I recently was thrown off when shooting a location portrait with the sun behind my subject. The flare in the SL viewfinder made critical focusing or even viewing impossible. Shooting into the sun with its rim light effect on the hair is one of my go-to tricks in bright sunlight. It’s never been an issue with DSLRs. I’m thinking that because light is directly hitting the sensor in a mirrorless camera, this is an insurmountable problem. Has anyone experienced this?