( ( ( ( ( ( ( Galileo 's ) telescope ) ( used ( ( ( Hans ( Lippershey 's ) ) design ) ( of ( ( ( a ( convex ( objective lens ) ) ) and ) ( a ( concave ( eye lens ) ) ) ) ) ) ) ) , ) and ) ( ( this design ) ( ( is now ) ( called ( a ( Galilean telescope ) ) ) ) ) ) . )
(ROOT (S (S (NP (NP (NNP Galileo) (POS 's)) (NN telescope)) (VP (VBD used) (NP (NP (NP (NNP Hans) (NNP Lippershey) (POS 's)) (NN design)) (PP (IN of) (NP (NP (DT a) (JJ convex) (NN objective) (NN lens)) (CC and) (NP (DT a) (JJ concave) (NN eye) (NN lens))))))) (, ,) (CC and) (S (NP (DT this) (NN design)) (VP (VBZ is) (ADVP (RB now)) (VP (VBN called) (NP (DT a) (NNP Galilean) (NN telescope))))) (. .)))
Galileo's telescope used Hans Lippershey's design of a convex objective lens and a concave eye lens, and this design is now called a Galilean telescope.
(ROOT (S (NP (DT The) (ADJP (RBS most) (JJ common)) (JJ two-lens) (NN telescope)) (, ,) (PP (IN like) (NP (DT the) (JJ simple) (NN microscope))) (, ,) (VP (VBZ uses) (NP (NN convex) (NNS lenses))) (. .)))