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Custom case for Canon EF 400mm f/2.8L IS III USM

On its own, the Canon EF 400mm f/2.8L IS III USM fits in the XL wheels case, in a pocket cut to its dimensions.

You receive the case and its cut foam; the gear is not included. From €449, delivery included, in 5 to 6 weeks (4 to 5 with express, +€25). That time goes into cutting your foam to your gear’s dimensions, checking every layout, then shipping it.

Build my case with just the Canon EF 400mm f/2.8L IS III USM
Dimensions used
Ø 163 × 378 mm
Stored as
front and rear caps on, +35 mm of length (EF mount rear, caps and EF-RF adapter ring, margin included); hood stored separately; large lens, allow a cut-out for the tripod collar
Dimension reliability
Probable dimensions 66/100
Clearance left in the foam
3.5 mm per side
Weight
2,840 g
Pocket depth
165 mm
Delivered cases
no delivered case recorded for this gear yet The layout is computed from the dimensions; a delivery alone is not a documented physical fit test.
Sources
manufacturer spec sheet, published review

The dimensions agree across several sources; they become “verified” after our own measurement or fit feedback.

the wheel well (position still being measured)the handle channel (position still being measured)590 mm455 mm
Layout computed for the Canon EF 400mm f/2.8L IS III USM alone in the XL case. You can add your gear and adjust the plan in the configurator.

How it is stored

The lens lies down, with front and rear caps on. The hood is stored reversed on the lens or in its own pocket.

Size and price

Often stored with the Canon EF 400mm f/2.8L IS III USM

Where foam is left over, the configurator suggests a pocket of the right size. Nothing is added by default.

  • Foamd lens cleaning kit

    Sold with its pocket, €15 · 170 × 95 mm

  • Foamd SD card wallet

    Sold with its pocket, €12 · 115 × 85 mm

  • Foamd cable pouch

    Sold with its pocket, €14 · 200 × 120 mm

Build the case and choose its storage

Questions about the Canon EF 400mm f/2.8L IS III USM case

Which case size for the Canon EF 400mm f/2.8L IS III USM?
On its own, the Canon EF 400mm f/2.8L IS III USM fits in the XL case (590 × 455 × 255 mm inside), at €449 for case and foam, delivery included. Its pocket is 165 mm deep in 210 mm foam.
How much clearance does the foam leave around the Canon EF 400mm f/2.8L IS III USM?
3.5 mm per side. The dimensions agree between the manufacturer’s sheet and another source; they become “verified” after our own measurement.
Does the case for the Canon EF 400mm f/2.8L IS III USM fit as cabin baggage?
The XL case measures 66.7 × 53.5 × 30.4 cm overall and is over the 55 × 40 × 23 cm cabin size. Ask your airline how to carry it; spare batteries stay in the cabin.
What if my Canon EF 400mm f/2.8L IS III USM has accessories mounted?
The layout follows the Canon EF 400mm f/2.8L IS III USM’s dimensions, stored as shown on this page. A cage, a handle or a filter changes the footprint: add them in the configurator, or enter your own measurements, and the pocket is recalculated.

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