Using the Security Slot on the EF 400mm f/4 DO IS II USM lens
Article ID: ART174582
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Date published: 05/31/2019
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Date last updated: 05/31/2019
Description
Using the Security Slot on the EF 400mm f/4 DO IS II USM lens
Solution
Security Slot
An attachment slot is provided for a wire-type security lock. The slot is located under the cover for the orientation locking knob.
A wire-type security lock can be purchased separately.
