Samyang AF 85mm F/1.4 RF / FE (Rokinon)

Short telephoto prime lens • Digital era

Features highlight

Ultra fast
4 HR
1 ED
9 blades
Dual Linear SSM
DP/WR

Specification

Production details
Announced:March 2019
Production status: In production (Sony E)
 Discontinued (Canon RF)
Production type:Mass production
Original name:<No information>
Optical design
Focal length:85mm
Speed:F/1.4
Maximum format:35mm full frame
Mount:Canon RF
Sony E
Diagonal angle of view:28.5° (35mm full frame)
18.9° (Sony E APS-C)
Lens construction:11 elements - 8 groups
4 HR, 1 ED
Diaphragm mechanism
Number of blades:9
Focusing
Closest focusing distance:0.9m
Maximum magnification ratio:1:9.1 at the closest focusing distance
Focusing method:<No information>
Focusing modes:Autofocus, manual focus
Manual focus control:Focusing ring
Autofocus motor:Dual Linear super sonic motor
Focus mode selector:None; focusing mode is set from the camera (Sony E)
AF - MF (Canon RF)
Manual focus override in autofocus mode:Determined by the camera
Optical Image Stabilizer (OIS)
Built-in OIS:-
Physical characteristics
Weight:568g (Sony E)
582g (Canon RF)
Maximum diameter x Length:⌀88×99.5mm (Sony E)
⌀88×99.5mm (Canon RF)
Weather sealing:Dust-proof and water-resistant barrel
Fluorine coating:-
Accessories
Filters:Screw-type 77mm
Lens hood:Bayonet-type (round)
Teleconverters:<No information>

*) Source of data: Manufacturer's technical data.

Manufacturer description #1

The AF 85mm F1.4 FE is inspired by the optical vision of the MF 85mm F1.4 AS IF UMC, which has been loved for its beautiful out-of-focus images since its launch in 2008: however, this new lens develops the original’s existing strengths with a much more advanced optical design, newly optimized for mirrorless cameras. This lens of great value and charm with high resolution encapsulates Samyang’s universally respected 40-year optical technology in your photographs.

The AF 85mm F1.4 FE cherishes Samyang’s world class optical technology while envisioning a new leap forward, with its quick and accurate autofocus performance and excellent resolution. Its complex optical construction is comprised of 11 glass elements, among which are special High Refractive (HR) glass, which successfully allow both a compact size and high image resolution. The achromatic design, incorporating Extra Low Dispersion (ED) glass, effectively corrects chromatic aberrations and minimizes peripheral softness, creating lively images in vivid colors.

The AF 85mm F1.4 FE’s optical design minimizes optical aberrations, while maximizing the image quality from corner to corner. Its detailed rendering results in exceptional image quality, even on the latest high-resolution full-frame cameras; and its bright maximum aperture means you can enjoy this excellent performance even when shooting indoors or in darker conditions.

The lens’s attractive bokeh, created through precise lens polishing, adds a great feeling of depth and space in your photographs. Also, its aperture mechanism comprises 9 precisely-controlled iris blades, providing natural, circular, out-of-focus highlights at all apertures. With this smooth bokeh, achieved through various optical technologies, you can create images full of character in your portrait or subject photography.

The short telephoto focal length, combined with the wide maximum aperture of f/1.4, enables photographers to achieve a dramatically shallow depth-of-field, setting your pictures apart from those taken with other lenses. This optic offers great creative freedom: it yields images with depth, while maintaining an appropriate distance from the subject; it separates subject and background naturally, providing an impressive visual feeling of depth.

The AF 85mm F1.4 FE features a total of 11 glass elements; the ED (Extra Low Dispersion) elements have been incorporated into its precise achromatic design. This design corrects chromatic aberrations, and creates quality results, with peripheral softness also being well-controlled.

Four HR (High Refractive) elements, made of special materials with an outstanding refractive index, improve optical performance and enable a compact optical design. The AF 85mm F1.4 FE was designed from the ground-up with this technology, to lessen its users’ burden with a shorter length and smaller size.

DLSM (Dual Linear Sonic Motor) works with ultrasonic vibrations, which cannot be heard by human ears, to successfully give a silent autofocus performance. The accurate high frequency signals, controlled with Samyang’s own protocols, precisely operate the DLSM. Specialists in optics, mechanical engineering, and electronics, have researched cooperatively to give these powerful results for a short telephoto lens. The introduction of DLSM technology on an 85mm lens means you can comfortably and silently capture the subjects you want, with quick efficiency.

