Compare Pentax-DA 55-300mm F4.5-6.3 vs Pentax DA 16-85mm F3.5-5.6 vs Pentax-DA 11-18mm F2.8
Construction
Aperture Blades
9 blades, Rounded blades
7 blades, Rounded aperture
Colors
Black
Black
Form Factor
Super Telephoto Zoom Lens
Standard Zoom Lens
Ultra Wide-Angle Zoom Lens
Image Size
APS-C
APS-C
APS-C
Lens Barrel
Distance scale
Lens Mount
Pentax K-mount
Pentax K-mount
Pentax K-mount
Motor
Stepper motor
Optical Formula | Elements
14 elements
16 elements
Optical Formula | Groups
11 groups
12 groups
Optical Formula | Special Glass
ED elements + HD and SP coatings groups
HD, Super Protect coatings groups
Dimensions
Filter Diameter
58 mm / 2.28 in
72 mm / 2.83 in
Size | Diameter
77 mm / 3.03 in
78 mm / 3.07 in
Size | Length
89 mm / 3.50 in
94 mm / 3.70 in
Weight
471 g / 16.64 oz
488 g / 17.24 oz
Function
Angle Of View
29.4° Diagonal | 24.6° Horizontal | 16.6° Vertical (wide) ~ 5.5° Diagonal | 4.6° Horizontal | 3.1° Vertical (tele)
84.1° Diagonal | 73.7° Horizontal | 53.1° Vertical (wide) ~ 19.3° Diagonal | 16.1° Horizontal | 10.8° Vertical (tele)
105.4° Diagonal | 95.0° Horizontal | 72.1° Vertical (wide) ~ 77.4° Diagonal | 67.4° Horizontal | 47.9° Vertical (tele)
Aperture
f/4.5–6.3 ~ f/22–32
f/3.5–5.6 ~ f/22–38
f/2.8
Autofocus
Yes
Yes
Yes
Crop Factor
1.5
1.5
1.5
Focal Length
55 mm ~ 300 mm
16 mm ~ 85 mm
11 mm ~ 18 mm
Focal Length (35mm Equivalent)
82.5 mm ~ 450.0 mm
24.0 mm ~ 127.5 mm
16.5 mm ~ 27.0 mm
Focus Type
Extending front
Extending front
Image Stabilization
No
No
No
Weather Resistance
Yes
Yes
Zoom Type
External zoom
External zoom
External zoom
Performance
Max Magnification
0.3x
0.26x
Min Focus Distance
950 mm / 37.40 in
350 mm / 13.78 in
Production
Accessory
Lens Hood: PH-RBK58 (supplied)
Lens Hood: PR-RBA72 (supplied)
Lens hood included
Debut
2016-06-08
2014-10-29
2017-10-26
Reviews
Neofiliac score
50%
50%
40%
Pros
- Weather-sealed
- Very affordable for the reach it provides
- Weather-sealed
- Good build quality
- Good center resolution
Cons
- Dark maximum aperture
- External zoom without zoom lock
- Not the best image quality
- Not the best build from Pentax
- External zoom without zoom lock
- Lacks front filter thread
- Expensive for an APS-C wide-angle zoom
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