▲ 6 ▼ Why does auto focus work so poorly when trying to take a picture through smudged glass? (self.nostupidquestions) submitted 1 month ago by HobbitFoot to c/nostupidquestions@lemmy.world 13 comments fedilink hide all child comments
[–] Kolanaki@pawb.social 4 points 1 month ago Because it can't tell when it's focused if the lens is smudgey and smearing the image. It sees what you see for the most part. permalink fedilink source