PRODUCT

Capture Every Moment More Broadly

AF 12mm F2 RF-S

AF 12mm F2 RF-S

Capture every moment with a broader perspective using the RF-S mount 12mm ultra-wide angle lens.
The lens is Samyang's first RF-S lens, designed to be versatile
for various photography styles, including landscape, architecture, astrophotography, and travel.
With a user-friendly AF/MF switch for effortless operation, this lens delivers excellent resolution across
a wide range of areas, thanks to its five special lenses (including 1 H-ASP, 1 ASP and 3 ED lenses).
Discover the vast world with the AF 12mm F2 RF-S, which continues Samyang's legacy as the 'master of wide-angle' photography.

작성자 Product Planner / Dubin Kim
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Ultra-Wide Prime Lens
for RF-S Users

Samyang's highly anticipated RF mount lens has officially arrived, bringing an exceptional ultra-wide-angle option to Canon's RF-S prime lens lineup. The AF 12mm F2 RF-S delivers a dynamic and immersive shooting experience with its expansive field of view, while the bright aperture guarantees stunning clarity even in low-light conditions. It's designed to harmonize beautifully with your camera body, and weighing just 213g, it is lightweight and incredibly portable, making it the ideal companion for all your photographic adventures.







  • Go Wider Than Ever

    Capture the Beauty of Every Scene Around You

    Introducing the Samyang AF 12mm F2 RF-S, the widest prime lens designed for Canon RF-S users. This ultra-wide-angle lens opens up endless possibilities for capturing breathtaking landscapes, stunning architecture, beautiful astrophotography, and unforgettable travel moments.

  • Bright F2 Aperture for Outstanding Image Expression

    Day and Night, Always in Focus

    The AF 12mm F2 RF-S delivers sharpness across the entire frame, even in challenging low-light conditions. It uses three extra-low dispersion (3 ED) elements and two aspherical lenses (1 H-ASP, 1 ASP) to correct chromatic aberration, distortion, and sagittal coma, making it ideal for stunning nightscape photography.

  • Create More Dynamic Image

    The shallow depth of field effectively distinguishes the subject from the background, while the minimum focus distance of 0.2 meters lets you capture more dynamic images. You can expand your creative options with a more noticeable background blur compared to zoom lenses, and you'll appreciate the beautiful starburst effect produced by the seven aperture blades.

  • Accurate and Quite Auto Focus

    Featuring a Linear STM stepping motor, it delivers quiet and precise autofocus performance, enabling you to accurately and swiftly track your subject and capture every moment you desire.

  • Convenient Features and Premium Design

    Compact and Lightweight, Perfect Matches with Canon Camera

    The AF 12mm F2 RF-S is a compact and lightweight lens, measuring 57.2mm in length and weighing 213g. The lens is an ideal companion for outdoor photography, ensuring you can easily carry it wherever you go. With a sleek matte finish and an elegant red ring that catches the eye from different angles, this lens doesn’t just perform well; it also enhances the aesthetic appeal of your camera.

  • It’s simple, yet convenient

    The AF/MF switch is positioned on the lens's side, enabling photographers to swiftly and conveniently toggle between focus modes for various situations. This lens is constructed to be weather-sealed, providing protection against dust, light rain, and snow.

Technical Information
  • Specifications
    Model Name AF 12mm F2 RF-S
    Aperture Range F2 ~ 22
    Lens Optical Construction 12 Elements in 10 Groups
    Special Lens H-ASP 1, ASP 1, ED 3
    Coating UMC
    Minimum Focusing Distance 0.2m (0.66ft)
    Magnification Ratio x0.09
    Diaphragm Blades 7
    Filter Size (mm) Φ 62.0
    Maximum Diameter (mm) Φ 70.0
    Mount Canon RF-S
    Angle of view APS-C 96.8˚
    Length 57.2mm / 2.25in
    Weight (without Lens Cap, Hood) 213g / 7.5oz
    Weather Sealing O
    AF/MF mode switch 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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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.