The aluminum body, designed with precision by mechanical engineering specialists, has only three spaces in its basic design. Weather sealing covers even these small spaces to effectively protect the lens from dust and rain. This protective design enables users to capture the moment outdoors in any environment, providing the dependability you need to keep shooting.

Samyang’s Ultra Multi Coating (UMC) technology is applied through a thorough cleaning process, followed by Ion-Beam Sputtering (IBS), which controls the spread of reflections while still enabling a high transmittance of light. This UMC technology reduces unwanted reflections and provides crystal clear image quality, minimizing flare and ghosting effects in high contrast environments, such as backlit pictures and nightscapes.

The AF 85mm F1.4 FE is a medium-telephoto lens with a very bright aperture. Thanks to its compact optical design and aluminum construction, it can be contained within a small and lightweight body, enabling photographers to carry and handle a lens of this type with ease.

Manufacturer description #2

Join the new generation. Samyang has been one of the early birds in introducing compact and lightweight full frame mirrorless lenses for RF mount. Along with the TIPA awarded AF 14mm F2.8 RF, the new AF 85mm F1.4 RF opens a new door of options to Canon EOS R camera users. Enjoy outstanding image quality and accurate, silent autofocusing.

To meet the rising needs of photographers using RF mount, Samyang introduces AF 85mm F1.4 RF. This new lens delivers beautiful bokeh, outstanding image quality and reliable autofocusing. Smooth bokeh and bright F1.4 aperture creates perfect portraits. Also, the AF/MF switch enables you to be in control and capture the finest details.

Samyang’s RF series is known for its outstanding image quality, since the AF 14mm F2.8 RF was awarded the prestigious TIPA award in 2020 as ‘best mirrorless prime wide-angle lens.’ The new AF 85mm RF also makes no compromise in image quality: A total of 11 elements in 8 groups, with 4 high-refractive (HR) optics and an extra low-dispersion (ED) lens, have been designed to create impressive image quality from corner to corner.

Exceptional bokeh is presented with the knowhow of Samyang’s optical design. The smooth bokeh adds depth and a three dimensional feeling to your portraits. 9 aperture blades provide natural, circular bokeh with a fantastic out-of-focus effect that is pleasing to the eye.

Shallow depth of focus smoothly blurs the background and highlights the story of the subject. The 85mm focal length, combined with the wide maximum aperture of f/1.4, enables photographers to achieve a dramatically shallow depth-of-field. This optic offers great creative freedom: it yields images with depth, while maintaining an appropriate distance from the subject; it separates subject and background naturally, providing an impressive visual feeling of depth.

DLSM (Dual Linear Sonic Motor) works with ultrasonic vibrations, which cannot be heard by human ears, to successfully give a silent autofocus performance. The accurate high frequency signals, controlled with Samyang’s own protocols, precisely operate the DLSM. Specialists in optics, mechanical engineering, and electronics, have researched cooperatively to give these powerful results for a short telephoto lens. The introduction of DLSM technology on an 85mm lens means you can comfortably and silently capture the subjects you want, with quick efficiency.

Samyang’s Ultra Multi Coating (UMC) technology is applied through a thorough cleaning process, followed by Ion-Beam Sputtering (IBS), which controls the spread of reflections while still enabling a high transmittance of light. This UMC technology reduces unwanted reflections and provides crystal clear image quality, minimizing flare and ghosting effects in high contrast environments, such as backlit pictures and nightscapes.

Pioneering new territory, this lens is packed with features: Weather sealing protects the lens from dust, light rain and snow and provides the ability to capture stunning images in less than perfect conditions. Also, the AF/MF switch enables you to be in control and capture the finest details. You can enjoy the freedom of photographic expression, with all the latest functions.

Thanks to its compact optical design and aluminum construction, AF 85mm F1.4 RF lens comes in a compact design suitable for mirrorless cameras. The length is less than 10cm and it weighs 582g without lens cap and hood, enabling photographers to capture unforgettable moments anywhere, anytime with portable lens.

