Zhong Yi Optics announces the Mitakon 135mm f/2.5 APO Portraits Lens for RF | Canon Rumors

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Shen Yang, 6th September 2021 – Zhong Yi Optics, the leading wide-aperture lenses manufacturer in China, has rebuilt their old 135mm f/2.8 lens into 135mm f/2.5, available in Canon EF, Canon RF, Nikon F, Nikon Z, and Sony FE mounts. The new 135mm lens benefits working in difficult lighting, also offering great control of depth of field. The lens is composed of high-quality ultra-low dispersion elements that form ultra-sharp images with minimal chromatic aberration. Well-built with metallic housing, the focus throw is comparatively long to give accurate focus control.

Buttery Smooth Bokeh

word image 1 - Zhong Yi Optics announces the Mitakon 135mm f/2.5 APO Portraits Lens for RF


Mitakon Creator 135mm f/2.5 renders an exquisite bokeh by 9 blades of circular aperture. The background is softly blended like butter. Great control of depth of field can be achieved with focus technique, offering high level of creative potential with the lens. The perfect separation of subject from the background makes the lens ideal for portrait photography.

Premium Image Quality – Ultra Sharp, No Vignette

word image 2 - Zhong Yi Optics announces the Mitakon 135mm f/2.5 APO Portraits Lens for RF

word image 3 - Zhong Yi Optics announces the Mitakon 135mm f/2.5 APO Portraits Lens for RF

©Steven Grindler

Zhong Yi has improved the optical design of Mitakon Creator 135mm f/2.5 lens based on experience of producing 135mm lenses. 2 Super ED (extra-low dispersion) glass and 2 ultra-high refraction Index glass elements are precisely deployed to provide optimal sharpness. Images taken by it are showing sharp details even across the corners, with minimal field curvature to ensure the highest possible resolution is retained along edges of the area in frame.

Apochromatic (APO) Lens

a group of colorful leaves description automatica - Zhong Yi Optics announces the Mitakon 135mm f/2.5 APO Portraits Lens for RF

©LiHanHuei ©RichardWong

Super ED and ultra-high refraction Index glasses incorporated the design of Creator 135 f/2.5 lens help achieved the APO quality. Chromatic aberration is well suppressed to the slightest. No more distracting color fringing is found along areas with highlighting parts over the image. A perfectly colored, extraordinarily sharp portrait image with beautiful bokeh is achievable under strong lighting with this lens.

Premium Built Quality with Retractable Hood

Clear scale marking on the aperture ring and focus ring are embedded on the robust metal barrel. A long focus throw enables precise focusing on target objects. The Lens hood is designed to be longer than it used to, helping to reduce lens flare and ghosting.

Internal Focusing and No Focus Breathing

The new 135mm has an internal focus design, on which no extension/retraction on the lens housing when adjusting the focus ring. Filters, matt boxes, or other camera accessories can be mounted on it solidly. Focus breathing is designed to be minimal that the transition of shifting area in focus will be silky smooth.

Pricing and availability

The new Mitakon Speedmaster 135mm f/2.5 lens is available now on our official website (https://zyoptics.net/) and other authorized resellers. The US retail price is $299


Focal Length135mm
Lens Elements9 Elements in 7 Groups
Angle of View18.2°
Minimum Focus Distance1m (3.94’)
Maximum Reproduction Ratio0.1x
Filter Thread67mm
Size(diameter*height)79mm x 137mm (3.11” x 5.39”)
Weight845g (1.86lbs)
MountsCanon EF, Canon RF, Nikon F, Nikon Z, Sony FE


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