Using the Security Slot on the EF 400mm f/2.8L IS III USM lens
Article ID: ART174550
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Date published: 05/30/2019
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Date last updated: 05/30/2019
Description
Using the Security Slot on the EF 400mm f/2.8L IS III USM lens
Solution
Security Slot
This lens is fitted with a security slot to prevent theft.
The security slot is located under the cover for the orientation locking knob. Attach a commercially-available wire-type security lock here.
