Clay Aiken 911 Call -- Creepy Alleged Intruder Is Packin' BINOCULARS!

Clay Aiken's alleged stalker really wanted to get a good look inside the singer's house ... because according to the 911 call, the woman was armed with binoculars when she hopped his fence.

TMZ broke the story ... 57-year-old Barbara Saylor was arrested outside Clay's North Carolina house April 3rd after allegedly hopping his fence and then peering inside his front window. Clay was home.

It wasn't apparent just how bizarre the incident was ... until now. Check out the 911 tape.