Compare Fujifilm GF 23mm F4 vs Laowa 17mm F4 Zero-D GFX
Construction
Aperture Blades
9 blades, Rounded blades
7 blades
Form Factor
Ultra Wide-Angle Prime Lens
Ultra Wide-Angle Prime Lens
Image Size
Medium Format (44x33)
Medium Format (44x33)
Lens Barrel
Physical aperture ring
Physical aperture ring, Distance scale, DoF scale
Lens Mount
Fujifilm G-mount
Fujifilm G-mount
Motor
Linear Motor
Optical Formula | Elements
15 elements
21 elements
Optical Formula | Groups
12 groups
14 groups
Optical Formula | Special Glass
2 aspherical, 3 extra-low dispersion, 1 super ED groups
2 aspherical + 3 ED elements groups
Dimensions
Filter Diameter
82 mm / 3.23 in
86 mm / 3.39 in
Size | Diameter
90 mm / 3.54 in
77 mm / 3.03 in
Size | Length
103 mm / 4.06 in
125 mm / 4.92 in
Weight
845 g / 29.86 oz
829 g / 29.29 oz
Function
Angle Of View
99.9° Diagonal
116.4° Diagonal | 106.5° Horizontal | 83.6° Vertical
Aperture
f/4 ~ f/32
f/4 ~ f/22
Autofocus
Yes
No
Crop Factor
0.8
0.8
Focal Length
23 mm
17 mm
Focal Length (35mm Equivalent)
18 mm
13.4 mm
Focus Type
Internal
Internal
Image Stabilization
No
No
Weather Resistance
Yes
No
Performance
Max Magnification
0.09x
0.28x
Min Focus Distance
380 mm / 14.96 in
200 mm / 7.87 in
Production
Accessory
Lens hood included
Debut
2017-04-19
2018-04-20
Made In
China
Reviews
Neofiliac score
80%
40%
Pros
- Weather-sealed
- Comes with physical aperture ring
- Very sharp
- Widest rectilinear lens for G-mount medium format
- Low distortion
- Good optical performance
Cons
- Quite heavy
- Dark maximum aperture
- On the heavy side
- Lacks weather sealing
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