PRODUCT

Superb Resolution & Gorgeous Bokeh

Made For Expression

AF 135mm F1.8 FE

Since portability is so important factor
as it is a lens that is often used for portraits with shallow depth of field,
we had to take the optical design, mechanism design, and electronics skills
to the highest level in order to create a high-class telephoto prime lens.

작성자 R&D Engineer / Hanjei Lee
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Made For Expression

Samyang Optics is releasing the MF 135mm, a representative telephoto lens that has been loved for its excellent resolution since its launch in 2015, as an AF lens to commemorate the 50th anniversary of its release. Typically, MF 135mm F2 lens has been loved as a lens for portrait photography thanks to its beautiful background expression, but over time, the MF 135mm went beyond portrait photography and became more popular for landscape and astrophotography with superb resolution at a bright maximum aperture. Introducing the Samyang Telephoto AF 135mm F1.8 FE, equipped with outstanding optical performance that has been recognized for over 50 years, AF performance that has been steadily evolving, and convenience features.

1. Superb resolution and light in weight with the newly designed optical system
2. Ultra-precision Aspherical lens offering a soft and beautiful bokeh
3. Focus Range Limiter useful for shooting portraits and close-ups
4. Optimized function for astrophotography - Astro-Focus Mode and LED index







Excellent Expression of F1.8 Telephoto Prime Lens

  • Superb Resolution
    in Lightweight 135mm

    Not only outstanding resolution but also weight is important when shooting portraits. Especially in a handheld shooting environment, the benefit of the lightweight lens is huge, so innovative technology was needed to combine resolution and weight at the same time. The Samyang AF 135mm F1.8 FE is lighter than other 135mm lenses compatible with full-frame Sony FE mount, but it realizes overwhelming resolution in the entire image area and expresses the subject with clear image quality. You can capture the subject's details from the fluttering hairs of models to the twinkling of nebulae light-years away with unprecedented resolution!


  • Amazing Performance from Samyang's Advanced Optical Design

    An optimum resolution is achieved through the optical design of 6 special glasses(3 ED, 2 HR, and 1 U-ASP) among 13 elements in 11 groups. Three extra low-dispersion lenses (ED) produce clear image quality effectively controlling chromatic aberration. Equipped with two high refractive lenses (HR) with excellent refractive index and an ultra-precision aspherical lens (UA), deliver excellent sharpness and contrast in all areas of the image.


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  • Extremely Narrow Depth of Field and Breathtaking Bokeh

    • Gorgeous Bokeh

      The AF 135mm F1.8 FE uses a large-diameter aperture to provide smooth background blur. It effectively separates the subject from the background, using a shallow depth of field. Also, it is equipped with UA(Ultra-precision Aspherical) lens, so you can enjoy the natural and refined bokeh. Using this smooth bokeh, you can freely create your images highlighting your subject!


    • Short Minimum Focusing Distance

      Although it is a 135mm telephoto lens that effectively controls aberration at all focusing distances has made it possible to achieve a minimum focus distance of just 0.69 meters (2.26 ft) and a maximum magnification of 0.243x for close-up photography. Small accessories and other subjects can be captured with remarkable resolution and soft, beautiful background bokeh.


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    • Lens for Both Photographers and Videographers

      • Advanced Fast and Quiet AF
        for Stills and Movies

        Tracking the subject accurately and quickly, the AF also operates quietly and smoothly when shooting video. Samyang's Linear STM (Stepping Motor) satisfies both photographers and videographers with quieter and more accurate control of the focusing lens groups. The optical design minimizes focus breathing, which is especially advantageous for video recording. There is almost no change in the angle of view when adjusting the focus from close focus to infinity, so you can experience professional cinematic effects during shooting video with the subject moving forward or backward, or focusing from the front or back.

      • Enhanced Usability with Various Features

      • Customized Buttons to Maximize the Operability and Reliability

        The AF 135mm F1.8 FE features 3 different customized buttons such as Focus Hold Button, Custom Switch, and Focus Range Limiter Switch to enhance usability.

        Focus Hold Button
        Pressing this button on the lens will keep the lens locked to that focusing distance. You can assign functions such as Eye AF in settings on the camera body.

        Custom Switch
        There is a custom switch, which can be set to allow adjustment of the aperture silently by rotating the focus ring. Using the optional Lens Station, you can set up the mode to suit your own preference*.
        *More functions will be added through firmware updates in the future.

