It’s for a BR-AR102S-00 Details: PACKAGE: Bresser Rich Field AR-102mm f/4.5 Doublet Refractor includes a Sturdy Steel ST1 Tripod with 1.25″ legs that extend from 25.5″ to 45″; Bresser 70 Degree 20mm 1.25″ Eyepiece; 7×50 Binoculars for terrestrial and astronomical viewing; plus, a Backpack Carrying Case. An optional adapter is available for 2″ eyepiece use. Explore Finder Scope Base installed on scope. (Finder Scope NOT Included)