Compare 7Artisans 25mm F1.8 vs SIGMA 30mm F1.4 DC DN
Variants
E-mount
EF-M
L-mount
MFT
Construction
Aperture Blades
7 blades
9 blades, Rounded blades
Colors
Black
Black
Form Factor
Normal Prime Lens
Normal Prime Lens
Image Size
APS-C
APS-C
Lens Barrel
Physical aperture ring, Distance scale, DoF scale
Lens Mount
Canon EF-M-mount, Fujifilm X-mount, Micro Four Thirds-mount, Sony E-mount
Material
Aluminum
Motor
Stepper motor
Optical Formula | Elements
7 elements
9 elements
Optical Formula | Groups
5 groups
7 groups
Optical Formula | Special Glass
1 aspherical and 1 double-sided aspherical groups
Dimensions
Filter Diameter
46 mm / 1.81 in
52 mm / 2.05 in
Size | Diameter
51 mm / 2.01 in
65 mm / 2.56 in
Size | Length
32 mm / 1.26 in
Weight
143 g / 5.05 oz
Function
Angle Of View
60.0° Diagonal | 51.3° Horizontal | 35.5° Vertical
Aperture
f/1.8 ~ f/22
f/1.4 ~ f/16
Autofocus
No
Crop Factor
1.5
Focal Length
25 mm
30 mm
Focal Length (35mm Equivalent)
37.5 mm
Focus Type
Internal
Internal
Image Stabilization
No
No
Weather Resistance
No
Yes
Performance
Max Magnification
0.14x
Min Focus Distance
180 mm / 7.09 in
300 mm / 11.81 in
Production
Accessory
Lens Hood: LH586-01, supplied
Debut
2017-06-28
Made In
Japan
Reviews
Neofiliac score
59%
Pros
- Short barrel
- Light in the hand
- Appears well-built
- Compact and light
- Fast autofocus
- Wide angle of view
- Fast and silent
Cons
- Lacks weather sealing
- Not the strongest in optical performance
- Difficult to upgrade firmware to V3
- Distorsion is visible in video
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