Compare Samyang 7.5mm F3.5 UMC Fisheye vs Panasonic DG 15mm F1.7 vs Panasonic H-X09 Summilux 9mm F1.7
Construction
Aperture Blades
7 blades, circular diaphragm
Colors
Black
Form Factor
Ultra Wide-Angle Prime Lens
Wide-Angle Prime Lens
Ultra Wide-Angle Prime Lens
Image Size
MFT
MFT
MFT
Lens Barrel
Physical aperture ring, Distance scale
Physical aperture ring
Lens Mount
Micro Four Thirds-mount
Micro Four Thirds-mount
Micro Four Thirds-mount
Motor
Stepper motor
Micromotor
Optical Formula | Elements
9 elements
9 elements
12 elements
Optical Formula | Groups
7 groups
7 groups
9 groups
Optical Formula | Special Glass
3 aspherical elements groups
2 aspherical, 2 ED, 1 Ultra-high refractive index groups
Dimensions
Filter Diameter
46 mm / 1.81 in
55 mm / 2.17 in
Size | Diameter
60 mm / 2.36 in
58 mm / 2.28 in
61 mm / 2.40 in
Size | Length
48 mm / 1.89 in
36 mm / 1.42 in
52 mm / 2.05 in
Weight
197 g / 6.96 oz
115 g / 4.06 oz
130 g / 4.59 oz
Function
Angle Of View
180° Diagonal (fisheye)
71.6° Diagonal | 61.9° Horizontal | 43.6° Vertical
100.5° Diagonal | 90.0° Horizontal | 67.4° Vertical
Aperture
f/3.5 ~ f/22
f/1.7 ~ f/16
f/1.7 ~ f/16
Autofocus
No
Yes
Yes
Crop Factor
2.0
2.0
2.0
Focal Length
7.5 mm
15 mm
9 mm
Focal Length (35mm Equivalent)
15.0 mm
30.0 mm
18.0 mm
Focus Type
Internal
Image Stabilization
No
No
Weather Resistance
No
Yes
Performance
Max Magnification
0.1x
0.25x
Min Focus Distance
90 mm / 3.54 in
200 mm / 7.87 in
100 mm / 3.94 in
Production
Accessory
Lens Hood: Built-in petal-type hood (supplied)
Lens hood included
Debut
2011-09-05
2014-03-24
2022-05-17
Model Name
H-X015
Reviews
Neofiliac score
50%
78%
76%
Pros
- Very light and compact
- 180° FOV
- Compact and lightweight
- Comes with physical aperture ring
- Light in the hand
- Weather-sealed
Cons
- Lacks front filter thread
- Lacks weather sealing
- Not the best optical performance
- Leica tax
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