-40%

Large Four Vane Spider and 3.5" Elliptical Diagonal Holder

$ 52.8

Availability: 22 in stock
  • Condition: nice used
  • Brand: Astron Systems?
  • Type: Four Vane Spider and 3.5" mirror holder
  • All returns accepted: ReturnsNotAccepted

    Description

    This is a large four vane spider and an adjustable diagonal holder for a 3.5" minor axis elliptical diagonal. No diagonal just the spider and holder.  The holder is fully adustable for collimation.  The spider fits a tube of minimum 22.5" or 23" inside diameter. Can fit a larger tube with longer mounting screws.