Imaging recource: Cracked and confused: Lensrentals tears down the Canon RF 100-500mm lens to locate cracked glass

Roger Cicala and the Lensrentals team ships and receives a lot of gear. Some cameras and lenses will inevitably break with regular use and more often due to accidents. Damage during shipping is rare, and if you've rented from Lensrentals, you'll understand why. They're conscientious. However, several copies of the new Canon RF 100-500mm f/4.5-7.1 lenses have returned to Lensrentals with a cracked internal lens element. In each case, it appears the crack happened during shipping. Eager to get to the bottom of the issue, they went to...
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