Photographer Dustin Abbott shares a review of the Viltrox EF to RF speedbooster (0.71x) smart adapter. Get the full angle of view in crop mode or 4K video with this adapter. | Visit https://bit.ly/lethelightinTV for the new channel | Purchase the Viltrox EF-RF Speedbooster at Viltrox Store: https://bit.ly/VILEF_RF071x (use code DUSTINABBOTT for 10% off) | B&H Photo https://bhpho.to/30DUhJI | Amazon https://amzn.to/3DZfRWJ Purchase a Canon EOS R5 @ B&H Photo https://bhpho.to/3iMH18x | Amazon https://amzn.to/33L3D53 | Camera Canada https://shrsl.com/2jqth | Amazon Canada https://amzn.to/3iEo6wE | Amazon UK https://amzn.to/3jLHol4 | Amazon Germany https://amzn.to/3nxaE1h | Ebay http://bit.ly/EOSR5dla Purchase a Canon EOS R6 @ B&H Photo https://bhpho.to/3dCt9g3 | Amazon https://amzn.to/3o0T4Tm | Camera Canada https://shrsl.com/2k730 | Amazon Canada https://amzn.to/3424pLc | Amazon UK https://amzn.to/2H9e6yj | Amazon Germany https://amzn.to/2T0BkJJ | Ebay http://bit.ly/EOSR6dla Check out the DA Merch here: null | Become a Patron: https://www.patreon.com/dustinabbott | On the Web: http://dustinabbott.net/ | Sign up for my Newsletter: http://bit.ly/1RHvUNp | Instagram: http://bit.ly/DLAinsta | Facebook: http://on.fb.me/1nuUUeH | Flickr: http://bit.ly/1UcnC0B | 500px: http://bit.ly/1Sy2Ngu Follow Craig @ https://www.instagram.com/craigstoffersen/ Want to support this channel? Use these affiliate links to shop at: B&H Photo: http://bhpho.to/1TA0Xge Camera Canada: http://bit.ly/DLACameraCan Ebay: http://bit.ly/DustineBay Make a donation via Paypal: https://www.paypal.com/paypalme/dustinTWI ============================= Table of Contents: ============================= 0:00​ - Intro and Concept 1:31 - Build and Design 4:25 - Autofocus 5:45 - Image Quality 7:30 - Conclusion and Pricing --------------------------------------------------------- Get a discount off all Skylum Editing Software (Luminar, Aurora HDR, AirMagic) by using code DUSTINHDR at checkout: http://bit.ly/LuminarDLA or get 10% off Exposure software by using the code dustinabbott at checkout. Visit Exposure software here: http://bit.ly/ExposureDA My filming setup: Sony Alpha 1: Camera Canada https://shrsl.com/2wdk2 | B&H Photo https://bhpho.to/3upRFZd | Amazon https://amzn.to/3t1m8MD Canon EOS R5: B&H Photo https://bhpho.to/3iMH18x​ | Amazon https://amzn.to/33L3D53​ | Camera Canada https://shrsl.com/2jqth​ Tamron 28-75mm F2.8 RXD @B&H Photo: https://bhpho.to/2FA00la, Camera Canada https://shrsl.com/2ikq2, or Amazon https://amzn.to/2G2kaEr DISCLAIMER: This video and description contains affiliate links, which means that if you click on one of the product links, I’ll receive a small commission. As an Amazon Associate I earn from qualifying purchases. Keywords: Viltrox EF-RF Speedboster, EF-RF, Speedbooster, Speed Booster, 0.71x, Viltrox EF-RF Adapter, Reducer, Review, Canon EOS R5, EOS, R5, EOS R5, mirrorless, full frame, EOS R5 Review, Canon R5 Review, Canon EOS R5 Review, Dustin Abbott, Real World, Comparison, Handling, Focus, Portraits, Resolution, High ISO, Image Quality, Sample Images, Photography, Video, 45Mp, Canon