Samyang AF 18mm F2.8 Full-Frame Lens (2019)
Product Gallery
Product Overview
Samyang AF 18mm F2.8 is a full-frame, super-wide-angle, autofocus prime lens for Sony's E-mount mirrorless system. It is offers an interest, 100˚ field of view and relatively bright f/2.8 maximum aperture in a compact, affordable package.
The AF 18mm F2.8 weighs a mere 145g and measures just over 60mm long, making it easy to carry around all day. The 18mm focal length on a full-frame sensor is a great option for landscape, architecture, and real estate photography.
Out of the 9 elements in the AF 18mm F2.8, 8 of them are specialized elements, optimizing sharpness and suppression of aberration.
In recent years, Samyang has greatly expanded its autofocus lens lineup for Sony's E-mount. Three other such lenses that share the same lightweight and compact design include the AF 35mm F1.8, AF 45mm F1.8, and AF 75mm F1.8.
Ratings
What we found**
Neofiliac score 59% (not directly comparable across industries)
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
What external reviewers found***
External score 66% (not directly comparable across industries)
Pros
- Excellent resolution
- Excellent piqué sur tout le champ sur capteur à 24Mpix
- Light and compact
- Very good if you get a well centered lens (410 euros) good colo...
- Dust and splash protection
- In-body stabilization
Cons
- No in-camera correction
- Bokeh is ok but could be smoother (The Batis does better on that matter)
- Vignette
Price Comparison
Specifications
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
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Launch Comparison
Clear List
3rd-Party Review Videos
External Reviews
sonyalpha[1]
Reviewer score 66%ness in the centre wide open and max very good on A7RIV Background Blur is ok but could be smoother (The Batis does better on that matter) Noticeable distorsion (similar to Zeiss Batis 18mm F2.8) and moderate vignetting. Corners sharpness is bad open and only become good at F8 Bokeh Balls shows onion rings but on a ultra wide angle you don't have big bokeh balls so you won't notice it a lot.
Find the original article here.
Pros
- Excellent piqué sur tout le champ sur capteur à 24Mpix
- Excellent lens with better sharpness and bigger aperture but fully manual (1500 euros) : very good to excellent but huge (1000 euros)
- Very good if you get a well centered lens (410 euros) good colo...
Cons
- Bokeh is ok but could be smoother (The Batis does better on that matter)
pcmag[2]
Reviewer score 65%Rokinon has been putting together a strong array of low-cost lenses for Sony's full-frame system. Sony's first-party lenses tend to land on the spendy side of the spectrum. The FE 20mm F1.8 G is absolutely the best prime lens you can get with a similar angle of view, but at $900, you may hesitate to snap it up.
Find the original article here.
Pros
- Light and compact
- Excellent resolution
- In-body stabilization
- Dust and splash protection
Cons
- Vignette
- No in-camera correction
User Reviews
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References
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Scores are not directly comparable across industries.
These key takeaways ("pros" and "cons") and summaries are identified from third-party reviews. They may differ from the original texts.
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