Compare Sigma 12-24mm F4 DG HSM vs Pentax-D FA* 70-200mm F2.8 vs PENTAX-D FA 15-30mm F2.8
Construction
Aperture Blades
9 blades
9 blades, Rounded (f/2.8-5.6)
9 blades
Colors
Black
Black or Silver
Black
Form Factor
Ultra Wide-Angle Zoom Lens
Telephoto Zoom Lens
Ultra Wide-Angle Zoom Lens
Image Size
Full-Frame
Full-Frame
Full-Frame
Lens Barrel
Distance scale
Focus limiter, Tripod collar, Distance scale
Distance scale
Lens Mount
Canon EF-mount, Nikon F-mount, Sigma SA-mount
Pentax K-mount
Pentax K-mount
Motor
Ring-type ultrasonic
Ultrasonic
Optical Formula | Elements
16 elements
19 elements
18 elements
Optical Formula | Groups
11 groups
16 groups
13 groups
Optical Formula | Special Glass
FLD + aspheric elements, Super Multi-Layer coating groups
HD, AB, Super Protect coatings groups
Three ED and aspherical elements + HD and SP coatings groups
Dimensions
Filter Diameter
77 mm / 3.03 in
Size | Diameter
101 mm / 3.98 in
92 mm / 3.62 in
99 mm / 3.90 in
Size | Length
132 mm / 5.20 in
203 mm / 7.99 in
144 mm / 5.67 in
Weight
1150 g / 40.64 oz
1755 g / 62.01 oz
1040 g / 36.75 oz
Function
Angle Of View
122.0° Diagonal | 112.6° Horizontal | 90.0° Vertical (wide) ~ 84.1° Diagonal | 73.7° Horizontal | 53.1° Vertical (tele)
34.4° Diagonal | 28.8° Horizontal | 19.5° Vertical (wide) ~ 12.4° Diagonal | 10.3° Horizontal | 6.9° Vertical (tele)
110.6° Diagonal | 100.4° Horizontal | 77.3° Vertical (wide) ~ 71.6° Diagonal | 61.9° Horizontal | 43.6° Vertical (tele)
Aperture
f/4 ~ f/22
f/2.8 ~ f/22
f/2.8 ~ f/22
Autofocus
Yes
Yes
Yes
Focal Length
12 mm ~ 24 mm
70 mm ~ 200 mm
15 mm ~ 30 mm
Focus Type
Internal
Internal
Internal
Image Stabilization
No
No
No
Weather Resistance
Yes
Yes
Yes
Zoom Type
External zoom
External zoom (zoom lock available)
Performance
Max Magnification
0.2x
0.13x
0.2x
Min Focus Distance
240 mm / 9.45 in
1200 mm / 47.24 in
280 mm / 11.02 in
Production
Accessory
Lens hood included
Lens Hood: PH-RBM77 (supplied)
Lens hood included
Debut
2016-09-19
2015-02-04
2016-02-17
Made In
Japan
Reviews
Neofiliac score
38%
40%
31%
Pros
- Weather-sealed
- Quite good level of resolution
- Superb image quality
- Zoom lock prevents zoom creep
- Weather-sealed
- Comes with a tripod collar
- Very nice construction
- Well priced
- Constant f/2.8 aperture
- Great optical performance
- Weather-sealed
- Beautifully constructed
Cons
- Dark maximum aperture
- Very large and heavy
- Lacks front filter thread
- Large and heavy
- Rather long
- On the heavy side
- Lacks front filter thread
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