Amazing Value or WASTE OF MONEY? Sigma 150-600mm Contemporary Review for Bird Photography

I was
nsively on my Canon EOS R5 for several weeks and took more than 6000 photos with it. How does it perform in practice? Is it an alternative to the much more expensive Canon RF 100-500mm L IS? I tested the sharpness, autofocus, image stabilizer and general handling for you.
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YouTube channel membership:    / @fabianfoppnaturephotography  

Topaz Image Quality Bundle (for resharpening and denoising*): https://www.topazlabs.com/image-quali...

Here is the video of Duade Paton (autofocus settings for the Sigma 150-600):    • Sigma 150-600mm BEST Settings To Redu...  

You can buy the Sigma here*: https://amzn.to/3XSYfWE

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Chapters:
00:00 Introductions
02:23 Specifications and Handling
07:50 Image Quality
10:28 Autofocus
13:05 Sample Images
13:56 Image Stabilization
16:34 Background Blur
18:00 Tips for using the lens
19:50 Conclusion