
Canon
Canon 2271C002 EF 85mm f/1.4L IS USM Lens
The Canon EF 85mm f/1.4L IS USM renders portraits with signature L-series sharpness and up to 4 stops of stabilization for clean, confident handheld shooting in any light.
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Overview
Specifications
Model Number
2271C002
Focal Length
85mm
Maximum Aperture
f/1.4L
Image Stabilization
IS
Autofocus Motor
USM
Brand
Canon
Frequently Asked Questions
How does the 4-stop Image Stabilization on this lens change handheld portrait shooting in low light?
Four stops of IS means you can handhold at shutter speeds roughly 16 times slower than without stabilization before camera shake softens the image. For an 85mm focal length, the rule of thumb suggests 1/100s as a minimum handhold speed — IS pushes that to 1/6s or slower, which opens up available-light shooting in reception halls, churches, and dimly lit venues that would otherwise require flash or high ISO.
Does this lens work with Canon EF-mount APS-C bodies as well as full-frame cameras?
Yes — the EF mount is compatible with both full-frame and APS-C Canon bodies. On an APS-C sensor, the 1.6x crop factor produces an effective focal length of approximately 136mm equivalent, which skews the perspective more toward telephoto compression and tighter framing than the classic portrait-length 85mm rendering you get on full-frame.
How does the GMo aspherical lens element contribute to image quality at f/1.4?
The Ground and Molded (GMo) aspherical element corrects the spherical aberration that causes soft edges and reduced contrast when shooting at f/1.4 on fast lenses. The result is a lens that is genuinely usable wide open — center sharpness is high at f/1.4, and stopping down to f/2 produces near-peak performance across the entire frame.
What does Air Sphere Coating do, and when does it matter on location?
Air Sphere Coating (ASC) reduces internal reflections by applying a layer with a lower refractive index than the glass surface itself, effectively trapping light that would otherwise bounce back through the optical path. In practical terms, it suppresses ghosting and flare when shooting into backlit scenes — a significant advantage in outdoor portraits with the sun in frame or at weddings with window light behind the subject.
Is the USM autofocus motor fast enough for candid and event photography, and can I override it manually mid-session?
The Ring-type USM motor provides fast, near-silent autofocus — it tracks subjects with the speed and responsiveness a working event photographer needs. Full-time manual focus override is available at any time without switching the AF/MF toggle, allowing instantaneous fine-tuning after autofocus acquisition without interrupting the shooting flow.