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

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