Originally posted by Eulogy Then buy a 82 or 87 threaded hood?(You'll probably still be saving a large chunk of dough, even for two lenses.[Hoods are cheap, glass isn't, sadly])
But for a DA18-135 you need a petal shaped hood so it doesn't vignette in the corners at wide angle.
The screw in hoods are mostly all circular if I recall correctly. Also the hood will rotate if used with a CPL and a petal or rectangular screw hood wouldn't be too good .
Just get a 62mm filter and use the DA18-135s own hood with the handy little cutout for rotating a CPL. easy.