Compare Pentax-DA 11-18mm F2.8 vs Pentax-D FA 70-210mm F4 vs Pentax-DA 55-300mm F4.5-6.3
Construction
Aperture Blades
9 blades
9 blades, Rounded blades
Colors
Black
Black
Form Factor
Ultra Wide-Angle Zoom Lens
Super Telephoto Zoom Lens
Super Telephoto Zoom Lens
Image Size
APS-C
APS-C
APS-C
Lens Barrel
Distance scale
Focus limiter, Distance scale
Lens Mount
Pentax K-mount
Pentax K-mount
Pentax K-mount
Material
Magnesium alloy
Motor
Ring-type ultrasonic
Stepper motor
Optical Formula | Elements
20 elements
14 elements
Optical Formula | Groups
14 groups
11 groups
Optical Formula | Special Glass
2 anomalous dispersion and 3 ED elements + HD coating groups
ED elements + HD and SP coatings groups
Dimensions
Filter Diameter
67 mm / 2.64 in
58 mm / 2.28 in
Size | Diameter
79 mm / 3.11 in
77 mm / 3.03 in
Size | Length
175 mm / 6.89 in
89 mm / 3.50 in
Weight
819 g / 28.94 oz
471 g / 16.64 oz
Function
Angle Of View
105.4° Diagonal | 95.0° Horizontal | 72.1° Vertical (wide) ~ 77.4° Diagonal | 67.4° Horizontal | 47.9° Vertical (tele)
23.3° Diagonal | 19.5° Horizontal | 13.0° Vertical (wide) ~ 7.9° Diagonal | 6.5° Horizontal | 4.4° Vertical (tele)
29.4° Diagonal | 24.6° Horizontal | 16.6° Vertical (wide) ~ 5.5° Diagonal | 4.6° Horizontal | 3.1° Vertical (tele)
Aperture
f/2.8
f/4 ~ f/32
f/4.5–6.3 ~ f/22–32
Autofocus
Yes
Yes
Yes
Crop Factor
1.5
1.5
1.5
Focal Length
11 mm ~ 18 mm
70 mm ~ 210 mm
55 mm ~ 300 mm
Focal Length (35mm Equivalent)
16.5 mm ~ 27.0 mm
105.0 mm ~ 315.0 mm
82.5 mm ~ 450.0 mm
Focus Type
Internal
Extending front
Image Stabilization
No
No
No
Weather Resistance
Yes
Yes
Zoom Type
External zoom
Internal zoom
External zoom
Performance
Max Magnification
0.32x
0.3x
Min Focus Distance
950 mm / 37.40 in
950 mm / 37.40 in
Production
Accessory
Lens hood included
Lens hood included
Lens Hood: PH-RBK58 (supplied)
Debut
2017-10-26
2020-01-22
2016-06-08
Reviews
Neofiliac score
40%
31%
50%
Pros
- Good build quality
- Good center resolution
- Weather-sealed
- Beautifully built
- Very useful focal range
- Weather-sealed
- Very affordable for the reach it provides
Cons
- Lacks front filter thread
- Expensive for an APS-C wide-angle zoom
- Dark maximum aperture
- Dark maximum aperture
- External zoom without zoom lock
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