Photo: GodeNehler (CC BY-SA 4.0)
Quick answer
The 2014 revision of the diffractive-optics 400mm f/4 with improved flare control. At about 2.1kg it is slightly heavier than the first version.
Pros
- About 2.1kg
- IS with panning mode
- Improved contrast over the first DO
- Takes Canon extenders
Cons
- Diffractive optics can show ring patterns in out-of-focus highlights
- Slightly heavier than the first version
Verdict
A portable 400mm for travel and wildlife. Compare it with the EF 100-400mm II for flexibility.
About this lens
A 400mm f/4 telephoto prime lens, the Canon EF 400mm f/4 DO IS II USM is designed for Canon EF mount bodies, with Image Stabilizer and ultrasonic-motor autofocus. It brings distant subjects closer for sports, wildlife and events.
Canon EF 400mm f/4 DO IS II USM specifications
- Brand
- Canon
- Mount
- Canon EF
- Focal length
- 400mm
- Maximum aperture
- f/4.0
- Lens type
- Telephoto
- Format coverage
- full-frame
- Released
- 2014
- Optical construction
- 18 elements in 12 groups
- Aperture blades
- 9
- Image stabilization
- Yes
- Autofocus motor
- USM
- Minimum focus distance
- 3.3 m
- Maximum magnification
- 0.13x
- Weight
- 2100 g
- Length
- 232.7 mm
- Diameter
- 128 mm
Specification source: global.canon
What can you shoot with the Canon EF 400mm f/4 DO IS II USM?
- Birds in flight
- Safari
- Sports handheld on a monopod
Its moderate maximum aperture works best in good light or with a higher ISO.
Full-frame equivalent and field of view
Calculated from the focal length and crop factor. Not measured.
| Sensor | Crop | Equivalent | Horizontal FOV | Diagonal FOV |
|---|---|---|---|---|
| Full frame | 1.0x | 400mm | 5.2° | 6.2° |
| APS-C | 1.6x | 640mm | 3.2° | 3.9° |
Frequently asked questions
How does the Canon EF 400mm f/4 DO IS II differ from the first version?
It improves contrast and flare resistance. Weight rises slightly, from about 1.94kg to 2.1kg.
Is the EF 400mm f/4 DO IS II USM good for birds in flight?
Yes, it focuses quickly, is stabilized and is relatively light. Its f/4 aperture also helps in cloudy light.
Does the EF 400mm f/4 DO IS II work with extenders?
Yes. The 1.4x gives 560mm f/5.6, and the 2x gives 800mm f/8, where autofocus needs a body that supports f/8.
Alternatives for Canon EF from other brands
All Canon EF lensesSame mount, overlapping focal range, closest maximum aperture first.
