Compare Samyang AF 18mm F2.8
Construction
Aperture Blades
7 blades
Form Factor
Ultra Wide-Angle Prime Lens
Image Size
Full-Frame
Lens Mount
Sony E-mount
Motor
Stepper motor
Optical Formula | Elements
9 elements
Optical Formula | Groups
8 groups
Optical Formula | Special Glass
2 HR, 3 aspherical, 3 ED elements + UMC coating groups
Dimensions
Filter Diameter
58 mm / 2.28 in
Size | Diameter
64 mm / 2.52 in
Size | Length
61 mm / 2.40 in
Weight
145 g / 5.12 oz
Function
Angle Of View
100.5° Diagonal | 90.0° Horizontal | 67.4° Vertical
Aperture
f/2.8 ~ f/22
Autofocus
Yes
Focal Length
18 mm
Focus Type
Internal
Image Stabilization
No
Weather Resistance
No
Performance
Max Magnification
0.09x
Min Focus Distance
250 mm / 9.84 in
Production
Debut
2019-08-29
Made In
Korea
Reviews
Neofiliac score
59%
Pros
- Light and compact
- Fast autofocus
- High contrast
- Good sharpness
Cons
- Low maximum magnification
- Lacks weather sealing
- Focus breathing
- Strong vignetting wide open
- Full plastic construction
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