Amazon.com : EF 40 mm f/2.8 STM Pancake Lens(Japan Import-No Warranty) : Camera Lenses : Electronics
You need a pancake lens! Canon 40mm review for travel photography – Finland based travel photographer – Blog About Best Places to Visit in Europe | Engineerontour
Leaked Details for Canon's New EF 40mm f/2.8 Pancake Lens | PetaPixel