Rokinon
Rokinon IO12AF-E 12mm F2.0 AF Sony E Lens
★★★★★
Ultra-wide 12mm autofocus lens for Sony APS-C — fast, sharp, and weather-sealed at just 7.5 ounces.
$324.00*$399.00Save 18%
View on Amazon
✓ In Stock on Amazon.com
*Price sourced from Amazon.com. Last updated:Jul 14, 2026.Price and availability are subject to change.
Affiliate Disclosure: Studio Supplies may earn a commission from qualifying purchases made through links on this page, at no additional cost to you. This helps support our editorial team.
Notice a mistake? Let Us Know
Overview
Key Features
ULTRA WIDE FIELD FOR SONY E APS-C: Compatible with all Sony E-mount mirrorless cameras, this 12mm lens offers a 99.1° rectilinear view—perfect for interiors, landscapes, and creative scenes with maximum spatial coverage and perspective control.
BRIGHT F2.0 APERTURE FOR LOW LIGHT: Capture stunning astrophotography, night scenes, and indoor environments without external lighting. The F2.0 aperture enables faster shutter speeds and a shallow depth of field for beautiful background separation.
LINEAR STM MOTOR FOR SILENT AF: Advanced Linear Stepping Motor ensures smooth, fast, and quiet autofocus—ideal for video creators and still shooters who demand precision, whether filming dynamic scenes or capturing quick-moving subjects.
ADVANCED OPTICS FOR SUPERIOR IMAGE QUALITY: 12 elements in 10 groups, including 1 ASP, 3 ED, and 1 H-ASP lens, minimize distortion and aberrations. Ultra Multi-Coating (UMC) enhances contrast and color accuracy by reducing flare and ghosting.
DURABLE DESIGN WITH WEATHER SEALING: Constructed with an all-metal housing and micro-pattern grip, the lens features weather sealing and rear protective glass, offering added durability and performance in outdoor or unpredictable shooting conditions.
Specifications
Brand
Rokinon
Model
IO12AF-E
Mount
Sony E (APS-C)
Focal Length
12mm
Aperture Range
f/2.0 – f/22
Angle of View
99.1°
Optical Construction
12 elements in 10 groups
Special Elements
1 ASP, 3 ED, 1 H-ASP
Coating
Ultra Multi Coating (UMC)
Autofocus Motor
Linear Stepping Motor (LSM)
Minimum Focusing Distance
7.48 inches
Filter Size
62mm
Weight
7.51 oz
Dimensions
6.2 x 5.2 x 5.2 inches
Pros & Cons
👍 Pros
- 99.1° ultra-wide field of view captures expansive scenes with minimal distortion
- Bright f/2.0 aperture excels in low-light shooting and astrophotography
- Silent Linear Stepping Motor provides fast autofocus ideal for both stills and video
- Compact and lightweight at just 7.51 oz for all-day carry without fatigue
- Weather-sealed metal construction offers durability in outdoor shooting conditions
👎 Cons
- APS-C only — not designed for full-frame use without significant crop penalty
- 62mm filter thread may require step-up rings to match larger filter systems
- At 12mm on APS-C, the effective 18mm equivalent may not be wide enough for some ultra-wide applications
- No optical image stabilization — relies on in-body stabilization for handheld shooting
- Manual focus ring has no hard stops, which can make precise manual adjustments less tactile
Frequently Asked Questions
Does this lens work on full-frame Sony cameras?
It is designed for APS-C Sony E-mount cameras. While it can physically mount on full-frame bodies, it will produce heavy vignetting unless the camera is set to APS-C crop mode, which reduces the effective resolution.
How close can this lens focus?
The minimum focusing distance is 7.48 inches (approximately 19 cm), which allows you to get quite close to subjects for creative ultra-wide perspectives, though it is not intended as a macro lens.
Is the autofocus motor quiet enough for video recording?
Yes, the Linear Stepping Motor (LSM) is designed to be smooth and nearly silent during operation, making it well-suited for video work where microphone pickup of lens noise would be an issue.
What filter size does this lens use?
The lens accepts 62mm threaded filters, which is a common and affordable size for polarizers, ND filters, and other accessories.
Related Products
