Sucker opener is used, such as the removal of the decorative cover of the notch with no lens ring and the winding lever.
New Japan Hobby Tool Sucker opener Lens Repair Rubber Set of 6 from Japan
Japan Hobby Tool JHT9510C Camera Lens Spanner Wrench Repair Maintenance Tool
Camera Lens Repair Tool Kit JHT9510C Lens Opener Wrench Japan Hobby Tool
Japan Hobby Tool Anti-Reflective Foam for Camera with glue 1.5 mm JHT9541-1.5
JAPAN HOBBY TOOL optical helicoid grease # 10 JHT9110
