DIFF Subgroup
G03B 17/20 visible in viewfinder
Introduced: September 1968
Full Title
Full titles differ between systems:
IPC:
Details of cameras or camera bodies; Accessories therefor > Signals indicating condition of a camera member or suitability of light > visible in viewfinder
CPC:
Details of cameras or camera bodies; Accessories therefor (lens hoods or caps G03B11/04) > Signals indicating condition of a camera member or suitability of light (indicating depth of field G03B13/30) > visible in viewfinder
No child classifications to compare. This is a leaf node in both IPC and CPC.