information about Zoom lens field
Field Hierarchy
Parent | |||
---|---|---|---|
Biology 36.7M papers | Physics 33.6M papers | Engineering 25.6M papers | Geology 10.6M papers |
Optics 8.2M papers | Paleontology 5.6M papers | Petroleum engineering 510k papers | Lens (geology) 168k papers |
Zoom 20.6k papers | Focal length 13.8k papers | ||
Current | |||
Zoom lens 1,579 papers | |||
Child | |||
Digital zoom 0 papers | Lens speed 0 papers | 35 mm equivalent focal length 0 papers | Parfocal lens 0 papers |
Infinity focus 0 papers |
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History