Samyang has just announced their first Canon RF mount lenses – the new Samyang 14mm f/2.8 RF and Samyang 85mm f/1.4 RF full frame lenses built for the Canon EOS R mirrorless system. Both lenses are manual focus only and will be available in North America under their Rokinon brand, and to avoid confusion, I’ll be referring to them as the Samyang RF lenses for the duration of this post.
The new ultra wide-angle and fast telephoto are the first 3rd party 14mm and 85mm prime lenses with manual focus control to be available in Canon RF mount. Both lenses sport a new exterior design with a contemporary look that matches and handles well with Canon’s new full frame mirrorless cameras.
The new Samyang RF lenses feature a metal chassis design, weather sealing, a metal aperture control with a slip resistant matte finish, and Ultra Multi-Coating. The ultra-wide Samyang 14mm f/2.8 Canon RF lens has an impressive rectilinear 115.7° field of view and can focus as close as 11 inches. Given its super-wide characteristics, the 14mm f2.8 RF is a good candidate for astrophotography, landscapes, extreme sports, interiors, and real estate imagery.
The 14mm super-wide has an advanced 14 element-10 group optical design, which utilizes four highly specialized element types – High Refractive Index, Hybrid Aspherical, Aspherical and Extra-Low Dispersion to produce sharply defined images with minimal distortion and chromatic aberrations. The 14mm f2.8 RF features a built-in petal shaped lens hood and a rear gelatin filter holder.
The Samyang 85mm f/1.4 Canon RF mount telephoto lens offers a very fast f/1.4 maximum aperture for effective low light shooting, fast shutter speed capture, and precise selective focus control. Its optical design consists of 9 elements in 7 groups including one Hybrid-Aspherical element to reduce chromatic aberrations for increased clarity and sharpness.
Rokinon/Samyang 85mm f1.4 Canon RF
- RF-Mount Lens mount
- Full-Frame Format
- Aperture Range: f/1.4 to f/22
- One Hybrid Aspherical Element
- Ultra Multi-Coating
- Manual Focus Design
- Weather-Sealed Construction
- Rounded 8-Blade Diaphragm
- Pre-order: $399 at B&H
Rokinon/Samyang 14mm f2.8 Canon RF
- RF-Mount Lens mount
- Full-Frame Sensor Coverage
- Aperture Range: f/2.8 to f/22
- 2x Aspherical Elements
- 2x ED Elements, 3x HR Elements
- Ultra Multi-Coating
- Manual Focus Design
- Weather-Sealed Construction
- 6-Blade Diaphragm
- Rear Gel Filter Holder
- Built-In Petal-Shaped Lens Hood
- Pre-order: $499 at B&H
Unlike the 14mm, the 85mm portrait prime lens has a removable lens hood to accomodate front filters. The Samyang 85mm f1.4 RF has a curved blade diaphragm for pleasing bokeh, and a non-rotating 72mm filter mount for easy use of polarizing and other filters that require precise positioning. 
For full technical specifications and to learn more about the new Samyang RF lenses, head over to Samyang.
These first two Samyang/Rokinon full frame RF lenses are estimated to start shipping sometime later in April. You can pre-order from B&H via the links below.
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