Compare 7artisans 55mm F1.4 vs SIGMA 30mm F1.4 DC DN vs SIGMA 28-70mm F2.8 DG DN
Variants
E-mount
EF-M
L-mount
MFT
Construction
Aperture Blades
9 blades
9 blades, Rounded blades
9 blades
Colors
Black
Black
Black
Form Factor
Short Telephoto Prime Lens
Normal Prime Lens
Standard Zoom Lens
Image Size
APS-C
APS-C
Full-Frame
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
Leica L-mount, Sony E-mount
Material
Aluminum
Magnesium alloy
Motor
Stepper motor
Stepper motor
Optical Formula | Elements
6 elements
9 elements
16 elements
Optical Formula | Groups
5 groups
7 groups
12 groups
Optical Formula | Special Glass
1 aspherical and 1 double-sided aspherical groups
2 FLD + 2 SLD + 3 aspherical elements, Nano Porous + Super Multi-Layer coating groups
Dimensions
Filter Diameter
52 mm / 2.05 in
52 mm / 2.05 in
67 mm / 2.64 in
Size | Diameter
60 mm / 2.4 in
65 mm / 2.56 in
72 mm / 2.83 in
Size | Length
65 mm / 2.60 in
102 mm / 4.02 in
Weight
272 g / 9.61 oz
470 g / 16.61 oz
Function
Angle Of View
29.4° Diagonal | 24.6° Horizontal | 16.6° Vertical
75.4° Diagonal | 65.5° Horizontal | 46.4° Vertical (wide) ~ 34.4° Diagonal | 28.8° Horizontal | 19.5° Vertical (tele)
Aperture
f/1.4 ~ f/16
f/1.4 ~ f/16
f/2.8 ~ f/22
Autofocus
No
Yes
Crop Factor
1.5
Focal Length
55 mm
30 mm
28 mm ~ 70 mm
Focal Length (35mm Equivalent)
82.5 mm
Focus Type
Internal
Internal
Internal
Image Stabilization
No
No
No
Weather Resistance
No
Yes
Yes
Zoom Type
External zoom
Performance
Max Magnification
0.14x
0.3x
Min Focus Distance
420 mm / 16.54 in
300 mm / 11.81 in
190 mm / 7.48 in
Production
Accessory
Lens Hood: LH586-01, supplied
Lens hood included
Debut
2021
2021-02-24
Made In
Japan
Japan
Reviews
Neofiliac score
59%
74%
Pros
- Bright maximum aperture
- Compact and light
- Fast autofocus
- Wide angle of view
- Fast and silent
- Weather-sealed
- Lightweight and compact
- Good image quality
- Fast autofocus
Cons
- Lacks weather sealing
- Not very solid
- Larger and heavier than Mark I
- Lower maximum magnification than Mark I
- Difficult to upgrade firmware to V3
- Distorsion is visible in video
- External zoom without zoom lock
- Vignetting at 70mm
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