... and camera adapter for your option.other super achromatic refractor telescope:5inch,D=127mm,f=635mm,other objective size of achromatic refractor ... ,D=127mm,f=1200mm,5inch,D=127mm,f=820mm,4inch,D=102mm,f=1000mm,4inch,D=102mm,f=660mm.other ED APO refractor telescope:3 ... .15inch,D=80mm,f=480mm,4inch,D=102mm,f=700mm,5inch,D=127mm,f=952mm.