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Rokinon DS20M-NEX 20mm T1.9 Cine Lens Sony E-Mount — main product image
Rokinon

Rokinon DS20M-NEX 20mm T1.9 Cine Lens Sony E-Mount

★★★★★4.8 (23 reviews)

Capture Cinematic Wide-Angle Visions: Rokinon 20mm T1.9 Cine DS Lens The Rokinon 20mm T1.9 Cine DS is a wide-angle cine lens designed for Sony E-mount cameras. With its bright T1.9 aperture, it enables fast shutter speeds even in low light conditions. The lens is engineered with advanced optical ...

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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

Capture Cinematic Wide-Angle Visions: Rokinon 20mm T1.9 Cine DS Lens

The Rokinon 20mm T1.9 Cine DS is a wide-angle cine lens designed for Sony E-mount cameras. With its bright T1.9 aperture, it enables fast shutter speeds even in low light conditions. The lens is engineered with advanced optical technology to minimize aberrations and ensure exceptional image quality.

Specifications:

  • Focal Length: 20mm
  • Aperture: T1.9
  • Mount: Sony E-Mount
  • Format Compatibility: Full Frame
  • Optical Design: AS (Aspherical Lenses) , ED (Extra-low Dispersion) , UMC (Ultra Multi Coating)

Key Features

Compatible with both full frame and APS-C DSLR cameras and features unified gears with all Rokinon Cine DS lenses

Constructed of 13 elements in 12 groups with an aperture range of T1.8 to T23

Minimum focusing distance of 0.66 ft

Ultra Multi Coated (UMC) glass

Specifications

Model
DS20M-NEX
Focal Length
20mm
Aperture Range
T1.8 to T23
Optical Construction
13 elements in 12 groups
Minimum Focusing Distance
0.66 ft
Lens Coating
Ultra Multi Coated (UMC)
Mount Type
Sony E-Mount
Compatibility
Full frame and APS-C DSLR cameras

Pros & Cons

👍 Pros

  • Compatible with both full-frame and APS-C DSLR cameras, offering broad utility for photographers.
  • Features unified gears with all Rokinon Cine DS lenses, ensuring smooth focus pulling in video production.
  • Constructed with 13 elements in 12 groups for detailed image rendition and optical clarity.
  • Boasts an aperture range of T1.8 to T23, providing flexibility in various lighting conditions and depth of field control.
  • Utilizes Ultra Multi Coated (UMC) glass to minimize flares and ghosting, enhancing image quality.

👎 Cons

  • The minimum focusing distance of 0.66 ft might not be ideal for extreme close-up or macro photography.
  • A fixed 20mm focal length, while great for wide shots, lacks the versatility of a zoom lens.
  • Designed specifically for Sony E-Mount, limiting direct use on other camera systems without adapters.
  • Manual focus operation might be a challenge for users accustomed to autofocus systems, especially in fast-paced shooting.
  • The T-stop aperture rating, while precise for cine use, may be less intuitive for photographers used to f-stop ratings.

Frequently Asked Questions

Yes, this Rokinon Cine lens is designed to be compatible with both full frame and APS-C DSLR cameras.
The Rokinon DS20M-NEX features a wide aperture range from T1.8 to T23, offering significant control over depth of field and performance in various lighting conditions.
Yes, the lens is constructed with Ultra Multi Coated (UMC) glass, which helps to reduce flare and ghosting for clearer images.
The minimum focusing distance for the Rokinon DS20M-NEX 20mm T1.9 Cine Lens is 0.66 feet.
Absolutely, as a Cine lens, it features unified gears with all Rokinon Cine DS lenses, making it ideal for smooth focus and aperture adjustments during video recording.

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