Things You'll Need
Instructions
Detach the front element retaining ring using a spanner wrench. Use caution while removing the ring to ensure that the part does not become warped or bent from removal force.
Detach the rear element assembly -- residing behind the retaining ring -- with a spanner wrench.
Unscrew the focus ring stop screw from the lens' exterior surface with a small screwdriver.
Remove the focus ring from the lens' body by turning it with your hands.
Unscrew the two forward focusing element assembly screws with a small screwdriver. The screws reside near the focus ring threads. Pull the internal front focus assembly out from the main lens housing.
Detach the access cover screw with a small screwdriver. This screw resides on the tripod collar ring. Rotate the tripod collar ring around the housing to remove the six hidden screws with a small screwdriver.
Pull the Vivitar lens apart, revealing the middle lens area. Place a spanner wrench on the exposed lens frame and turn the assembly. The lens should thread outward, ready for cleaning or replacement.