00452cz a2200169n 4500
sh 85075999
DLC
19861219070124.7
860211|| anannbab| |b ana |||
sh 85075999
DLC
DLC
DLC
QB85
QB135
Astronomical instruments
QC385
Optics
Lenses
Aberration, Chromatic and spherical
Chromatic aberration (Optics)
g
Optical instruments