Compare Sony E PZ 10-20mm F4 G vs Pentax-DA 645 28-45mm F4.5
Construction
Aperture Blades
7 blades, Curved aperture blades
9 blades, Rounded blades
Colors
Black
Black
Form Factor
Ultra Wide-Angle Zoom Lens
Ultra Wide-Angle Prime Lens
Image Size
APS-C
Medium Format (645)
Lens Barrel
Distance scale
Lens Mount
Sony E-mount
Pentax 645 KAF2 bayonet
Material
Metal
Motor
Linear Motor
Optical Formula | Elements
11 elements
17 elements
Optical Formula | Groups
8 groups
12 groups
Optical Formula | Special Glass
2 extra-low dispersion (ED) element, 3 aspherical elements and 1 ED Aspherical element groups
HD and Aero Bright coatings groups
Dimensions
Filter Diameter
62 mm / 2.44 in
82 mm / 3.23 in
Size | Diameter
70 mm / 2.76 in
99 mm / 3.90 in
Size | Length
55 mm / 2.17 in
152 mm / 5.98 in
Weight
178 g / 6.29 oz
1470 g / 51.94 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)
102.6° Diagonal | 92.1° Horizontal | 69.3° Vertical (wide) ~ 75.6° Diagonal | 65.7° Horizontal | 46.5° Vertical (tele)
Aperture
f/4 ~ f/22
f/4.5 ~ f/32
Autofocus
Yes
Yes
Crop Factor
1.5
0.6
Focal Length
10 mm ~ 20 mm
28 mm ~ 45 mm
Focal Length (35mm Equivalent)
15.0 mm ~ 30.0 mm
17.4 mm ~ 27.9 mm
Focus Type
Internal
Internal
Image Stabilization
No
Yes
Weather Resistance
Yes
Yes
Zoom Type
Internal zoom, Power-zoom enabled
Internal zoom
Performance
Max Magnification
0.18x
0.21x
Min Focus Distance
130 mm / 5.12 in
400 mm / 15.75 in
Production
Accessory
Lens Hood: ALC-SH169 (supplied)
Lens Hood: 38709 (supplied)
Debut
2022-06-01
2014-08-04
Model Name
SELP1020G
Reviews
Neofiliac score
67%
68%
Pros
- Light in the hand
- Internal zoom
- Power zoom for smooth zoom pools in video
- Weather-sealed
- Superb image quality
- Optically stabilized
- Internal zoom
- Weather-sealed
- Solidly built
Cons
- Dark maximum aperture
- Dark maximum aperture
- Large and heavy
- Rather expensive
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