Uploaded December 2024 | Updated September 2026, 3 weeks ago

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After several 100,000 photos, I share my long-term experience with the Canon RF 600mm f/4 L IS USM. How satisfied am I with the image quality with teleconverters? Is it worth the extra cost compared to a used EF 600mm f/4 L IS II or EF 600mm f/4 L IS III?

My equipment (affiliate links):
Canon R5 II: bhpho.to/3XvKeRG
Canon R5: adorama.rfvk.net/5gk0GN
Canon RF14-35 f/4 L IS: bhpho.to/3QeMPuq
Canon RF 35mm f/1.8 Macro: bhpho.to/3Oa5RBT
Canon RF 50mm f/1.8: bhpho.to/42b8ycc
Canon RF 100-400 f/5.6-8 IS: bhpho.to/474osGx
Canon RF 100-500 f/4.5-7.1 L IS: bhpho.to/45FriR5
Canon RF 600mm f/4 L IS: bhpho.to/48YNuHT
Canon RF 1.4x Teleconverter: bhpho.to/3RW1cWj
Canon RF 2x Teleconverter: bhpho.to/3GY9YNs

Here are the accessories mentioned for the RF600mm f/4 L IS:
LensCoat RF600/4 bhpho.to/4buaMXO
Wimberley Lens Foot for RF600/4: bhpho.to/3vGlvyt
Tragopan Raincover: tinyurl.com/rc4ycz2s

And here is the corresponding video:
youtu.be/P9Fjsy14BdI

Buy me a coffee: buymeacoffee.com/fabianfopp

Do you want to get better bird pictures? Check out my E-Book: fabianfopp.com/?page_id=466

I use the following software for noise reduction (affiliate links):
DXO Pure Raw: tidd.ly/42l1Lwi
Topaz Photo AI: topazlabs.com/topaz-photo-ai/ref/901/?campaign=en


Videos - Reviews:
Canon RF 100-500mm Review: youtu.be/olgDE2C7_T4
The perfect tripod head?