7artisans 4mm f/2.8 APS-C Fisheye lens review

Neat, another fully-circular fisheye lens, and this time one that can actually see behind you. How on earth do you use it, and what kind of image quality can it produce? Support this channel on Patreon, for all kinds of exclusive bonus content! https://www.patreon.com/christopherfrost Find it here (NOT affiliate links): US: https://www.amazon.com/dp/B0BGRXYKHR?ref=myi_title_dp UK: https://www.amazon.co.uk/dp/B0BGRXYKHR?ref=myi_title_dp CA: https://www.amazon.ca/dp/B0BGRXYKHR?ref=myi_title_dp Support me on Patreon! https://www.patreon.com/christopherfrost ...or on YouTube Memberships: https://www.youtube.com/christopherfrost/join Equipment I use to make my videos (Amazon affiliate link - I earn a commission on purchases): 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 As an Amazon Associate, I earn from qualifying purchases. Music: 'Opportunity Walks', Kevin MacLeod (incompetech.com) Licensed under Creative Commons: By Attribution 3.0 License http://creativecommons.org/licenses/by/3.0/