Canon Canon EF-S 18-135mm f/3.5-5.6 IS STM Lens Review

This lens lives on your camera. Its huge zoom range and great stabilization make it the perfect travel companion, even if its slow aperture holds it back in dim light.

Focal Length 18-135mm
Max Aperture f/3.5
Mount Canon EF-S
Stabilization Yes
Weather Sealed No
Weight 480 g
AF Type Autofocus
Lens Type Zoom
Canon Canon EF-S 18-135mm f/3.5-5.6 IS STM Lens lens
81.5 Overall Score

Overview

Look, if you're buying a Canon APS-C camera and you want one lens to do almost everything, this is the one. The Canon 18-135mm IS STM is the ultimate 'glue' lens. It's not the fastest or the sharpest, but its 7.5x zoom range is ridiculously useful, covering everything from wide-angle shots to a decent telephoto reach. The one thing to know? You'll probably keep this on your camera 90% of the time.

Performance

What surprised me was how good it is for video. That 83.3/100 cinema score isn't a fluke. The STM motor is smooth and quiet, and the image stabilization is in the 91st percentile, which means handheld shots look impressively steady. For a kit-style zoom, that's a huge win.

Performance Percentiles

AF 46.1
Bokeh 36.1
Build 73
Macro 58.7
Optical 91.8
Aperture 41.5
Versatility 97.1
Social Proof 87.9
Stabilization 87.4

Pros & Cons

Pros

  • Insanely versatile zoom range covers 90% of shooting situations. 97th
  • Image stabilization is top-notch, especially for video. 92th
  • STM autofocus is quiet and smooth, perfect for run-and-gun filming. 88th
  • Optical quality is solid for its class, landing in the 90th percentile. 87th

Cons

  • Autofocus speed is just average (48th percentile), not great for fast action.
  • The f/3.5-5.6 aperture is slow, so low-light performance suffers.
  • Forget about creamy background blur; bokeh is in the bottom third.
  • Not weather-sealed, so keep it away from dust and rain.

Specifications

Full Specifications

Optics

Type Zoom
Focal Length Min 18
Focal Length Max 135
Elements 16
Groups 12

Aperture

Max Aperture f/3.5
Min Aperture f/36
Constant Yes

Build

Mount Canon EF-S
Format APS-C
Weight 0.5 kg / 1.1 lbs
Filter Thread 67

AF & Stabilization

AF Type Autofocus
Stabilization Yes

Focus

Min Focus Distance 390
Max Magnification 1:3.57

Value & Pricing

At around $380, it's a no-brainer if you need that all-in-one flexibility. You're paying for convenience and stabilization, and you get a ton of both.

Price History

New Refurbished
$200 $300 $400 $500 $600 Feb 28Mar 7Mar 30 $351

vs Competition

The main competitor is the Panasonic 14-140mm f/3.5-5.6 II for Micro Four Thirds. It's a similar 'do-everything' concept, but on a smaller sensor. For Canon shooters, this 18-135mm is your best bet. Don't compare it to primes like the Viltrox 35mm f/1.7; that lens is for low light and blur, while this one is for having a single lens on your camera all day.

Spec Canon Canon EF-S 18-135mm f/3.5-5.6 IS STM Lens Meike Meike 55mm F1.4 Standard Aperture APS-C Frame AF Viltrox VILTROX 35mm F1.7 f/1.7 Air AF Lens for Fuji X Canon Canon RF 24mm f/1.8 Macro IS STM Lens Nikon Nikon S-Line Nikon NIKKOR Z 24-70mm f/2.8 S II Lens (Nikon Z) Sirui Sirui Sniper 56mm f/1.2 Autofocus Lens (Sony E,
Focal Length 18-135mm 55mm 35mm 24mm 24-70mm 56mm
Max Aperture f/3.5 f/1.4 f/1.7 f/1.8 f/2.8 f/1.2
Mount Canon EF-S Nikon Z Fujifilm X Canon RF Nikon Z Sony E
Stabilization true true true true true true
Weather Sealed false false false false true false
Weight (g) 480 281 400 269 676 422
AF Type Autofocus STM STM Autofocus Autofocus Autofocus
Lens Type Zoom - - Zoom Zoom -

Verdict

If you own a Canon Rebel, 90D, or similar APS-C body and hate swapping lenses, buy this. It's the perfect travel and everyday lens. Just don't expect it to be a low-light or portrait champion. For that, you'll need a second, faster prime.