Compare Pentax DA 16-85mm F3.5-5.6 vs Pentax-DA 10-17mm F3.5-4.5 vs Pentax-DA 11-18mm F2.8
Construction
Aperture Blades
7 blades, Rounded aperture
6 blades
Colors
Black
Black
Form Factor
Standard Zoom Lens
Ultra Wide-Angle Zoom Lens
Ultra Wide-Angle Zoom Lens
Image Size
APS-C
APS-C
APS-C
Lens Barrel
Distance scale
Distance scale
Lens Mount
Pentax K-mount
Pentax K-mount
Pentax K-mount
Motor
Screw drive from camera
Optical Formula | Elements
16 elements
10 elements
Optical Formula | Groups
12 groups
8 groups
Optical Formula | Special Glass
HD, Super Protect coatings groups
ED element, HD + Super Protective coatings groups
Dimensions
Filter Diameter
72 mm / 2.83 in
Size | Diameter
78 mm / 3.07 in
68 mm / 2.68 in
Size | Length
94 mm / 3.70 in
70 mm / 2.76 in
Weight
488 g / 17.24 oz
317 g / 11.20 oz
Function
Angle Of View
84.1° Diagonal | 73.7° Horizontal | 53.1° Vertical (wide) ~ 19.3° Diagonal | 16.1° Horizontal | 10.8° Vertical (tele)
180° Diagonal (wide) ~ 100° Diagonal
105.4° Diagonal | 95.0° Horizontal | 72.1° Vertical (wide) ~ 77.4° Diagonal | 67.4° Horizontal | 47.9° Vertical (tele)
Aperture
f/3.5–5.6 ~ f/22–38
f/3.5–4.5 ~ f/22–32
f/2.8
Autofocus
Yes
Yes
Yes
Crop Factor
1.5
1.5
1.5
Focal Length
16 mm ~ 85 mm
10 mm ~ 17 mm
11 mm ~ 18 mm
Focal Length (35mm Equivalent)
24.0 mm ~ 127.5 mm
15.0 mm ~ 25.5 mm
16.5 mm ~ 27.0 mm
Focus Type
Extending front
Internal
Image Stabilization
No
No
Weather Resistance
Yes
No
Zoom Type
External zoom
External zoom
External zoom
Performance
Max Magnification
0.26x
0.39x
Min Focus Distance
350 mm / 13.78 in
140 mm / 5.51 in
Production
Accessory
Lens Hood: PR-RBA72 (supplied)
Lens hood included
Lens hood included
Debut
2014-10-29
2019-07-08
2017-10-26
Reviews
Neofiliac score
50%
31%
40%
Pros
- Weather-sealed
- Ultra-wide fisheye offers unique creative possibilities
- Good build quality
- Good center resolution
Cons
- Not the best image quality
- Not the best build from Pentax
- External zoom without zoom lock
- Lacks front filter thread
- External zoom without zoom lock
- Lacks weather sealing
- Not the strongest optical performance
- Lacks front filter thread
- Expensive for an APS-C wide-angle zoom
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