Canon EF 70-200mm f/4L IS II: Final Review | 4K

Canon 70-200mm f/4L IS II: Final Review | Build Quality and Upgrades 1:25 | Autofocus Performance 4:35 | 1.4x Extender Observations and Images 5:57 | Sigma MC-11 and Sony Observations 6:55 | Image Quality 8:10 | Dustin's Wrap-Up 14:20 | Read the Full Written Review: http://bit.ly/70200F4LISii Check out the Image Gallery http://bit.ly/70200IIig Buy the Canon EF 70-200mm f/4L IS II @ B&H Photo: https://bhpho.to/2JkD4Gt | Amazon: https://amzn.to/2NQkSb9 | Amazon Canada:  https://amzn.to/2uA6Hhr | Amazon UK: https://amzn.to/2mj8bZM | Amazon Germany: https://amzn.to/2Laipd6 | Ebay: http://bit.ly/70200Lii Want to support this channel? Use these affiliate links to shop at: B&H Photo: http://bhpho.to/1TA0Xge Amazon: https://www.amazon.com/shop/dustinabbott Ebay: http://bit.ly/DustineBay Make a donation via Paypal: paypal.me/dustinTWI Get a discount off all Skylum Editing Software (Luminar, Aurora HDR, AirMagic) by using code DUSTINHDR at checkout: http://bit.ly/LuminarDLA Become a Patron: https://www.patreon.com/dustinabbott | Check me out on: Personal Website: http://dustinabbott.net/ | Sign up for my Newsletter: http://bit.ly/1RHvUNp | Instagram: http://bit.ly/DLAinsta | Google+: http://bit.ly/24PjMzv | Facebook: http://on.fb.me/1nuUUeH | Twitter: http://bit.ly/1RyYxIH | Flickr: http://bit.ly/1UcnC0B | 500px: http://bit.ly/1Sy2Ngu My filming setup: Sony a7R III: B&H Photo: https://bhpho.to/2D6ibNO or Amazon: http://amzn.to/2CNxOvH | or | Sony a9 @ B&H Photo: https://bhpho.to/2HyWIyt or Amazon: https://amzn.to/2s1vYE0 Tamron 28-75mm F2.8 RXD @B&H Photo: https://bhpho.to/2FA00la or Amazon https://amzn.to/2G2kaEr Lights: Rotolight AEOS @B&H Photo https://bhpho.to/2IK7mqV | Genaray Contender @B&H Photo: https://bhpho.to/33HbGNM | and Aputure AL-MW: https://bhpho.to/2N3MtZV