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Pairing a medium-telephoto focal length with an extremely bright maximum aperture, the Canon RF 135mm f/1.8 L IS USM offers an engaging mixture of high sharpness and shallow depth of field, making it an ideal choice for portrait subjects. Benefitting this desirable combination is an advanced L-series optical design, robust and weather-sealed construction, and fast AF along with dependable image stabilization for intuitive use.
Pairing a medium-telephoto focal length with an extremely bright maximum aperture, the Canon RF 135mm f/1.8 L IS USM offers an engaging mixture of high sharpness and shallow depth of field, making it an ideal choice for portrait subjects. Benefitting this desirable combination is an advanced L-series optical design, robust and weather-sealed construction, and fast AF along with dependable image stabilization for intuitive use.
L Series Optics
Impressively bright f/1.8 maximum aperture affords extensive control over depth of field for selective focus applications and also benefits working in low-light situations.
Three ultra-low dispersion elements control a variety of aberrations in order to achieve high sharpness, clarity, and accurate color rendering.
Both Air Sphere and Super Spectra Coatings improve image quality by maintaining high contrast and color accuracy while reducing lens flare and ghosting when working in strong lighting conditions.
Rounded nine-blade diaphragm contributes to a pleasing bokeh quality.
Nano USM Autofocus and Image Stabilization
Nano USM delivers fast, accurate, and near silent autofocus performance to benefit both photo and video applications.
Customizable Lens Function buttons on the barrel permit intuitive tactile control and rapid access to shooting settings.
Benefitting handheld and monopod-based shooting, Optical Image Stabilization compensates for 5.5 stops of camera shake, or up to 8 stops if paired with in-body image stabilization, for sharper imagery.
Robust Design and Intuitive Handling
Weather-sealed design for reliable use in inclement conditions.
Fluorine coating on front element helps repel moisture, dust, and fingerprints and is also easier to clean.
Configurable Control Ring can be used to adjust a variety of exposure settings, including aperture, ISO, and exposure compensation.
UPC: 013803352078
Canon RF 135mm F/1.8L IS USM Specs
Focal Length
135mm
Aperture
Maximum: f/1.8 Minimum: f/22
Lens Mount
Canon RF
Lens Format Coverage
Full-Frame
Angle of View
18°
Minimum Focus Distance
2.3' / 70 cm
Magnification
1:3.85 Macro Reproduction Ratio 0.26x Magnification
Optical Design
17 Elements in 12 Groups
Aperture/Iris Blades
9, Rounded
Focus Type
Autofocus
Image Stabilization
Yes
Filter Size
82 mm (Front)
Dimensions
3.5 x 5.1" / 89.2 x 130.3 mm (Diameter x Length)
Weight
2.1 lb / 935 g
Packaging Info
Package Weight
2.87 lb
Box Dimensions (LxWxH)
11.1 x 5.4 x 5.4"
Canon RF 135mm F/1.8L IS USM Reviews
So creamy its dreamy
By Zach
Rated 5 out of 5
Date: 2026-10-22
So after a long time with the 85 and 135 sitting in my cart I took a look at all my data for my pictures. I tend to sit around 135 with my 70-200. I wanted a dedicated portrait lens to add to the collection. So I went with the 135 1.8. Boyyyy let me tell you what. The compression on this lens is just beautiful. How much bokeh do you want? All of it? Okay seal the deal. Auto focus is extremely fast and doesn't miss even at 1.8. Now this lens is no slouch. Its a big boy. But it does an amazing job. If I broke it today I would buy another one today. Invaluable part of my kit. Or dont buy it I like having people ask how the heck I got that picture. Choice is yours.
Telephoto reach and pristine optics in a compact package
By Joseph
Rated 5 out of 5
Date: 2026-05-14
Having a wonderful time with this lens. It’s lighter and smaller than my EF 70-200mm f/2.8 L IS USM II (which I’m keeping compared to the RF equivalent for its superior optical performance). So far I’ve done landscape and cat portraits with it. Very pleased with the optical quality, which is ultra sharp and seemingly free of color fringing artifacts, even when wide open. I spend a lot of time in the 40mm and 24-70mm focal lengths, so it’s a nice change of pace as well. The sharpness and added stabilization give me the sense that I’m really getting the most out of the Canon EOS R5 Mark II with this lens.
