Rokinon 50mm T1.5 AS UMC Cine DS Lens for Canon EF Mount

Rokinon 50mm T1.5 AS UMC Cine DS Lens for Canon EF Mount

Rokinon 50mm T1.5 AS UMC Cine DS Lens for Canon EF Mount

B&H # RO5015TC MFR # DS50M-C
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Product Highlights

  • EF Mount Lens/Full Frame Format
  • 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'
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Reg. Price: $549.00

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  • 1Description

The 50mm T1.5 AS UMC Cine DS Lens for Canon EF 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 EF 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: 084438763324
In the Box
Rokinon 50mm T1.5 AS UMC Cine DS Lens for Canon EF Mount
  • Front Lens Cap
  • Rear Lens Cap
  • Removable Petal-Style Lens Hood
  • Soft Case
  • Limited 1-Year Worldwide Warranty
  • Table of Contents
    • 1Description
    Focal Length 50mm
    Lens Mount Canon EF
    Format Full Frame
    Image Circle Not Specified by Manufacturer
    Maximum T-Stop T1.5
    Minimum T-Stop T22
    Diagonal Angle of View Full Frame: 46.2°
    Minimum Focus Distance from Image Plane 1.5' / 0.45 m
    Optical Design 9 Elements in 6 Groups
    Iris Blades 8
    Gear MOD & Pitch Focus: 0.8 MOD / 32 Pitch
    Iris: 0.8 MOD / 32 Pitch
    Front Diameter Not Specified by Manufacturer
    Filter Thread 77 mm
    Focus Scales Not Specified by Manufacturer
    Electronic Communication Not Specified by Manufacturer
    Tripod Mounting Thread Not Specified by Manufacturer
    Dimensions (W x H) 3.2 x 3.2" / 81.3 x 81.3 mm
    Length 2.9" / 74.7 mm
    Weight 20.3 oz / 575 g
    Packaging Info
    Package Weight 1.65 lb
    Box Dimensions (LxWxH) 6.2 x 5.2 x 5.1"
    50mm T1.5 AS UMC Cine DS Lens for Canon EF Mount is rated 4.7 out of 5 by 60.
    Rated 5 out of 5 by from Unbeatable for price First Rokinon I have owned and very impressed. I have only had it a week but already proved it's worth. Turned a sterile office environment into a visually pleasing backdrop with it's large DOF drop-off. Shooting 4K with a Sony FS7, simply outstanding and have since purchased more Rokinon lenses. The hood still has some issues but I believe the DS ones are an improvement on the others. It's not a CP2, but struggling to tell the difference between this and my Canon L series glass.
    Date published: 2016-03-14
    Rated 5 out of 5 by from Appended review - test images Updating my previous review of the Rokinon lenses. I did some quick testing of the Rok 50mm cine on a Canon 50D. It's a smaller sensor than the 5D mk3, but it gives you an idea of what it looks like. These images were only lightly edited in Adobe LR 5.7 to correct WB and exposure. I added a little saturation back into the flat picture profile I use for my Canons. I DID NOT add sharpness, noise reduction, clarity or adjust highlights or shadows. The apertures used were mostly from 1.5 to 2.8. I handheld the camera at shutter speeds between 1/30 and 1/60, so they may not be quite as sharp as on a tripod. The ISO was 640 for most of the images. The Canon 50D has more noise than the 5D mark 2/3, but it still looks good, IMO.
    Date published: 2015-01-07
    Rated 5 out of 5 by from I've been waiting for the 50mm cine I just ordered this lens, so it's not in-hand yet. However, I have the 24mm, 35mm, 85mm and the 8mm cine lenses. I would buy the new 16mm, but I've got the Canon 16-35mm, which is more versatile. I use the 85mm more than the others, given that I have plenty of coverage with my Canon 24-105mm and 70-200mm. What I did not have was a 50mm prime. Truly, I was waiting for the Rokinon (a long time, obviously). I love the declicked aperture. The focus ring is smooth, not stiff, so you're less likely to jar the rig even if you're rotating with your hand. The image quality is everything you want it to be and more, IMO. The blur and bokeh is soft and smooth, takes editing well. The light bokeh is real nice as well.
    Date published: 2015-01-04
