174454 ⎘
Optical objectives characterised both by the number of the components and their arrangements according to their sign, i.e. + or - having three components only arranged + - + only one component having a compound lens the middle component having the compound
OBJECTIVE
#2Imaging optical system, imaging apparatus and electronic device
#3Rear converter lens and imaging apparatus
#4Optical system and image pickup apparatus including the same
#5Micro-projection lens