This is how Canon's Spherical Aberration dial works on the new RF 100mm f/2.8 macro - DIY Photography

Last week, Canon rehoused a couple of its old EF lenses into RF cases, but also released something brand new. A macro lens that wasn’t just an old design with an EF to RF adapter bolted on the end, but a whole new design. That lens is the Canon RF 100mm f/2.8L Macro IS USM […]