What is Preset Aperture Control Function?

On the Preset Aperture Control function, the aperture blade operates smoothly like a "De-clicked lens", which is advantageous for video recording.
Fujifilm cameras are engineered to control the aperture according to the minimum exposure value(F-stop), so when the camera controls the aperture, it blinks momentarily to set the proper exposure.

AF 75mm F1.8 X intentionally disconnects the communication with the camera body and the lens itself on the Preset Aperture Control function, so it is possible to smoothly adjust the exposure without flickering. ISO and shutter speed are adjusted according to the changed exposure by controlling the aperture, so the exposure value can be changed even with the 1/2 F-stop.

What is Preset Aperture Control Function?

On the Preset Aperture Control function, the aperture blade operates smoothly like a "De-clicked lens", which is advantageous for video recording.
Fujifilm cameras are engineered to control the aperture according to the minimum exposure value(F-stop), so when the camera controls the aperture, it blinks momentarily to set the proper exposure.

AF 75mm F1.8 X intentionally disconnects the communication with the camera body and the lens itself on the Preset Aperture Control function, so it is possible to smoothly adjust the exposure without flickering. ISO and shutter speed are adjusted according to the changed exposure by controlling the aperture, so the exposure value can be changed even with the 1/2 F-stop.

What is Recommended Settings for Preset Aperture Control Function?

The Preset Aperture Control function operates only when shooting video(Movie mode) and the focusing mode of the camera is set to AF mode. Please set the aperture at f/1.8 before switching the "Custom Switch" to "Mode 2. It is recommended to set the "Exposure mode" as A mode (Aperture Priority AE) or M mode (Manual Exposure).

* How to use the “Preset Aperture Control” function?

1) Camera Body Setting
      AF Mode → Video Mode ('A' or 'M' mode) → Set the Aperture @F1.8
(2) Lens Setting
      Switch your "Custom Switch” to “Mode 2(M2)"
(3) Now, you're ready to use the Preset Aperture Control function with your focus ring

What is Recommended Settings for Preset Aperture Control Function?

The Preset Aperture Control function operates only when shooting video(Movie mode) and the focusing mode of the camera is set to AF mode. Please set the aperture at f/1.8 before switching the "Custom Switch" to "Mode 2. It is recommended to set the "Exposure mode" as A mode (Aperture Priority AE) or M mode (Manual Exposure).

* How to use the “Preset Aperture Control” function?

1) Camera Body Setting
      AF Mode → Video Mode ('A' or 'M' mode) → Set the Aperture @F1.8
(2) Lens Setting
      Switch your "Custom Switch” to “Mode 2(M2)"
(3) Now, you're ready to use the Preset Aperture Control function with your focus ring

[What is Dolly Shot? How to Shoot Easily]

[What is Dolly shot?]

A dolly shot, also referred to as a tracking shot or trucking shot, is a camera movement technique used by cinematographers to track and follow a subject in motion. To achieve this, the camera is mounted on a device called a "dolly," which facilitates smooth tracking movement. The dolly can move in front of, behind, or alongside the subject, which can be a person, a location, a product, or any other object of focus in the frame. Through this, you can control the emotional distance between the subject and the viewer by highlighting the audiovisual and dramatic effects.

[How to take a Dolly Shot simply by handheld]

Tip. If the moving distance is long, the camera may shake, so please shoot at a focal length between 35 and 100mm.
1. Stand at a distance of about 1.5 to 2 meters away from the subject.
2. Set the custom switch to MF and Mode 3 and adjust the focal length to about 100mm.
3. After focusing on the subject, set the aperture to F8~16.
4. Slowly turn the zoom ring to the left (towards the wide-angle end) while using your upper body and arms to move the camera toward your subject.
5. Dolly Shot complete!
※ When shooting from a farther distance from the subject, use a cart or gimbal for more stable shooting.

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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