        Focus Range Limiter Switch
        The Focus Range Limiter only operates in AF mode.
        • It is useful when the distance from an object has been determined.
        • Move the Focus Range Limiter forward or backward to select the focus range.
        - FULL: The AF range is set to infinity at a minimum focus distance of 0.69m.
         (AF search may take slightly longer.)
        - 0.69m - 2m: The AF range is set between 0.69m and 2m, which is suitable for close-up shooting.
        - 1.5m - ∞: The AF range is set from 1.5m to infinity, which is suitable for normal shooting.


      • Modern Design & Weather Sealing

        The AF 135mm F1.8 FE has been developed and enhanced, taking into consideration not only the design features but also the user's shooting environment. It has a micro-patterned rubber focus ring, which feels great to operate and the weather-sealing protects the lens from light rain, snow, and dust. You can easily tell the Astro-Focus Mode status with the LED Index when shooting at night.

Technical Information
  • Specifications
    Model Name AF 135mm F1.8 FE
    Aperture Range F1.8 ~ 22
    Lens Optical Construction 13 Elements in 11 Groups
    Special Lens U-ASP 1, HR 2 , ED 3
    Coating UMC
    Minimum Focusing Distance 0.69m (2.26ft)
    Magnification Ratio x 0.243
    Filter Size (mm) Φ 82.0
    Maximum Diameter (mm) Φ 93.4
    Number of Blades 11
    Mount Sony FE
    Angle of view Full Frame 18.9˚
    APS-C 12.5˚
    Length 129.6mm / 5.1in
    Weight 772g / 27.2oz
    Weather Sealing O
    Custom Mode Switch O
    Focus Hold Button O
    Focus-range Limiter O
    AF Motor Linear STM

  • MTF Chart 





  • Optical Construction 





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Samyang’s Guide to Achieving the Optimal Angle of View

The perfect spacing and distance are always necessary when shooting all kinds of subjects, including people, to give them a proper relationship with the beautiful space around them. So, what’s the exact distance that helps you best appreciate a work of art, or a photo?

The correct answer is the diagonal length of the full frame of a subject.

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표준화각 자료 이미지

The best standpoint from which to appreciate the full view of a subject is the distance of the diagonal length of the subject frame. This wider angle is superior to standing closer at a 50 degree angle to get a more detailed view. This notion of an ideal distance or view point is also applicable in the world of photography.

For still images, keeping a distance equal to the diagonal length of the full image surface is recommended. The full frame sensor of a digital camera is 36 x 24mm and the diagonal length is 43.26mm so any distance close to this number is nearer to the ideal than the currently accepted industry standard of 50mm.

Back when film cameras were common, 45mm was the industry standard and this continued as reflex cameras needed extra space to fit a mirror. However, as mirrorless cameras become more popular again, there has been a need to return to this industry standard…which is the impetus for the Samyang AF 45mm F1.8 FE. With less distortion than a 35mm lens and wider angles than a 55mm lens, the Samyang AF 45mm F1.8 FE is a perfect lens for portraits, landscapes, architecture photography, and pictures of pets.

DSLR / Full Frame
1D X Mark Ⅱ
1D X
1Ds Mark Ⅲ
1Ds
5DsR
5Ds
5D Mark Ⅳ
5D Mark Ⅲ
6D Mark Ⅱ
6D
DSLR / APS-H
1D Mark Ⅲ
1D
Mirrorless / APS-C
M6
M5
M10
M3
M2
DSLR / APS-S
7D Mark Ⅱ
7D
80D
70D
60D
30D
D60
D30
77D (9000D)
760D (8000D / Rebel T6s)
1300D (Kiss X80 / Rebel T6)
1200D (Kiss X70 / Rebel T5)
200D (Kiss X9 / Rebel SL2)
800D (Kiss X9i / Rebel T7i)
700D (Kiss X9i / Rebel T7i)
100D (Kiss X7 / Rebel SL1)
650D (Kiss X6i / Rebel T4i)
600D (Kiss X5 / Rebel T3i)
550D (Kiss X4 / Rebel T2i)
500D (Kiss X3 / Rebel T1i)
1000D (Kiss F / Rebel XS)
450D (Kiss X2 / Rebel X냐)
DSLR / Full Frame
D850
D5
D810A
D4S
D810
D750
Df
D610
D4
D800
D800E
D600
D3s
D3x
D700
D3
DSLR / APS-C
D7500
D3400
D500
D5600
D7200
D5500
D3300
D7100
D5300
D5200
D7000
D300s
D300
DSLR / Full Frame
Z6
Z7
D810A
D4S
D750
D810A
DSLR / APS-C
D7200
D500
D3300
D5500
D5600
D3400
D7500

* Cameras released within 5 years from 2019 are tested.

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