Compare Sigma 70-200 F2.8 DG OS HSM vs Sigma 18-300 F3.5-6.3 DC Macro vs Pentax-D FA 70-210mm F4
Construction
Aperture Blades
11 blades
9 blades
Colors
Black
Black
Form Factor
Telephoto Zoom Lens
All-in-One Zoom Lens
Super Telephoto Zoom Lens
Image Size
Full-Frame
APS-C
APS-C
Lens Barrel
Focus limiter, Tripod collar, Distance scale
Distance scale
Focus limiter, Distance scale
Lens Mount
Canon EF-mount, Nikon F-mount, Sigma SA-mount
Canon EF-mount, Nikon F-mount, Pentax K-mount, Sigma SA-mount, Sony A-mount
Pentax K-mount
Material
Magnesium alloy
Motor
Ring-type ultrasonic
Ultrasonic
Ring-type ultrasonic
Optical Formula | Elements
24 elements
20 elements
Optical Formula | Groups
22 groups
14 groups
Optical Formula | Special Glass
one SLD + nine FLD elements groups
4 "F" low dispersion, 1 special low dispersion groups
2 anomalous dispersion and 3 ED elements + HD coating groups
Dimensions
Filter Diameter
82 mm / 3.23 in
72 mm / 2.83 in
67 mm / 2.64 in
Size | Diameter
94 mm / 3.70 in
79 mm / 3.11 in
Size | Length
203 mm / 7.99 in
175 mm / 6.89 in
Weight
1805 g / 63.78 oz
819 g / 28.94 oz
Function
Angle Of View
34.4° Diagonal | 28.8° Horizontal | 19.5° Vertical (wide) ~ 12.4° Diagonal | 10.3° Horizontal | 6.9° Vertical (tele)
77.4° Diagonal | 67.4° Horizontal | 47.9° Vertical (wide) ~ 5.5° Diagonal | 4.6° Horizontal | 3.1° Vertical (tele)
23.3° Diagonal | 19.5° Horizontal | 13.0° Vertical (wide) ~ 7.9° Diagonal | 6.5° Horizontal | 4.4° Vertical (tele)
Aperture
f/2.8 ~ f/22
f/3.5–6.3 ~ f/22
f/4 ~ f/32
Autofocus
Yes
Yes
Yes
Crop Factor
1.5
1.5
Focal Length
70 mm ~ 200 mm
18 mm ~ 300 mm
70 mm ~ 210 mm
Focal Length (35mm Equivalent)
27.0 mm ~ 450.0 mm
105.0 mm ~ 315.0 mm
Focus Type
Internal
Extending front
Internal
Image Stabilization
Yes
Yes
No
Weather Resistance
Yes
No
Yes
Zoom Type
Internal zoom
External zoom (zoom lock available)
Internal zoom
Performance
Max Magnification
0.21x
3x
0.32x
Min Focus Distance
1200 mm / 47.24 in
390 mm / 15.35 in
950 mm / 37.40 in
Production
Accessory
Lens hood included
Lens hood included
Lens hood included
Debut
2018-09-25
2014-09-12
2020-01-22
Made In
Japan
Japan
Reviews
Neofiliac score
74%
55%
31%
Pros
- Superb autofocus speed
- Great sharpness
- Optically stabilized
- Internal zoom
- Weather-sealed
- Comes with a tripod collar
- Very versatile focal range
- Optically stabilized
- Zoom lock prevents zoom creep
- High maximum magnification
- Weather-sealed
- Beautifully built
- Very useful focal range
Cons
- Released late in the DSLR game
- All-in-one lenses tend to offer lower IQ
- Lacks weather sealing
- Dark maximum aperture
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