Rokinon
Rokinon AF 18mm F2.8 Compact Lens Sony E-Mount
★★★★★
f/2.8
Capture Stunning Wide-Angle Shots The Rokinon AF 18mm F2.8 is a compact and lightweight auto-focus lens designed for Sony E-mount cameras. With its ultra-wide angle of view and fast aperture, this lens is perfect for capturing expansive landscapes, architecture, and street scenes with exceptiona...
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Overview
Capture Stunning Wide-Angle Shots
The Rokinon AF 18mm F2.8 is a compact and lightweight auto-focus lens designed for Sony E-mount cameras. With its ultra-wide angle of view and fast aperture, this lens is perfect for capturing expansive landscapes, architecture, and street scenes with exceptional clarity and detail. Specifications:- Lens Mount: Sony E
- Focal Length: 18mm
- Maximum Aperture: F2.8
- Minimum Aperture: F22
- Angle of View: 100.1 degrees (Full Frame), 76.2 degrees (APS-C)
- Minimum Focusing Distance: 9.8 inches
- Filter Size: 58mm
- Number of Diaphragm Blades: 7
- Lens Design: Prime
- Focus Type: Auto Focus, Manual Focus
- Lens Coating: Ultra Multi-Coating (UMC)
Key Features
Ultra wide angle auto focus lens for Sony E mount full frame and APS-C cameras
Aperture range of f/2.8 to f/22with a minimum focusing distance of 9.8"
Takes front 58mm filter size and has an angle of view of 100.1 degrees on full frame cameras and 76.2 degrees on APS-C cameras
Designed with metal mount and glass that is strengthened with composite material for increased durability
Includes Lens case, lens caps, instruction manual and Warranty
Specifications
Focal Length
18mm
Maximum Aperture
f/2.8
Minimum Aperture
f/22
Mount Type
Sony E-Mount
Sensor Compatibility
Full Frame, APS-C
Angle of View (Full Frame)
100.1 degrees
Angle of View (APS-C)
76.2 degrees
Minimum Focusing Distance
9.8 inches
Filter Size
58mm
Construction Materials
Metal mount, composite material strengthened glass
Focus Type
Autofocus
Included Accessories
Lens case, lens caps, instruction manual, warranty
Pros & Cons
👍 Pros
- Provides an ultra-wide 18mm focal length, ideal for capturing expansive landscapes, architecture, and astrophotography.
- Features autofocus capability, simplifying operation for both full-frame and APS-C Sony E-mount cameras.
- Offers a bright f/2.8 maximum aperture, suitable for low-light conditions and achieving shallow depth of field effects.
- Constructed with a durable metal mount and composite-strengthened glass for increased longevity and robustness.
- Comes as a complete package, including a lens case, lens caps, instruction manual, and warranty for user convenience.
👎 Cons
- The maximum aperture of f/2.8, while bright, may not be fast enough for extreme low-light astrophotography compared to faster primes.
- The 18mm fixed focal length lacks the versatility of a zoom lens, requiring physical repositioning to adjust composition.
- Angle of view differs significantly between full-frame (100.1°) and APS-C (76.2°), requiring users to understand crop factors.
- While durable, the use of composite material for glass strengthening might be perceived differently than all-metal optical construction.
- A minimum focusing distance of 9.8 inches may not be close enough for very detailed close-up photography.
Frequently Asked Questions
Is the Rokinon AF 18mm F2.8 lens compatible with both full-frame and APS-C Sony E-mount cameras?
Yes, this ultra-wide-angle lens is designed to be compatible with both full-frame and APS-C Sony E-mount cameras, offering different angles of view based on the sensor size.
What is the widest aperture available on this Rokinon 18mm lens, and what are its benefits?
The widest aperture on this lens is f/2.8, which is beneficial for shooting in low-light conditions and for creating images with a pleasing, shallow depth of field.
How does the "composite material" in the lens construction contribute to its durability?
The glass elements are strengthened with composite material, combined with a metal mount, to enhance the overall durability and robustness of the lens for extended use.
What is the angle of view when using this Rokinon 18mm lens on an APS-C camera?
When used on an APS-C camera, the Rokinon AF 18mm F2.8 lens provides an angle of view of 76.2 degrees, offering a moderately wide perspective.
What is the closest subject distance this Rokinon 18mm lens can focus at?
This Rokinon AF 18mm F2.8 lens has a minimum focusing distance of 9.8 inches, allowing for relatively close-up shots within its ultra-wide perspective.
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