Meade Series 4000 f/3.3 Focal Reducer and Field Flattener with Variable T-Adapter with instructions. This Focal Reducer is for CCD work only. It does not work for visual or photographic applications. Multi-Coated with 41mm clear aperture. Can be adjusted to: f/10 > f/3.3 > f/5 > f/3 or f/6.3 > f/2.0 > f/3.15 > f/1.9 with the Variable T-Adapter. 3 months old
$100.00 U.S. Dollars. (Money Order or Cashiers Check) I will pay shipping and insurance to the lower 48 States. Outside of the lower 48 states buyer pays shipping and insurance.