https://community.usa.canon.com/t5/EF-RF-Lenses/EF-400-2-8-L-III-not-on-registration-options/m-p/569557#M38569 <P>This would be for Canon support - and there was no option for an e-mail for this ...</P><P>I'm trying to register my EF 400 2.8 III on my account/products page ... but the EF 400 2.8 III is NOT an option in that registration list ... the list only has the EF 400 2.8 II as an option for registration. So how do I register this version III that I now own but can't apparently register ??</P><P>Thanks for the help !!</P> Sat, 27 Sep 2025 18:43:35 GMT cecilcopeland 2025-09-27T18:43:35Z https://community.usa.canon.com/t5/EF-RF-Lenses/EF-400-2-8-L-III-not-on-registration-options/m-p/569557#M38569 <P>This would be for Canon support - and there was no option for an e-mail for this ...</P><P>I'm trying to register my EF 400 2.8 III on my account/products page ... but the EF 400 2.8 III is NOT an option in that registration list ... the list only has the EF 400 2.8 II as an option for registration. So how do I register this version III that I now own but can't apparently register ??</P><P>Thanks for the help !!</P> Sat, 27 Sep 2025 18:43:35 GMT https://community.usa.canon.com/t5/EF-RF-Lenses/EF-400-2-8-L-III-not-on-registration-options/m-p/569557#M38569 cecilcopeland 2025-09-27T18:43:35Z https://community.usa.canon.com/t5/EF-RF-Lenses/EF-400-2-8-L-III-not-on-registration-options/m-p/569560#M38570 <P>Nope ... never mind !! I finally found it !! It IS indeed on that option list ... my bad !!</P> Sat, 27 Sep 2025 18:56:54 GMT https://community.usa.canon.com/t5/EF-RF-Lenses/EF-400-2-8-L-III-not-on-registration-options/m-p/569560#M38570 cecilcopeland 2025-09-27T18:56:54Z