TY  - BOOK
AU  - Hershey,Fritz Lynn
TI  - Optics and focus for camera assistants: : art, science and zen 
SN  - 0240802004
PY  - 1996///
CY  - Boston: 
PB  - Focal Press, 
KW  - Photographic optics
KW  - Photographic lenses
KW  - Cinematography
N1  - Include Bibliography p. 285-286
ER  -