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Rokinon 50mm Cine DS T1.5 Prime - Canon EF Mount

Abel Code: ROK-DS50M-C
Mfr. Code: DS50M-C
In Stock
Available In Store | NY
This 50mm Cine DS prime lens features T1.5, a lens coating to reduce glare, and accepts a 77mm threaded filter.
Key Highlights
  • Lens coating reduces glare
  • Dual sided aperture & focus scales
  • Accepts 77mm threaded filter rings


The 50mm T1.5 AS UMC Cine DS Lens from Rokinon is a fast manual focus prime lens. It provides a very fast maximum aperture of T1.5 for effective low light capture and shallow depth of field control and an 8 blade iris for attractive bokeh. Optimized for cinema and video applications, the focus and aperture control rings are outfitted with industry standard gearing, which provides an interface for working with a traditional follow focus. The aperture control ring has also been de-clicked, which enables smooth iris pulls. In addition, bright aperture and distance markings are printed on the lens barrel facing laterally to facilitate easier control by a focus puller.

Internal focusing on this 50mm lens minimizes the effects of lens breathing, which ensures a more consistent angle-of-view when adjusting focus. The lens is composed of 9 elements in 6 groups, including one aspherical element and one hybrid aspherical element to reduce aberrations. In addition, a lens multi-coating (the UMC in the product title) helps to improve light transmission reducing flare and ghosting. 

With this 50mm lens, Rokinon introduces the DS series of cinema lenses, unifying their cine lenses in more than just name. Each of the DS branded lenses will offer the same alignment of their geared focus and aperture rings so that follow focus and other rig accessories won't need re-adjustment when swapping lenses. Also, each DS lens is tested to color match other lenses in the series. 

Functional as a still photo lens yet optimized for cinema and video shooting with geared aperture and focus rings, de-clicked aperture for smooth exposure transitions and laterally printed aperture and distance markings. 

  • Standard length manual focus prime lens for EF mount cameras.
  • Very fast T1.5 maximum aperture for effective low light capture and shallow depth of field.
  • Internal focusing system with 9 lens elements in 6 groups.
  • One aspherical and one hybrid aspherical lens element control aberrations and improve sharpness throughout the frame.
  • UMC Lens multi-coating improves light transmission and reduces flare and ghosting.
  • Minimum focus distance of 1.5'
  • Filter thread diameter of 77mm

What's in the Box

  • Lens Pouch
  • Rear Lens Cap
  • Front Lens Cap
  • Rokinon 50mm Cine DS T1.5 Prime - Canon EF Mount
  • Removable petal lens hood


Key Highlights

  • Lens coating reduces glare
  • Dual sided aperture & focus scales
  • Accepts 77mm threaded filter rings
  • Manual focus
  • EF Mount

Lens Characteristics

Prime or Zoom:
Lens Mount:
Focus Scale:
Feet - Imperial
Blade Count:
Filter Thread Size:
Fixed Focal Length:
Max Dimensions (Diameter x Length):
3.2" x 2.9" - (81.6 x 74.7 mm)
Aperture Range:
T1.5 - T22
Minimum Focus Distance:
17.7" (0.45m)
Max Angle of View:


5.2 in
5.1 in
6.2 in
1.65 lb
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