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50mm T1.5 Full Frame Wide Angle Cine DS

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  • Micro Four Thirds Format Lens

  • 100mm (35mm Equivalent on MFT)

  • Aperture Range: T1.5 - T22

  • One Aspherical, One Hybrid Asph. Element

  • Manual Focus and Aperture

  • Geared Focus and Aperture Control Rings

  • De-Clicked Aperture Control Ring

  • Lateral Aperture and Distance Markings

  • UMC Lens Multi-Coating

  • Minimum Focus Distance of 1.5'

The 50mm T1.5 AS UMC Cine DS Lens for Micro Four Thirds from Rokinon is a fast manual focus prime lens. When used on Micro Four Thirds format cameras it offers a 35mm equivalent focal length of 100mm, pushing it into a telephoto angle of view. 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.

The 50mm has a minimum focus distance of 1.5'. Internal focusing minimizes the effects of lens breathing, which insures 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 helps to improve light transmission reducing flare and ghosting. The filter thread diameter is 77mm.

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 be color matched with the other lenses in the series and provide the same color and contrast when shooting video. Lastly, the lenses are marked with focusing scales on each side of the barrel for easier adjustment from either side of the camera.

  • Ultra Multi Coated lenses minimize flare and ghosting, and the lenses are color matched to a standard eliminating the need to acquire an entire set of lenses at the same time.

  • Industry-standard gearing for focus and aperture rings. Each lens in the Rokinon DS series share common focus and iris gear ring positions, which speeds up lens changes as accessories such as follow focus units or iris motors don't have to be re-positioned.

  • "Declicked" aperture ring for smooth iris pulls.

  • A minimum focusing distance of 12" allows you to get up close to your subject.

  • A removable petal-type lens hood provides flare protection without a matte box.

  • The lens opens up to T1.5, providing the capability for low light shooting or creating extremely shallow depth of field.

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