Compare Laowa 17mm F4 Zero-D GFX vs Fujifilm GF 23mm F4 vs Fujifilm GF 45-100mm F4
Construction
Aperture Blades
7 blades
9 blades, Rounded blades
9 blades
Colors
Black
Form Factor
Ultra Wide-Angle Prime Lens
Ultra Wide-Angle Prime Lens
Zoom Lens
Image Size
Medium Format (44x33)
Medium Format (44x33)
Medium Format (44x33)
Lens Barrel
Physical aperture ring, Distance scale, DoF scale
Physical aperture ring
Physical aperture ring
Lens Mount
Fujifilm G-mount
Fujifilm G-mount
Fujifilm G-mount
Material
Magnesium alloy
Motor
Linear Motor
Linear Motor
Optical Formula | Elements
21 elements
15 elements
16 elements
Optical Formula | Groups
14 groups
12 groups
2 groups
Optical Formula | Special Glass
2 aspherical + 3 ED elements groups
2 aspherical, 3 extra-low dispersion, 1 super ED groups
1 ED, 1 super ED, 3 aspherical elements groups
Dimensions
Filter Diameter
86 mm / 3.39 in
82 mm / 3.23 in
82 mm / 3.23 in
Size | Diameter
77 mm / 3.03 in
90 mm / 3.54 in
93 mm / 3.66 in
Size | Length
125 mm / 4.92 in
103 mm / 4.06 in
145 mm / 5.71 in
Weight
829 g / 29.29 oz
845 g / 29.86 oz
1005 g / 35.51 oz
Function
Angle Of View
116.4° Diagonal | 106.5° Horizontal | 83.6° Vertical
99.9° Diagonal
62.7° Diagonal | 53.7° Horizontal | 37.3° Vertical (wide) ~ 30.7° Diagonal | 25.7° Horizontal | 17.3° Vertical (tele)
Aperture
f/4 ~ f/22
f/4 ~ f/32
f/4 ~ f/32
Autofocus
No
Yes
Yes
Crop Factor
0.8
0.8
0.8
Focal Length
17 mm
23 mm
45 mm ~ 100 mm
Focal Length (35mm Equivalent)
13.4 mm
18 mm
35.6 mm ~ 79.0 mm
Focus Type
Internal
Internal
Internal
Image Stabilization
No
No
Yes (5 stops)
Weather Resistance
No
Yes
Yes
Zoom Type
External zoom
Performance
Max Magnification
0.28x
0.09x
0.13x
Min Focus Distance
200 mm / 7.87 in
380 mm / 14.96 in
650 mm / 25.59 in
Production
Accessory
Lens hood included
Lens hood included
Debut
2018-04-20
2017-04-19
2020-01-23
Made In
China
Reviews
Neofiliac score
40%
80%
52%
Pros
- Widest rectilinear lens for G-mount medium format
- Low distortion
- Good optical performance
- Weather-sealed
- Comes with physical aperture ring
- Very sharp
- Superb image quality
- Optically stabilized
- Weather-sealed
- Comes with physical aperture ring
Cons
- On the heavy side
- Lacks weather sealing
- Quite heavy
- Dark maximum aperture
- Dark and variable maximum aperture
- Very large and heavy
- External zoom without zoom lock
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