Tony Northrup responds to criticisms about if some Photography Equipment Manufacturers are using crop factor to mislead buyers

Tony explains on his YouTube Channel:

I respond to criticisms of my crop factor tutorials, including corrections. Please share!

TABLE OF CONTENTS:
0:00 - Introduction
1:28 - Focal Length & Crop Factor
3:35 - ISO & Crop Factor(2)
15:00 - Aperture & Crop Factor
21:18 - Panasonic misleading consumers
27:10 - Sony misleading consumers
29:53 - Olympus misleading consumers
30:50 - Panasonic misleading consumers (again)
32:01 - Fuji misleading consumers
33:18 - The Good Guys: Canon, Nikon, Fuji, Sigma, Metabones, Voigtlander, and You
36:51 - Summary

Text and video via Tony Northrup