Photography News

New Samyang AF 135mm F1.8 Sony FE – A Lens Made For Expression

Samyang AF 135mm F1.8 Lens

The Samyang AF 135mm F1.8 Lens, delivers outstanding corner-to-corner resolution making it one of Samyang’s most advanced optically produced large-aperture prime telephoto lenses.

The Samyang MF 135mm F2.0 ED UMC is a telephoto lens that has been loved by many people for its excellent resolution since its launch in 2015. Typically, it was admired as a lens for portrait photography, but over time, the MF 135mm went beyond portraits and also became popular for shooting landscapes and astrophotography. Accordingly, Samyang Optics has decided to release an AF evolution of this lens, adding convenience for every user and genre of photography.

Samyang Corporation, which recently expanded its autofocus F1.8 series line-up, has introduced the AF 135mm F1.8 FE lens, equipped with various additional functions to meet the new demands of many people who have used the existing MF 135mm F2.0 lens.

The new AF 135mm F1.8 FE telephoto lens is optimised for portraits, astrophotography, landscapes and video shooting. It includes popular features, such as Focus Lock Button and Custom Switch but also Samyang’s new Focus Range Limiter switch.

With Samyang’s announcement of the new AF 135mm F1.8 FE, it’s Auto Focus F1.8 FE series now includes 24mm, 35mm, 45mm, 75mm and 135mm focal lengths, completing the line-up, from wide-angle to telephoto.

  • AF 135mm F1.8 FE 45
  • AF 135mm F1.8 FE Top
  • AF 135mm F1.8 FE Side
  • AF 135mm F1.8 FE Mount
  • AF 135mm F1.8 FE Front hood
  • AF 135mm F1.8 FE Front scaled

Features of the Samyang AF 135mm F1.8 Lens – Sony FE

  • 135mm F1.8 prime lens with Superb Resolution
  • Extremely narrow depth of field and beautiful bokeh
  • Compact (129.6mm long) & Lightweight (772g)
  • Fast and Quiet Auto Focus with Samyang’s Linear STM
  • Excellent chromatic aberration (CA) control with 3 ED lens elements
  • Enhanced usability with Custom Switch, Focus Range Limiter and Focus Hold Button
  • Short (69cm) minimum focal distance
  • New modern design & Weather-Sealing
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Superb Resolution

Unsparing application of Samyang’s most advanced optical technologies has produced a large-aperture prime telephoto lens that delivers outstanding corner-to-corner resolution. The AF 135mm F1.8 FE delivers an 18.9˚ angle of view for full-frame and 12.5˚ for APS-C. It features a bright maximum aperture of F1.8, as favoured by full-frame camera users. In particular, the optimum resolution is achieved through the optical design of 13 elements in 11 groups (1 U-ASP, 2 HR and 3 ED). Combined with Sony’s full-frame image sensor, this lens delivers superior sharpness and contrast in all areas of the image.

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Able to deliver extremely narrow depth of field, with beautiful bokeh

The AF 135mm F1.8 FE uses a large-diameter aperture to provide smooth background blur. It effectively allows separation of the subject from the background, by using a shallow depth of field. Also, it is equipped with a UA (Ultra-precision Aspherical) lens, which delivers natural and refined bokeh. Using this smooth bokeh, you can freely create images highlighting your subjects against stunning backgrounds, whether shooting portraits, close-ups or even cityscapes.

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Fast and quiet auto focus performance

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.

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Short minimum focal distance of 0.69m

Although this is a 135mm telephoto, Samyang has managed to effectively control aberration at all focusing distances. It has also achieved a minimum focus distance of just 69cm (2.26ft) and a maximum magnification of 0.243x for close-up photography. Small accessories and other subjects can be captured with remarkable resolution and beautiful, soft background bokeh.

Enhanced operability and reliability

Important features include customisable: Focus Hold button, Custom Switch and Focus Range Limiter. Overall, this is a lens that meets and exceeds professional requirement for control and reliability, for both stills and movies.

  1. 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.
  2. 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)
  3. Focus Range Limiter switch
    The Focus Range Limiter only operates in AF mode, but can be useful to speed up focusing once the distance from an object has been determined:

The Focus Range Limiter is moved forward or backward to select the focus range as follows:

  • FULL: The AF range is set between infinity and the minimum focus distance of 0.69m.
  • 0.69m – 2m: The AF range is set between 0.69m and 2m, suitable for close-up shooting.
  • 1.5m – ∞: The AF range is set from 1.5m to infinity, which is suitable for normal shooting.

Samyang AF 135mm F1.8 Sample Images

Samyang AF 135mm F1.8 Specifications

Model NameAF 135mm F1.8 FE
Aperture RangeF1.8 ~ 22
Lens OpticalConstruction13 Elements in 11 Groups
Special LensU-ASP 1, HR 2 , ED 3
Minimum Focusing Distance0.69m (2.26ft)
Magnification Ratiox 0.243
Filter Size (mm)Φ 82.0
Maximum Diameter (mm)Φ 93.4
Number of Blades11
MountSony FE
Angle of viewFull Frame18.9˚
Length129.6mm / 5.1in
Weight772g / 27.2oz
Weather SealingO
Custom Mode SwitchO
Focus Hold ButtonO
Focus-range LimiterO
AF MotorLinear STM

For more in-depth specifications see hereFor more Samyang lenses see here.


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Is the third generation and the current owner who was born into the business, learning all about the new and used camera trade from his father Barry and grandfather Tom. He now has a highly qualified team who themselves are practising photographers with a combined experience of over 100 years. You can catch Owen and his team using either the live chat on the website or by emailing [email protected] or telephone 01223 368087.

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