eva -(hmy si-1 w1)/(umy si-1 w1) ! the back focal length of wavelength 1 q7itznQSKc eva -(hmy si-1 w2)/(umy si-1 w2) ! the back focal length of wavelength 2
daoyeer
2021-10-21 10:44
zebra:eva -(hmy si-1 w1)/(umy si-1 w1) ! the back focal length of wavelength 1 + [ +4h}? eva -(hmy si-1 w2)/(umy si-1 w2) ! the back focal length of wavelength 2 (2021-10-18 21:45) `k ^d)9
