Rokinon 50mm T1.5 AS UMC Cine DS Lens for Nikon F Mount

BH #RO5015TN • MFR #DS50M-N
Rokinon
Key Features
  • F Mount Lens/FX Format
  • Aperture Range: T1.5 - T22
  • One Aspherical, One Hybrid Asph. Element
  • Manual Focus and Aperture
The 50mm T1.5 AS UMC Cine DS Lens for Nikon F Mount 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.
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Rokinon 50mm T1.5 Cine DS Overview

The 50mm T1.5 AS UMC Cine DS Lens for Nikon F Mount 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.

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.

Standard length manual focus prime lens for F mount cameras.
Functional as still photo lens but 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. The 50mm T1.5 is part of the DS series of cine lenses, sharing characteristics and features that unify the series and make it easier for users to swap out lenses when shooting video. Each DS lens provides aligned focus and aperture rings so that readjustment of the follow focus is not necessary when switching lenses. Also each lens has been tested to match color and contrast for a consistent look and less potential post-processing. Finally, all DS lenses print focus scales on each side of the lens barrel for ease of use from both sides of the camera.
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.
Lens multi-coating improves light transmission and reduces flare and ghosting.
Minimum focus distance of 1.5'
Filter thread diameter of 77mm
UPC: 084438763331

Rokinon 50mm T1.5 Cine DS Specs

Focal Length50mm
Lens MountNikon F
FormatFull Frame
Maximum T-StopT1.5
Minimum T-StopT22
Diagonal Angle of ViewFull Frame: 46.2°
Minimum Focus DistanceFrom : 1.5' / 0.45 m
Optical Design9 Elements in 6 Groups
Iris Blades8
Gear MOD & PitchFocus: 0.8 MOD / 32 Pitch
Iris: 0.8 MOD / 32 Pitch
Filter Thread77 mm
Dimensions (W x H)3.2 x 3.2" / 81.3 x 81.3 mm
Length2.8" / 72.2 mm
Weight19.6 oz / 555 g
Packaging Info
Package Weight1.6 lb
Box Dimensions (LxWxH)6.3 x 5.2 x 5"
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YOUR RECENTLY VIEWED ITEMS

question

will nikon D5300 meter with this lens?
Asked by: Syukri
With your D5300, you can use the light meter with this lens and all other manual lenses. Be in either Manual or Aperture mode. Press the shutter button halfway, adjust the lens aperture manually until the arrow is in the middle of the scale. Mind your ISO and shutter speed.
Answered by: Dennis A L.
Date published: 2018-08-25

is this mean that I do not need metabones to ...

is this mean that I do not need metabones to using this lens? since its already for MFT?
Asked by: Indra
Correct, this is an MFT mount. Connecting directly to a typical MFT base should get you close to a 100mm focal length range equivalent. If you were looking for this to be 50mm equivalent it would need some sort of metabones reducer, and maybe a different mount type lens to go with that to achieve it
Answered by: Anonymous
Date published: 2019-07-04

question

Comparing the specs of this lens and the Rokinon 50mm f/1.4 AS IF UMC Lens, is there much difference between the two other than their minimum focusing distance? I.e. What's the reason for this lens being close to $200 more expensive than its AS IF sibling? Cheers.
Asked by: Xuhearn
Rokinon Cine-DS lenses have focus and iris gears.The lenses are an excellent option for budget cinematographers and those just getting into motion picture work that need a fast, high quality solution. Originally these primes were designed as manual focus photography lenses by a company called Samyang, then released under different brands in different markets, Rokinon being the primary US brand. While youll still find Samyang, Bower, Vivitar, and others in the US they are all essentially the same lens. Rokinon remains the most popular US brand of these South Korean prime lenses.I am very satisfied with my 5 different Rokinon Cine DS lensesThe cheaper ones are for Digital Photo.
Answered by: Leif Rune S.
Date published: 2018-08-25

question

What is the focal length equivalent for Super 35mm CMOS on Canon EOS C100 Mark II?
Asked by: Jerry D.
Super35 is, for all intents and purposes, has the same angle of view as APS-C. With both of these, there is a 1.6 difference in their angle of view as compared to Full Frame. So on the C100's Super35 sensor a 50mm will have about the same angle of view of an 80mm lens on a Full Frame sensor.
Answered by: Dennis A L.
Date published: 2018-08-25

Can I use this with a Blackmagic Pocket Cinema 4K ...

Can I use this with a Blackmagic Pocket Cinema 4K or do I need an adapter ring of some sort?
Asked by: Ryan
This is an EF mount lens and the Pocket Cinema Camera 4K has an MFT mount. You would want the Rokinon 50mm T1.5 AS UMC Cine DS Lens for Micro Four Thirds instead, BH #RO5015M43. https://bhpho.to/2Zfkf2g
Answered by: Joseph
Date published: 2020-09-07

How will this work with a blackmagic pocket ...

How will this work with a blackmagic pocket cinema 4K?
Asked by: Brad
This has become one of my favorites lenses whenever working with my Micro 43 cameras. It works flawlessly with the BMPCC4K, great fit and amazing images, color, and bokeh.
Answered by: Alvin
Date published: 2021-08-04

question

How long is the focus throw?
Asked by: Zachary P.
It looks to be about 1/2 half of a rotation or about 160 degrees.
Answered by: Dennis A L.
Date published: 2018-08-25

question

what is the Maximum Reproduction Ratio?
Asked by: Dana M.
That is a spec usually only found on Macro Lenses, which this lens is not. However we do offer the Rokinon 100mm f/2.8 Macro Lens for Canon EF which has a 1:1 ratio, B&H # RO10028C.https://bhpho.to/2lVmiEr
Answered by: Joseph P.
Date published: 2018-08-25
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