[david booth (david)]

I Got this with a scope a ed150 its new and comes minus box 0.85x Focal Reducer/Flattener For 80/100/120/150ED DS-PRO open to offers there $449 new

• Optimised for the Sky-Watcher Evostar ED PRO (and equivalent Equinox) APO refractors
• Reduces the telescopes focal length by a factor of 0.85x
• Provides much improved field-edge correction
• Use in conjunction with a Sky-Watcher DSLR-M48 Ring Adaptor.
• Description
  
  Sky-Watcher 0.85x Focal Reducer/Flattener For 80/100/120/150ED DS-PRO
  Designed for serious astro-photographers. Each model is optimised for the corresponding model in the Sky-Watcher Evostar-ED DS-Pro range. They effectively reduce the telescopes focal length by a factor of 0.85x and provide much improved field edge correction. You will need to use a Sky-Watcher DSLR-M48 Ring Adaptor to connect this to your telescope