EF vs RF: Comparing 100-400/500mm Telephoto Lenses on Canon’s R Series Cameras

An in-depth review/comparison of 4 of Canon’s super-telephoto zoom lenses popular for wildlife and sports on Canon’s mirrorless R series Bodies. Check the timestamps/chapters for individual tests. Featuring the following Canon lenses: EF 100-400mm f/4.5-5.6L IS I USM EF 100-400mm f/4.5-5.6L IS II USM RF 100-400mm f/5.6-8 IS USM RF 100-500mm f/4.5-7.1 L IS USM on the following Canon cameras: EOS R7 EOS R10 Music Used: Ovani Sound Unplugged "Resolve Main"; see Audio Library section for additional songs used. 00:00 Intro 00:39 Lens Commonalities 01:55 EF 100-400 Mark I Overview 03:12 EF 100-400 Mark II Overview 04:33 RF 100-500 Overview 06:49 RF 100-400 Overview 08:24 General Test Parameters 09:41 Image Quality Test Intro 10:57 Image Quality Test 11:48 Image Quality Discussion 13:01 Aperture Range Comparison 13:20 Lens Stabilization Test Intro 14:02 Lens Stabilization Test (R7) 14:46 Lens Stabilization Test (R10) 15:31 Lens Stabilization R7 vs R10 15:56 Lens Stabilization Discussion 16:44 Bonus - Lens Stabilization with Extender 17:00 Lens Stabilization Noise 17:39 Minimum Focus Distance Intro 18:30 Minimum Focus Distance Comparison 18:51 Stills Autofocus Test Intro 19:20 Stills Autofocus Test 21:01 Video Eye Tracking Autofocus Test 22:41 “Real World” Autofocus Test Intro 23:10 “Real World” Autofocus Test 25:23 Bokeh Test Intro 26:33 Bokeh Test 28:20 Flaring Test 29:42 Final Reviews & Recommendations 30:03 EF 100-400 Mark I Review 31:16 RF 100-400 Review 33:05 EF 100-400 Mark II Review 34:30 RF 100-500 Review 36:00 Outro