From the editor

Sony E-mount version was announced in March 2019, while Canon RF-mount version in May 2020. Samyang suddenly removed all RF-mount lenses from their main website in June 2021. The reasons for the shutdown of production are unknown.

Typical application

portraits, photojournalism, weddings, parties, carnivals, live concerts, street, sports, travel

Notes and recommendations

  • The manufacturer of this lens does not provide adequate quality control. If you do decide to purchase this lens, do not order it online, but choose the best copy available in the store. In any case, there may also be problems with the build quality, and warranty repairs can take months.

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35mm full frame

43.27 24 36
  • Dimensions: 36 × 24mm
  • Aspect ratio: 3:2
  • Diagonal: 43.27mm

Travellers' choice

Note

Among autofocus lenses designed for 35mm full-frame mirrorless cameras only. Speed of standard and telephoto lenses is taken into account.

Professional lens (Top class)

One of the best fast short telephoto primes

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Image stabilizer

A technology used for reducing or even eliminating the effects of camera shake. Gyro sensors inside the lens detect camera shake and pass the data to a microcomputer. Then an image stabilization group of elements controlled by the microcomputer moves inside the lens and compensates camera shake in order to keep the image static on the imaging sensor or film.

The technology allows to increase the shutter speed by several stops and shoot handheld in such lighting conditions and at such focal lengths where without image stabilizer you have to use tripod, decrease the shutter speed and/or increase the ISO setting which can lead to blurry and noisy images.

Linear super sonic motor

Linear super sonic motor

AF - MF

AFAutofocus mode.
MFManual focus mode.

Aspherical elements

Aspherical elements (ASPH, XA, XGM) are used in wide-angle lenses for correction of distortion and in large-aperture lenses for correction of spherical aberration, astigmatism and coma, thus ensuring excellent sharpness and contrast even at fully open aperture. The effect of the aspherical element is determined by its position within the optical formula: the more the aspherical element moves away from the aperture stop, the more it influences distortion; close to the aperture stop it can be particularly used to correct spherical aberration. Aspherical element can substitute one or several regular spherical elements to achieve similar or better optical results, which allows to develop more compact and lightweight lenses.

Use of aspherical elements has its downsides: it leads to non-uniform rendering of out-of-focus highlights. This effect usually appears as "onion-like" texture of concentric rings or "wooly-like" texture and is caused by very slight defects in the surface of aspherical element. It is difficult to predict such effect, but usually it occurs when the highlights are small enough and far enough out of focus.

Low dispersion elements

Low dispersion elements (ED, LD, SD, UD etc) minimize chromatic aberrations and ensure excellent sharpness and contrast even at fully open aperture. This type of glass exhibits low refractive index, low dispersion, and exceptional partial dispersion characteristics compared to standard optical glass. Two lenses made of low dispersion glass offer almost the same performance as one fluorite lens.

Low dispersion elements

Low dispersion elements (ED, LD, SD, UD etc) minimize chromatic aberrations and ensure excellent sharpness and contrast even at fully open aperture. This type of glass exhibits low refractive index, low dispersion, and exceptional partial dispersion characteristics compared to standard optical glass. Two lenses made of low dispersion glass offer almost the same performance as one fluorite lens.

Canon's Super UD, Nikon's Super ED, Pentax' Super ED, Sigma's FLD ("F" Low Dispersion), Sony' Super ED and Tamron's XLD glasses are the highest level low dispersion glasses available with extremely high light transmission. These optical glasses have a performance equal to fluorite glass.

High-refraction low-dispersion elements

High-refraction low-dispersion elements (HLD) minimize chromatic aberrations and ensure excellent sharpness and contrast even at fully open aperture.

High Index, High Dispersion elements

High Index, High Dispersion elements (HID) minimize chromatic aberrations and ensure excellent sharpness and contrast even at fully open aperture.

Anomalous partial dispersion elements

Anomalous partial dispersion elements (AD) minimize chromatic aberrations and ensure excellent sharpness and contrast even at fully open aperture.

Fluorite elements

Synthetic fluorite elements (FL) minimize chromatic aberrations and ensure excellent sharpness and contrast even at fully open aperture. Compared with optical glass, fluorite lenses have a considerably lower refraction index, low dispersion and extraordinary partial dispersion, and high transmission of infrared and ultraviolet light. They are also significantly lighter than optical glass.

