Canon EF 16-35mm f/4 IS USM 'L' lens review with samples (Full-frame and APS-C)

Dear everyone. Here is my gift to you: one review of what is probably Canon's best ultra wide-angle lens (for full-frame cameras). How good really is it? And how does it compare to the Tamron 15-30mm f/2.8 VC USD?

Find it here (Amazon affiliate link):
https://geni.us/canonef1635f4

If you've found this or other videos I've made to be helpful, then support me on Patreon! https://www.patreon.com/christopherfrost?ty=h

My own Canon 70D had to be sold as I was saving up for my wedding/ honeymoon...for this review I borrowed my mother-in-law's, hehe.

All pictures and footage shot by me on Canon 6D and 70D cameras.

Equipment I use to make my videos (Amazon affiliate links):
Canon EOS R5: https://geni.us/CanonEOSR5Body
Canon EF-RF Adaptor: https://geni.us/CanonEFtoRF
Sigma 50mm f/1.4 'Art': https://geni.us/Sigma50mm14Art
Canon RF 35mm f/1.8 IS STM: https://geni.us/CanonRF35mm18Macro
Marumi Fit and Slim CPL Filter: https://geni.us/MarumiFitSlim77
AudioTechnica AT2020USB+ Microphone: https://geni.us/AT2020USBPlusMic
Rode Smartlav+ Microphone: https://geni.us/RodeSmartLavalierPlus
Rode SC3 adapter: https://geni.us/RodeSC3MicAdaptor
Zoom H1n Recorder: https://geni.us/ZoomH1nMiniRecorder
DJI Mini 2 Drone: https://geni.us/DJIMini2FlyMore

Music:
'Opportunity Walks', Kevin MacLeod (incompetech.com)
Licensed under Creative Commons: By Attribution 3.0
http://creativecommons.org/licenses/by/3.0/