Compare Nikon 10-20mm F4.5-5.6G vs Pentax-DA 10-17mm F3.5-4.5 vs Pentax DA 16-85mm F3.5-5.6

Construction

Aperture Blades
7 blades
6 blades
7 blades, Rounded aperture
Colors
Black
Black
Black
Form Factor
Ultra Wide-Angle Zoom Lens
Ultra Wide-Angle Zoom Lens
Standard Zoom Lens
Image Size
APS-C
APS-C
APS-C
Lens Barrel
Distance scale
Lens Mount
Nikon F-mount
Pentax K-mount
Pentax K-mount
Motor
Stepper motor
Screw drive from camera
Optical Formula | Elements
14 elements
10 elements
16 elements
Optical Formula | Groups
11 groups
8 groups
12 groups
Optical Formula | Special Glass
Three aspherical + Super Integrated Coating groups
ED element, HD + Super Protective coatings groups
HD, Super Protect coatings groups

Dimensions

Filter Diameter
72 mm / 2.83 in
72 mm / 2.83 in
Size | Diameter
77 mm / 3.03 in
68 mm / 2.68 in
78 mm / 3.07 in
Size | Length
73 mm / 2.87 in
70 mm / 2.76 in
94 mm / 3.70 in
Weight
230 g / 8.13 oz
317 g / 11.20 oz
488 g / 17.24 oz

Function

Angle Of View
110.6° Diagonal | 100.4° Horizontal | 77.3° Vertical (wide) ~ 71.6° Diagonal | 61.9° Horizontal | 43.6° Vertical (tele)
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/4.5–5.6 ~ f/29
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
10 mm ~ 20 mm
10 mm ~ 17 mm
16 mm ~ 85 mm
Focal Length (35mm Equivalent)
15.0 mm ~ 30.0 mm
15.0 mm ~ 25.5 mm
24.0 mm ~ 127.5 mm
Focus Type
Internal
Internal
Extending front
Image Stabilization
Yes
No
Weather Resistance
No
No
Yes
Zoom Type
External zoom
External zoom
External zoom

Performance

Max Magnification
0.17x
0.39x
0.26x
Min Focus Distance
220 mm / 8.66 in
140 mm / 5.51 in
350 mm / 13.78 in

Production

Accessory
Lens hood included
Lens Hood: PR-RBA72 (supplied)
Debut
2017-05-31
2019-07-08
2014-10-29

Reviews

Neofiliac score
60%
31%
50%
Pros
  • Optically stabilized
  • Light in the hand
  • Good value to performance ratio
  • Ultra-wide fisheye offers unique creative possibilities
  • Weather-sealed
Cons
  • Dark maximum aperture
  • External zoom without zoom lock
  • Lacks weather sealing
  • Variable aperture
  • 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

Price

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