According to Nikon, fluorite easily cracks and is sensitive to temperature changes that can adversely affect focusing by altering the lens' refractive index. To avoid this, Canon, as the manufacturer most widely using fluorite in its telephoto lenses, never uses fluorite in the front and rear lens elements, and the white coating is applied to the lens barrels to reflect light and prevent the lens from overheating.

Short-wavelength refractive elements

High and specialized-dispersion elements (SR) refract light with wavelengths shorter than that of blue to achieve highly precise chromatic aberration compensation. This technology also results in smaller and lighter lenses.

Blue Spectrum Refractive Optics

Organic Blue Spectrum Refractive Optics material (BR Optics) placed between convex and concave elements made from conventional optical glass provides more efficient correction of longitudinal chromatic aberrations in comparison with conventional technology.

Diffraction elements

Diffraction elements (DO, PF) cancel chromatic aberrations at various wavelengths. This technology results in smaller and lighter lenses in comparison with traditional designs with no compromise in image quality.

High refractive index elements

High refractive index elements (HR, HRI, XR etc) minimize field curvature and spherical aberration. High refractive index element can substitute one or several regular elements to achieve similar or better optical results, which allows to develop more compact and lightweight lenses.

Apodization element

Apodization element (APD) is in fact a radial gradient filter. It practically does not change the characteristics of light beam passing through its central part but absorbs the light at the periphery. It sort of softens the edges of the aperture making the transition from foreground to background zone very smooth and results in very attractive, natural looking and silky smooth bokeh.

Original name

Lens name as indicated on the lens barrel (usually on the front ring). With lenses from film era, may vary slightly from batch to batch.

Format

Format refers to the shape and size of film or image sensor.

35mm is the common name of the 36x24mm film format or image sensor format. It has an aspect ratio of 3:2, and a diagonal measurement of approximately 43mm. The name originates with the total width of the 135 film which was the primary medium of the format prior to the invention of the full frame digital SLR. Historically the 35mm format was sometimes called small format to distinguish it from the medium and large formats.

APS-C is an image sensor format approximately equivalent in size to the film negatives of 25.1x16.7mm with an aspect ratio of 3:2.

Medium format is a film format or image sensor format larger than 36x24mm (35mm) but smaller than 4x5in (large format).

Angle of view

Angle of view describes the angular extent of a given scene that is imaged by a camera. It is used interchangeably with the more general term field of view.

As the focal length changes, the angle of view also changes. The shorter the focal length (eg 18mm), the wider the angle of view. Conversely, the longer the focal length (eg 55mm), the smaller the angle of view.

A camera's angle of view depends not only on the lens, but also on the sensor. Imaging sensors are sometimes smaller than 35mm film frame, and this causes the lens to have a narrower angle of view than with 35mm film, by a certain factor for each sensor (called the crop factor).

This website does not use the angles of view provided by lens manufacturers, but calculates them automatically by the following formula: 114.6 * arctan (21.622 / CF * FL),

where:

CF – crop-factor of a sensor,
FL – focal length of a lens.

Mount

A lens mount is an interface — mechanical and often also electrical — between a camera body and a lens.

A lens mount may be a screw-threaded type, a bayonet-type, or a breech-lock type. Modern camera lens mounts are of the bayonet type, because the bayonet mechanism precisely aligns mechanical and electrical features between lens and body, unlike screw-threaded mounts.

Lens mounts of competing manufacturers (Canon, Nikon, Pentax, Sony etc.) are always incompatible. In addition to the mechanical and electrical interface variations, the flange focal distance from the lens mount to the film or sensor can also be different.

Lens construction

Lens construction – a specific arrangement of elements and groups that make up the optical design, including type and size of elements, type of used materials etc.

Element - an individual piece of glass which makes up one component of a photographic lens. Photographic lenses are nearly always built up of multiple such elements.

Group – a cemented together pieces of glass which form a single unit or an individual piece of glass. The advantage is that there is no glass-air surfaces between cemented together pieces of glass, which reduces reflections.

Flange focal distance

The flange focal distance (FFD), sometimes called the "flange back", is the distance from the mechanical rear end surface of the lens mount to the focal plane.

Focal length

The focal length is the factor that determines the size of the image reproduced on the focal plane, picture angle which covers the area of the subject to be photographed, depth of field, etc.

