Canon 135mm f/2 L USM EF-Mount Lens {72}

Canon's 135mm f/2L: the portrait and low-light workhorse that refuses to age.

Released in 1996 and still earning its place in working photographers' bags, the EF 135mm f/2L USM is built around a 10-element, 8-group optical formula with two UD-glass elements that correct secondary spectrum, the color fringing that plagues fast telephoto primes at wide apertures. The result is corner sharpness that matches center sharpness at f/2, a genuinely rare trait. At 135mm and f/2, depth of field is shallow enough to isolate subjects decisively, and the 8-blade diaphragm keeps out-of-focus rendering smooth enough for clean subject separation in portraits and editorial work.

The ring-type USM motor drives focus quietly and fast, with full-time manual override available without touching any switches, just grab the focus ring. Rear-focus design means the barrel doesn't extend or rotate during AF, which matters when you're working close or have a polarizer mounted on the 72mm filter thread. Minimum focus distance is 0.90m, giving 0.19x maximum magnification, not a macro tool, but workable for environmental portraits and three-quarter shots.

The metal barrel and mount construction give this lens a tool-grade feel that its plastic-threaded contemporaries don't match. At 750g and 112mm long, it's dense but manageable for a day of handheld shooting. Native to Canon EOS digital and film bodies, it also adapts cleanly to Sony E, Canon RF, Nikon Z, Fuji X, and L-Mount systems, meaning the glass you buy today can follow you across a system change.

Who It's For

Portrait photographers working in natural light or mixed available light get a f/2 aperture that maintains edge-to-edge sharpness wide open, eliminating the need to stop down to get usable corners. Photojournalists and documentary shooters benefit from the USM's near-silent operation and fast acquisition in unpredictable situations. Wedding photographers shooting receptions or ceremonies in dim venues will find the two-stop advantage over f/4 zooms directly translates to cleaner high-ISO files. Canon EF shooters on mirrorless systems via adapter lose nothing in optical performance, making this a cost-effective way to put proven L-series glass on a modern sensor.

Key Features

• 135mm fixed focal length, f/2 maximum aperture for shallow depth of field and low-light work
• Two UD-glass elements correct secondary spectrum for edge-to-edge sharpness
• Ring-type Ultrasonic Motor with full-time manual focus override
• Rear-focus design prevents barrel rotation during autofocus
• 8-blade circular diaphragm for smooth bokeh and clean subject separation
• Metal barrel and metal mount construction for durability and tool-grade feel
• 72mm filter thread with non-rotating barrel
• 0.90m minimum focus distance, 0.19x magnification
• Canon EF mount, compatible with Canon digital and film bodies

FAQ

How sharp is the 135mm f/2L wide open?

Corner sharpness matches center sharpness at f/2, which is genuinely rare for a fast telephoto prime. The two UD-glass elements correct secondary spectrum, so you get clean rendering at the widest aperture without the color fringing that plagues most fast telephotos.

What's the autofocus performance like?

The ring-type USM motor focuses quietly and fast with full-time manual override-just grab the focus ring without touching any switches. Rear-focus design means the barrel doesn't extend or rotate during AF, which matters if you have a polarizer mounted.

Is this lens suitable for portrait work?

Yes. At 135mm and f/2, depth of field is shallow enough to isolate subjects decisively, and the 8-blade diaphragm keeps out-of-focus rendering smooth for clean subject separation. Minimum focus distance of 0.90m works for environmental portraits and three-quarter shots.

Will this lens adapt to newer camera systems?

The EF mount adapts cleanly to Sony E, Canon RF, Nikon Z, Fuji X, and L-Mount systems. The glass you buy today can follow you across a system change.

How much does it weigh and how compact is it?

At 750g and 112mm long, it's dense but manageable for full days of handheld shooting. The metal barrel and metal mount give it a tool-grade feel that plastic-threaded contemporaries don't match.

Does it have image stabilization?

No stabilization, but the fast f/2 aperture compensates-you can shoot four times faster shutter speeds than you'd need with a slower lens, which eliminates the need for IS in most handheld work.

What's the closest focusing distance and can it do macro work?

Minimum focus is 0.90m with 0.19x maximum magnification. Not a macro tool, but workable for environmental portraits and three-quarter shots where you need to work moderately close.