I was looking for a circular polariser in local brick and mortar stores but they seemed pretty expensive... So I did a search online and found a store selling them for way cheaper (half-price or less). What do you guys think? Tried to link them but was told I'm not allowed to hmm... It's called...
What I personally do is to wipe water with a microfibre cloth, then for the remaining watermarks, clean it away with a lens pen! It's really effective! :)