Speed

The largest opening or stop at which a lens can be used is referred to as the speed of the lens. The larger the maximum aperture is, the faster the lens is considered to be. Lenses that offer a large maximum aperture are commonly referred to as fast lenses, and lenses with smaller maximum aperture are regarded as slow.

In low-light situations, having a wider maximum aperture means that you can shoot at a faster shutter speed or work at a lower ISO, or both.

Closest focusing distance

The minimum distance from the focal plane (film or sensor) to the subject where the lens is still able to focus.

Closest working distance

The distance from the front edge of the lens to the subject at the maximum magnification.

Magnification ratio

Determines how large the subject will appear in the final image. For example, a magnification ratio of 1:1 means that the image of the subject formed on the film or sensor will be the same size as the subject in real life. For this reason, a 1:1 ratio is often called "life-size".

Manual focus override in autofocus mode

Allows to perform final focusing manually after the camera has locked the focus automatically. Note that you don't have to switch camera and/or lens to manual focus mode.

Manual focus override in autofocus mode

Allows to perform final focusing manually after the camera has locked the focus automatically. Note that you don't have to switch camera and/or lens to manual focus mode.

Electronic manual focus override is performed in the following way: half-press the shutter button, wait until the camera has finished the autofocusing and then focus manually without releasing the shutter button using the focusing ring.

Electromagnetic diaphragm control system

Provides highly accurate diaphragm control and stable auto exposure performance during continuous shooting.

Number of blades

As a general rule, the more blades that are used to create the aperture opening in the lens, the rounder the out-of-focus highlights will be.

Some lenses are designed with curved diaphragm blades, so the roundness of the aperture comes not from the number of blades, but from their shape. However, the fewer blades the diaphragm has, the more difficult it is to form a circle, regardless of rounded edges.

At maximum aperture, the opening will be circular regardless of the number of blades.

Weight

Excluding case or pouch, caps and other detachable accessories (lens hood, close-up adapter, tripod adapter etc.).

Maximum diameter x Length

Excluding case or pouch, caps and other detachable accessories (lens hood, close-up adapter, tripod adapter etc.).

For lenses with collapsible design, the length is indicated for the working (retracted) state.

Weather sealing

A rubber material which is inserted in between each externally exposed part (manual focus and zoom rings, buttons, switch panels etc.) to ensure it is properly sealed against dust and moisture.

Lenses that accept front mounted filters typically do not have gaskets behind the filter mount. It is recommended to use a filter for complete weather resistance when desired.

Fluorine coating

Helps keep lenses clean by reducing the possibility of dust and dirt adhering to the lens and by facilitating cleaning should the need arise. Applied to the outer surface of the front and/or rear lens elements over multi-coatings.

Filters

Lens filters are accessories that can protect lenses from dirt and damage, enhance colors, minimize glare and reflections, and add creative effects to images.

Lens hood

A lens hood or lens shade is a device used on the end of a lens to block the sun or other light source in order to prevent glare and lens flare. Flare occurs when stray light strikes the front element of a lens and then bounces around within the lens. This stray light often comes from very bright light sources, such as the sun, bright studio lights, or a bright white background.

The geometry of the lens hood can vary from a plain cylindrical or conical section to a more complex shape, sometimes called a petal, tulip, or flower hood. This allows the lens hood to block stray light with the higher portions of the lens hood, while allowing more light into the corners of the image through the lowered portions of the hood.

Lens hoods are more prominent in long focus lenses because they have a smaller viewing angle than that of wide-angle lenses. For wide angle lenses, the length of the hood cannot be as long as those for telephoto lenses, as a longer hood would enter the wider field of view of the lens.

Lens hoods are often designed to fit onto the matching lens facing either forward, for normal use, or backwards, so that the hood may be stored with the lens without occupying much additional space. In addition, lens hoods can offer some degree of physical protection for the lens due to the hood extending farther than the lens itself.

Teleconverters

Teleconverters increase the effective focal length of lenses. They also usually maintain the closest focusing distance of lenses, thus increasing the magnification significantly. A lens combined with a teleconverter is normally smaller, lighter and cheaper than a "direct" telephoto lens of the same focal length and speed.

Teleconverters are a convenient way of enhancing telephoto capability, but it comes at a cost − reduced maximum aperture. Also, since teleconverters magnify every detail in the image, they logically also magnify residual aberrations of the lens.