Compare Pentax-DA 10-17mm F3.5-4.5 vs Sony E PZ 10-20mm F4 G vs Sony 16-55mm F2.8 G
Construction
Aperture Blades
6 blades
7 blades, Curved aperture blades
9 blades
Colors
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
Pentax K-mount
Sony E-mount
Sony E-mount
Motor
Screw drive from camera
Linear Motor
Linear Motor
Optical Formula | Elements
10 elements
11 elements
17 elements
Optical Formula | Groups
8 groups
8 groups
12 groups
Optical Formula | Special Glass
ED element, HD + Super Protective coatings groups
2 extra-low dispersion (ED) element, 3 aspherical elements and 1 ED Aspherical element groups
Two AA (advanced aspherical) elements, two aspherical elements, three ED (extra-low dipsersion) elements. Fluorine coated front element. groups
Dimensions
Filter Diameter
62 mm / 2.44 in
67 mm / 2.64 in
Size | Diameter
68 mm / 2.68 in
70 mm / 2.76 in
73 mm / 2.87 in
Size | Length
70 mm / 2.76 in
55 mm / 2.17 in
100 mm / 3.94 in
Weight
317 g / 11.20 oz
178 g / 6.29 oz
494 g / 17.46 oz
Function
Angle Of View
180° Diagonal (wide) ~ 100° Diagonal
110.6° Diagonal | 100.4° Horizontal | 77.3° Vertical (wide) ~ 71.6° Diagonal | 61.9° Horizontal | 43.6° Vertical (tele)
84.1° Diagonal | 73.7° Horizontal | 53.1° Vertical (wide) ~ 29.4° Diagonal | 24.6° Horizontal | 16.6° Vertical (tele)
Aperture
f/3.5–4.5 ~ f/22–32
f/4 ~ f/22
f/2.8 ~ f/22
Autofocus
Yes
Yes
Yes
Crop Factor
1.5
1.5
1.5
Focal Length
10 mm ~ 17 mm
10 mm ~ 20 mm
16 mm ~ 55 mm
Focal Length (35mm Equivalent)
15.0 mm ~ 25.5 mm
15.0 mm ~ 30.0 mm
24.0 mm ~ 82.5 mm
Focus Type
Internal
Internal
Extending front
Image Stabilization
No
No
Weather Resistance
No
Yes
Yes
Zoom Type
External zoom
Internal zoom, Power-zoom enabled
External zoom
Performance
Max Magnification
0.39x
0.18x
0.2x
Min Focus Distance
140 mm / 5.51 in
130 mm / 5.12 in
330 mm / 12.99 in
Production
Accessory
Lens hood included
Lens Hood: ALC-SH169 (supplied)
Lens Hood: ALC-SH161 (supplied)
Debut
2019-07-08
2022-06-01
2019-08-28
Model Name
SELP1020G
SEL1655G
Reviews
Neofiliac score
31%
67%
62%
Pros
- Ultra-wide fisheye offers unique creative possibilities
- Light in the hand
- Internal zoom
- Power zoom for smooth zoom pools in video
- Weather-sealed
- Weather-sealed
- Solid build quality
- Very sharp
Cons
- Lacks front filter thread
- External zoom without zoom lock
- Lacks weather sealing
- Not the strongest optical performance
- Dark maximum aperture
- External zoom without zoom lock
- Quite expensive for what it is
- Not stabilized
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