( First ( , ( ( ( ( ( wet it ) ( with ( the ( lens cleaner ) ) ) ) and ) ( ( use ( a ( soft ( drilling ( type ( motion right ) ) ) ) ) ) ( into ( ( the ( concave portion ) ) ( of ( the ( front lens ) ) ) ) ) ) ) . ) ) )
(ROOT (S (ADVP (RB First)) (, ,) (VP (VP (VB wet) (NP (PRP it)) (PP (IN with) (NP (DT the) (NN lens) (NN cleaner)))) (CC and) (VP (VB use) (NP (DT a) (JJ soft) (NN drilling) (NN type) (NN motion) (NN right)) (PP (IN into) (NP (NP (DT the) (JJ concave) (NN portion)) (PP (IN of) (NP (DT the) (JJ front) (NN lens))))))) (. .)))
First, wet it with the lens cleaner and use a soft drilling type motion right into the concave portion of the front lens.
(ROOT (S (NP (DT A) (JJ concave) (NN lens)) (VP (VBZ is) (NP (NP (JJR thicker)) (PP (IN at) (NP (DT the) (NNS edges)))) (SBAR (IN than) (S (NP (PRP it)) (VP (VBZ is) (PP (IN in) (NP (DT the) (NN middle))))))) (. .)))
A concave lens is thicker at the edges than it is in the middle.