Let’s Fix a 30 degree that has a rusty donut in the shutters

1. Gather Tool: The only tool you need is a philips screw driver.
   
   
   
2. Remove Screws: Remove the four screws located near the shutters and circled in the photo
   
   
   3 Separate : Seperate the reflector half (top) from the lens tube (bottom)
   
   
   4 Remove: Remove the rusty donut and throw it away
   
   
   5 Assemble: Fit the two halves back together and put the screws back in