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2025-04-09 Update From: SLTechnology News&Howtos shulou NAV: SLTechnology News&Howtos > IT Information >
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Shulou(Shulou.com)11/24 Report--
CTOnews.com November 2 news, today noon, Canon (China) Co., Ltd. announced the launch of RF135mm F1.8 L IS USM full-frame large aperture telephoto lens, this is a professional portrait lens, suitable for commercial portrait, indoor sports, still life and other subjects shooting. This is also the first time Canon has equipped an optical image stabilization function on a 135mm focal length fixed focus lens.
According to introduction, RF 135mm F1.8L IS USM is RF bayonet lens, with EOS R system large bayonet diameter, short rear focus distance advantages, Canon for this lens equipped with 3 UD lenses and ASC and other advanced coating technology and suitable for photos, video shooting NANO USM drive motor, equipped with 9 circular aperture blades, weight about 935g, size about Φ89.2× 130.3mm.
▲ Canon RF 135mm F1.8 L IS USM official sample Canon RF 135mm F1.8 L IS USM has a certain close-up shooting ability, the closest focusing distance is about 0.7 meters, the maximum magnification is about 0.26 times.
▲ Canon RF 135mm F1.8 L IS USM official sample In addition, when the RF 135mm F1.8 L IS USM is used with the APS-C format model (EOS R7 or EOS R10), it can obtain a focal length of about 216mm, making this lens a telephoto lens.
The optical structure of RF 135mm F1.8 L IS USM lens is designed with 12 groups of 17 pieces. Three UD lenses with low refraction and low dispersion characteristics are adopted. The official said that the UD lens adopted this time has abnormal dispersion characteristics like fluorite. Two UD lenses can have roughly the same performance as one fluorite, which can effectively reduce axial chromatic aberration and magnification chromatic aberration.
RF135mm F1.8 L IS USM lens also adopts ASC (Air Sphere Coating) coating technology. It is also the first lens equipped with IS image stabilizer in Canon lens with same focal length. It has 5.5 optical image stabilization. When matched with EOS R series camera with body image stabilization, it can achieve up to 8 levels of collaborative image stabilization.
In addition, the RF135mm F1.8 L IS USM also supports breathing effect correction, which suppresses changes in viewing angle when the focus shifts from front to back or from back to front during focus.
RF135mm F1.8 L IS USM lens is also equipped with a multi-function control ring, users can according to the habit of aperture, shutter speed, ISO sensitivity or exposure compensation and other functions assigned to the lens control ring, turn the control ring can adjust the corresponding settings, thus greatly improving the convenience of operation. In addition, the RF135mm F1.8 L IS USM is equipped with two Canon lenses that have previously only been used on professional ultra-telephoto lenses, allowing multiple functions to be assigned, and can be used as an AF stop button in initial settings.
RF135mm F1.8 L IS USM has high reliability and good impact resistance. The drip-proof and dust-proof structure is adopted at the movable parts such as the operation ring and the switch, which improves the reliability and durability of use in different environments. In addition, the front-end lens is coated with anti-fouling fluorine coating, which is not easy to adhere to dust and stains, and can easily wipe off oil stains on the lens with dry cloth.
CTOnews.com understands that Canon RF 135mm F1.8L IS USM lens will be available in January 2023 for 15999 yuan.
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