Rokinon
Rokinon CV8MBK31-E 8mm Cine Fisheye II Sony E-Mount Lens
★★★★★
Expand Your Vision with Rokinon Cine Fisheye Lens The Rokinon 8mm T3.1 UMC Cine Fisheye II Lens is designed for Sony E-Mount cameras, offering a unique perspective for both photography and videography. With its manual focus, clickless aperture, and geared rings, this lens provides precise contro...
$449.00*
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*Price sourced from Amazon.com. Last updated:Jul 14, 2026.Price and availability are subject to change.
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Overview
Expand Your Vision with Rokinon Cine Fisheye Lens
The Rokinon 8mm T3.1 UMC Cine Fisheye II Lens is designed for Sony E-Mount cameras, offering a unique perspective for both photography and videography. With its manual focus, clickless aperture, and geared rings, this lens provides precise control for creative expression.
Specifications:
- Brand: Rokinon
- Model: CV8MBK31-E
- Mount: Sony E-Mount (NEX)
- Focal Length: 8mm (Fixed)
- Aperture Range: T3.1
- Aperture Range: f/2.8-22
- Focus: Manual Focus
- Optical Construction: 11 Elements in 8 Groups
- Minimum Focus Distance: 1 foot
Key Features
Fixed 8mm focal Length Fisheye lens
Aperture range f2.8-22
New and improved optics and construction
11 elements in 8 groups, built specifically for mirror less cameras
Minimum focus distance 1 foot.
Specifications
Focal Length
8mm
Lens Type
Cine Fisheye II
Mount Type
Sony E-Mount
Aperture Range
f/2.8-22
Optical Construction
11 elements in 8 groups
Minimum Focus Distance
1 foot
Pros & Cons
👍 Pros
- Features new and improved optical elements for enhanced image quality compared to previous versions.
- Offers a wide aperture range from f/2.8 to f/22, providing flexibility for various lighting conditions.
- Designed with 11 elements in 8 groups, optimized specifically for mirrorless camera systems.
- Provides a fixed 8mm focal length, ideal for unique fisheye effects and creative cinematography.
- Achieves a minimum focus distance of just one foot, allowing for close-up fisheye shots.
👎 Cons
- The fixed 8mm focal length does not offer the versatility of zoom lenses for different shot types.
- Requires manual focus and aperture control, which may be less convenient than autofocus systems for fast-paced shooting.
- Designed exclusively for Sony E-Mount, limiting its compatibility with other camera systems without adapters.
- The fisheye perspective introduces significant barrel distortion, which may not be suitable for all photographic needs.
Frequently Asked Questions
Is this lens designed for full-frame or APS-C Sony E-Mount cameras?
This lens is built specifically for mirrorless cameras, and while the exact sensor size isn't specified, its fixed 8mm fisheye focal length is commonly used on APS-C sensors to provide a distinct ultra-wide field of view.
Does this lens offer autofocus capabilities?
No, the Rokinon CV8MBK31-E 8mm Cine Fisheye II lens features a manual focus design, requiring the user to adjust focus and aperture settings directly on the lens.
What are the advantages of the "new and improved optics and construction" mentioned?
The "new and improved optics and construction" indicate updates to the internal lens design and physical build, aimed at enhancing image quality, durability, and overall performance specific to mirrorless camera systems.
What kind of creative effects can be achieved with an 8mm fisheye lens?
An 8mm fisheye lens produces a highly distorted, ultra-wide-angle view, creating a unique curved perspective often used for artistic, landscape, architectural, or action-sports videography and photography to emphasize scale and dynamic lines.
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