Description Explore Scientific Adapter to allow the use of the FFFR507X-00 3" 0.7x Corrector on the 2.5" Hex focuser Specs Item Number 510366 Warranty Limited Warranty is one year, which converts to the Explore STAR Transferable Extended Life of the Product Warranty when product is registered within 60 days of purchase. Click Hereto register. CA Residents: Prop 65 WARNING(S)