ~ 71.6° Diagonal | 61.9° Horizontal | 43.6° Vertical (tele)
Aperture
f/2.8–4 ~ f/22
f/2.8 ~ f/22
f/2.8 ~ f/22
Autofocus
Yes
Yes
Yes
Crop Factor
1.5
Focal Length
17 mm ~ 70 mm
14 mm ~ 24 mm
15 mm ~ 30 mm
Focal Length (35mm Equivalent)
25.5 mm ~ 105.0 mm
Focus Type
Internal
Internal
Internal
Image Stabilization
Yes
No
No
Weather Resistance
Yes
Yes
Zoom Type
External zoom
External zoom
Performance
Max Magnification
0.36x
0.18x
0.2x
Min Focus Distance
220 mm / 8.66 in
240 mm / 9.45 in
280 mm / 11.02 in
Production
Accessory
Lens Hood: LH780-03 (supplied)
Lens hood included
Lens hood included
Debut
2012-09-17
2018-02-09
2016-02-17
Made In
Japan
Japan
Reviews
Neofiliac score
65%
46%
31%
Pros
- Optically stabilized
- Rather good resolution
- Weather-sealed
- Excellent sharpness
- Constant f/2.8 aperture
- Great optical performance
- Weather-sealed
- Beautifully constructed
Cons
- External zoom without zoom lock
- Merely 0.36x maximum magnification despite named "Macro"
- Large and heavy
- Lacks front filter thread
- Not as good as the DG DN version
- Rather long
- On the heavy side
- Lacks front filter thread
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