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Rokinon CV8MBK31-NX 8mm T3.1 Cine Fisheye Lens Samsung NX — main product image
Rokinon

Rokinon CV8MBK31-NX 8mm T3.1 Cine Fisheye Lens Samsung NX

★★★★★1.0 (1 reviews)

Capture Stunning Fisheye Perspectives with Cine PrecisionThe Rokinon 8mm T3.1 UMC Cine Fisheye II Lens is designed for filmmakers seeking unique, ultra-wide perspectives. This manual focus lens delivers exceptional image quality and smooth aperture control, perfect for capturing immersive visuals...

$365.68*
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*Price sourced from Amazon.com. Last updated:Jul 13, 2026.Price and availability are subject to change.

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Overview

Capture Stunning Fisheye Perspectives with Cine Precision

The Rokinon 8mm T3.1 UMC Cine Fisheye II Lens is designed for filmmakers seeking unique, ultra-wide perspectives. This manual focus lens delivers exceptional image quality and smooth aperture control, perfect for capturing immersive visuals with mirrorless cameras.


Specifications:
  • Brand: Rokinon
  • Model: CV8MBK31-NX
  • Focal Length: 8mm
  • Aperture: T3.1
  • Mount: Samsung NX
  • Focus: Manual Focus
  • Aperture Control: Clickless, geared
  • Special Features: UMC Coating, Cine lens design

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 (fixed)
Aperture Range
f2.8-22
Lens Type
Cine Fisheye
Mount Type
Samsung NX
Optical Construction
11 elements in 8 groups
Minimum Focus Distance
1 foot

Pros & Cons

👍 Pros

  • Offers an ultra-wide 8mm fixed focal length with a fisheye perspective, ideal for creative and immersive photography.
  • Features an aperture range of f2.8-22, providing flexibility in various lighting conditions and depth of field control.
  • Boasts new and improved optics and construction, suggesting enhanced image quality and durability compared to previous models.
  • Specifically designed for mirrorless cameras with 11 elements in 8 groups, ensuring optimized performance for the camera type.
  • Allows for a close minimum focus distance of 1 foot, enabling unique close-up wide-angle shots.

👎 Cons

  • The fixed 8mm focal length offers no zoom capability, requiring the photographer to physically move to change perspective.
  • The T3.1 aperture listed in the title differs from the f2.8-22 range in features, which can be confusing for aperture-priority users.
  • Designed specifically for Samsung NX mount, limiting direct compatibility to a particular camera system.
  • A fisheye lens creates strong barrel distortion, which is a specific effect that may not be desired for all types of photography.
  • The manual focus design means no autofocus capabilities, requiring precise manual adjustments, which can be challenging in fast-paced situations.

Frequently Asked Questions

This Rokinon CV8MBK31-NX lens has a fixed focal length of 8mm, offering an ultra-wide fisheye perspective.
The lens features an aperture range from f2.8 to f22, providing flexibility for different lighting and depth of field needs.
This lens is specifically designed for Samsung NX mirrorless cameras, ensuring direct compatibility with that system.
The minimum focus distance for this lens is 1 foot, allowing for close-up shots with a wide perspective.
The lens is constructed with 11 elements arranged in 8 groups, contributing to its optical performance.
The description indicates this is a cine lens, which typically means it's manual focus, and the features do not mention autofocus.
An 8mm fisheye lens is best suited for creative photography, capturing wide-angle distorted views for landscapes, interiors, or action shots.

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