Samyang
Samyang SYIO18AF-E 18mm F2.8 AF Wide Angle Lens Sony E
★★★★★
Ultra-compact 18mm f/2.8 autofocus wide-angle lens built for Sony E-mount full-frame shooters.
$269.10*$299.00Save 10%
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Overview
Key Features
SUPER-WIDE FIELD OF VIEW: Crisp 100.1° angle on full-frame and 76.2° on APS-C sensors—perfect for interiors, landscapes, and tight spaces. Delivers expansive compositions without distortion in a tiny, travel-ready design.
LIGHTWEIGHT & ULTRA COMPACT: Weighing only 145g and measuring under 2", this full-frame lens slips easily into your pocket or camera bag. Ideal for creators who need portability without sacrificing image fidelity.
ADVANCED OPTICS FOR SHARP IMAGERY: Engineered with 8 specialized lens elements—3 ED, 3 ASP, and 2 HR—for stunning sharpness, contrast, and minimal chromatic aberration. Professional image quality in a truly compact form.
SILENT & ACCURATE AUTOFOCUS: The internal focusing STM motor delivers fast, precise, and whisper-quiet autofocus—perfect for vlogging, street photography, or discreet event coverage without disrupting your audio.
BUILT TO LAST, READY TO GO: Features a durable metal mount with strengthened composite housing. Includes lens caps, hood, case, and manual—everything needed for travel, adventure, and daily photo shoots.
Specifications
Brand
Samyang
Model
SYIO18AF-E
Focal Length
18mm
Maximum Aperture
f/2.8
Lens Mount
Sony E
Format Compatibility
Full Frame
Focus Type
Autofocus (AF)
Pros & Cons
👍 Pros
- Very compact and lightweight for an 18mm full-frame wide-angle lens, making it easy to carry all day.
- Fast f/2.8 aperture performs well in low light and allows for some background separation at close distances.
- Autofocus system pairs natively with Sony E-mount bodies for quick and reliable focusing.
- The 18mm focal length provides an ultra-wide perspective ideal for landscapes, architecture, and interiors.
- Affordable price point compared to Sony's own wide-angle prime options.
👎 Cons
- No optical image stabilization, relying entirely on camera body IBIS if available.
- Lacks weather sealing, limiting confidence when shooting outdoors in harsh conditions.
- Corner sharpness can soften noticeably at f/2.8 on full-frame bodies, requiring you to stop down for edge-to-edge detail.
- Autofocus motor can be audible during video recording, which may be picked up by on-camera microphones.
Frequently Asked Questions
Does this lens support autofocus on Sony APS-C cameras as well as full-frame?
Yes, the Samyang 18mm f/2.8 AF uses the Sony E mount, so it works on both full-frame and APS-C Sony mirrorless bodies, though on APS-C the effective field of view is equivalent to approximately 27mm.
Is this lens weather-sealed?
Samyang does not list weather sealing for the SYIO18AF-E, so it is best to avoid prolonged use in rain or dusty environments without protection.
How close can this lens focus?
The Samyang 18mm f/2.8 AF has a minimum focusing distance of approximately 0.25m (about 10 inches), which is reasonably close for a wide-angle prime.
Does the lens have image stabilization?
No, there is no optical stabilization built into this lens. However, it can take advantage of in-body image stabilization (IBIS) on compatible Sony camera bodies.
What filter thread size does this lens use?
The Samyang 18mm f/2.8 AF uses a 58mm filter thread.
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