    Rated 5 out of 5 by from Great lens. Amazing price Rokinon (samyang) or whatever -- are redefining lens with these cine lens. I'm hard pressed to see any reason to spend four times as much for something else. It's a cine lens - so no info is being sent to the camera - all focus and iris control is completely manual and on the lens. It has a decent throw, declicked, etc - focus marks are easy to hit. It's a good sized lens, however it's nearly a LB lighter than the Canon equivalent -- though much larger and heavier that the Canon's nifty-fifty (which, for $ is pretty great).It's fast(T1.5), has nice bokeh... what's not to like?
    Date published: 2014-10-19
    Rated 5 out of 5 by from Hard to beat it's been said before a million times what a great value this entire line is. Yes 1.5 isn't the sharpest and there's breathing and there's some CA below 2.2 you have to be cognizant of, all things that are present in much more expensive cine lenses also. I had an extended opportunity to test against the Veydra 50mm and other than build quality they are almost a dead match. i do wish the focus throw was a bit longer but compared to dslr lenses it's definitely a longer throw. The images above 2.8 are as sharp as you can get and though manual focus for stills takes some practice, once you get the hang of it you won't really miss auto focus. I remember a day when manual focus was all we had and thought auto focus was a gimmick for amateurs. Going back to manual focus for stills is actually refreshing. But what impressed me the most about the entire line is consistency of the images between lenses. I picked up a 35mm well over a year ago and just recently added a 25, 50 and 85. The sharpness, contrast and color between all 4 lenses is exactly identical. I tested and pixel peeped for days and honestly there was no difference in looks between the lenses, anyone whose had to mix glass and focal lengths during a scene will know the issues that brings up in post. Testing in 4K on my a7rii it looked like one lens and me just getting closer and closer. That alone for my purposes makes it well worth the money.
    Date published: 2016-03-27
    Rated 5 out of 5 by from perfect starter cine lens i use this for small scale indie filming with a sony A7SII and a metabones mark IV adapter.in terms of overall quality, this is definitely a cheap professional lens, not an amateur lens.it's well built, it renders a very sharp picture, and it doesn't break the bank. is it the most perfect, most gorgeous lens ever? no, of course not. the focus breathes a little bit as you rack it, the focus and aperture rings aren't quite as tight as you might want them, the lens cap is fine but not really perfectly grippy... but it's more than good enough, it's flat out good. it would still be a deal at twice the price.until you can justify spending $$on a prime, this is a great way to go.
    Date published: 2015-11-25
    Rated 5 out of 5 by from ONE OF TOP ROK PRIMES I produce indie film. I purchased this lens as part of the four lens DS bundle. I know this is a favorite among Rokinon owners, and I agree. It just seems to be sharper than the others for some reason. It just looks great. T1.5 is amazing at this price point, and of course I'm always reaching for the ND knob on the FS7 during daytime shooting. It seems kind of compact to me compared to the 35mm, but on a smaller camera it would probably seem big. The nice thing about the set is you essentially pay for three lenses and get the 85mm for free. This little guy never fails to impress me when I use it.
    Date published: 2015-08-15
    Rated 4 out of 5 by from Optically excellent difficult to master The unprecedented quality of this lens really amazed me as a photographer. I took this lens to make photos mainly and not video and i wasn't disappointed. The infinity focus is not really good so i won't use this lens for landscape photography although it's focal length doesn't really adapted to it anyways. It is not by far the sharpest ever lens on the market, but in it's price tag and optical and build quality it is sure that it doesn't have a competition. For me, I will defiantly use it in every paid or not paid project or occasion i have.
    Date published: 2016-03-01
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