obje - opti
- object
- object aperture
- object plane
- objectionable books
- objective
- objective adjustment
- objective aperture
- objective cap
- objective field of view
- objective holder
- objective lens
- objective opening
- objective shutter
- oblique
- oblique light
- oblique type
- oblong double small foolscap
- oblong folding
- oblong foolscap
- oblong page
