Full Specifications
| Focal Length | 100-400mm |
| Maximum Aperture | f/5.6 |
| Minimum Aperture | f/32 |
| Lens Mount | RF |
| Optical Stabilization | Yes |
| Autofocus Motor | USM |
| Filter Size | 67mm |
| Minimum Focus Distance | 0.88m |
| Weight | 635g |
| Dimensions | 79.5 x 164.7 mm |
| Weather Sealed | No |
What Users Think
Pros
- Lightweight and compact design, making it easy to carry for extended periods.
- Good image quality for the price, performing well at various focal lengths.
- Fast and reliable autofocus system, particularly effective for tracking moving subjects.
- Effective image stabilization that helps achieve sharp images at slower shutter speeds.
- Great value as a budget-friendly super telephoto lens.
- Good low-light performance when paired with modern Canon bodies, allowing decent shots at higher ISOs.
- Versatile enough for a range of photography styles, including wildlife, landscapes, and sports.
Cons
- Maximum aperture of f/8 at the long end can be limiting in low-light conditions.
- Not as sharp as higher-end lenses, particularly when fully zoomed to 400mm.
- Sluggish zoom ring compared to other lenses, affecting quick adjustments.
- Some users report that it struggles with focusing in tricky lighting conditions.
- Limited range compared to some competitors, like the Sigma 150-600mm lenses.
Community Verdict
Overall, the Canon RF 100-400mm f/5.6-8 IS USM lens is recognized as a solid choice for photographers looking for a lightweight and affordable option that delivers good performance across various photography scenarios. While it may not match the sharpness of more expensive L-series lenses, its compactness and versatility make it an excellent investment for both amateur and enthusiast photographers.
"{'text': 'The RF 100-400 is stunningly great for its price (esp if you buy used or through Canon refurbished), size and weight. Huge winner for compactness.', 'context': 'User discussing their experience with the lens on the subreddit r/canon.'}"
- Reddit user
"{'text': "I absolutely love using it for landscapes. It's very sharp, especially considering the price, size, and weight.", 'context': "User reflecting on the lens's performance with landscape photography."}"
- Reddit user
"{'text': 'I found that the RF 100-400 is very lightweight and has good picture quality. It has similar image quality as the Sigma 150-600 which is really great!', 'context': 'User comparing the RF 100-400 with the Sigma 150-600 in their photography experiences.'}"
- Reddit user
Want the Full Story?
Read our comprehensive review covering optical quality, sharpness, bokeh, autofocus performance, build quality, and more.
Read Full ReviewPairs Well With
Camera bodies compatible with the RF mount
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RF 1200mm f/8L IS USM
RF 135mm f/1.8L IS USM
RF 14-35mm f/4L IS USM
