Compare Pentax DA 15mm F4 vs Pentax-DA 10-17mm F3.5-4.5 vs Pentax DA 16-85mm F3.5-5.6
Construction
Aperture Blades
9 blades, Rounded aperture diaphragm
6 blades
7 blades, Rounded aperture
Colors
Black, Silver
Black
Black
Form Factor
Ultra Wide-Angle Prime Lens
Ultra Wide-Angle Zoom Lens
Standard Zoom Lens
Image Size
APS-C
APS-C
APS-C
Lens Barrel
Distance scale, DoF scale
Distance scale
Lens Mount
Pentax K-mount
Pentax K-mount
Pentax K-mount
Motor
Screw drive from camera
Screw drive from camera
Optical Formula | Elements
8 elements
10 elements
16 elements
Optical Formula | Groups
6 groups
8 groups
12 groups
Optical Formula | Special Glass
1 Hybrid aspherical element, 1 ED glass element, High-grade multi-layer HD (High Definition) Coating groups
ED element, HD + Super Protective coatings groups
HD, Super Protect coatings groups
Dimensions
Filter Diameter
49 mm / 1.93 in
72 mm / 2.83 in
Size | Diameter
63 mm / 2.48 in
68 mm / 2.68 in
78 mm / 3.07 in
Size | Length
40 mm / 1.57 in
70 mm / 2.76 in
94 mm / 3.70 in
Weight
189 g / 6.68 oz
317 g / 11.20 oz
488 g / 17.24 oz
Function
Angle Of View
87.8° Diagonal | 77.3° Horizontal | 56.1° Vertical
180° Diagonal (wide) ~ 100° Diagonal
84.1° Diagonal | 73.7° Horizontal | 53.1° Vertical (wide) ~ 19.3° Diagonal | 16.1° Horizontal | 10.8° Vertical (tele)
Aperture
f/4 ~ f/22
f/3.5–4.5 ~ f/22–32
f/3.5–5.6 ~ f/22–38
Autofocus
Yes
Yes
Yes
Crop Factor
1.5
1.5
1.5
Focal Length
15 mm
10 mm ~ 17 mm
16 mm ~ 85 mm
Focal Length (35mm Equivalent)
22.5 mm
15.0 mm ~ 25.5 mm
24.0 mm ~ 127.5 mm
Focus Type
Unit
Internal
Extending front
Image Stabilization
No
No
Weather Resistance
No
Yes
Zoom Type
External zoom
External zoom
Performance
Max Magnification
0.15x
0.39x
0.26x
Min Focus Distance
180 mm / 7.09 in
140 mm / 5.51 in
350 mm / 13.78 in
Production
Accessory
Lens Hood: built-in hood (supplied)
Lens hood included
Lens Hood: PR-RBA72 (supplied)
Debut
2013-08-27
2019-07-08
2014-10-29
Reviews
Neofiliac score
59%
31%
50%
Pros
- Exceptionally light and compact
- Good weather resistance
- Ultra-wide fisheye offers unique creative possibilities
- Weather-sealed
Cons
- Not the highest IQ level
- Lacks front filter thread
- External zoom without zoom lock
- Lacks weather sealing
- Not the strongest optical performance
- Not the best image quality
- Not the best build from Pentax
- External zoom without zoom lock
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