I somehow had a tiny drop of water get inside my 20-60 ATS eyepiece. I sent it in to swaro a couple months ago. Create an account and claim on their website. They fixed it for free and upgraded the eye cup for free. (Feels a littler nicer around the eye, textured). It took about a month or so turn around. Do it sooner than later. I’d reach out to them on which or both pieces to send tho as mentioned.