The Canon 24-105mm f/4 L zoom is a standard-range lens with a constant f/4 aperture, while the 24-240mm is a long-range travel zoom that trades aperture and some image quality for much more reach. Choose the 24-105 for consistency and the 24-240 for convenience when you want one lens to do almost everything.

Canon 24-105mm vs 24-240mm: L Zoom or All-in-One Lens

What Each Lens Is For

The 24-105mm f/4 is a common walk-around lens on full-frame cameras. It covers wide-angle to short telephoto, which suits portraits, events, street scenes, and general travel. The 24-240mm stretches the same wide end to a long telephoto, so one lens can cover everything from a room interior to distant subjects.

Key Differences

  • Reach: The 24-240 reaches roughly 2.3 times further at the long end, which helps with wildlife, sports, and far-off details.
  • Aperture: The 24-105 keeps f/4 throughout. The 24-240 gets darker as you zoom in, which makes low light harder.
  • Image quality: Big-range zooms involve more compromises. A standard zoom like the 24-105 is generally more consistent across its range.
  • Size and weight: Both are sizable. Check the maker’s page for current dimensions and weights.
  • Mount: Canon has offered these focal ranges for both EF and RF mounts, so confirm which version fits your camera.

How to Choose

  1. Decide whether you want to carry one lens only. If yes, the 24-240 removes lens swaps.
  2. Think about low light. Indoor events and evening scenes favor the constant f/4 of the 24-105.
  3. Think about distant subjects. If you often wish you had more reach, the 24-240 helps.
  4. Match the mount to your body, since EF and RF versions are different lenses.
  5. Consider stabilization, which both lenses typically include, and confirm it for the exact version.

Use Cases at a Glance

  • Portraits and events: 24-105mm
  • City walks and general work: 24-105mm
  • Safari, sports sidelines, and one-lens trips: 24-240mm
  • Low-light interiors: 24-105mm

Practical Notes for Travel

If you travel light, a single lens that covers wide to long saves time and keeps dust off your sensor, because you never open the camera to change lenses. The trade-off is that you carry a larger lens all day and lose some light. Many travelers pair the 24-105 with a small fast prime for evenings, which covers most situations with two lenses instead of one.

FAQ

Is the 24-240 sharp enough?

It is a capable lens for travel and casual use. Because it covers a large range, it makes more compromises than shorter zooms, so look at sample images for the exact version.

Can I use the 24-105 for wildlife?

It can work for large, close subjects, but 105mm is short for most wildlife. A longer lens suits that job better.

The Short Version

Choose the 24-105mm if you want a reliable, constant-aperture lens for everyday shooting. Choose the 24-240mm if one lens with maximum reach matters more than aperture and ultimate consistency. Confirm mount and specs on the maker’s page.