[填空题]
An astronomical telescope has a magnif to*e*d kaq1 pbm5uqohb*;1 k,ication 2j p)j4sj*iigof 8.0. If the two lenses are 28 $cm$ apart, determine the focal length of each lens.
The focal length of the eyepiece lens is cm
The focal length of the objective lens is cm