information about Zoom lens field
Field Hierarchy
| Parent | |||
|---|---|---|---|
Biology 35.4M papers | Physics 32.1M papers | Engineering 24.4M papers | Geology 9.3M papers |
Optics 8M papers | Paleontology 5.4M papers | Petroleum engineering 477k papers | Lens (geology) 163k papers |
Zoom 20.2k papers | Focal length 13.3k papers | ||
| Current | |||
Zoom lens 1,576 papers | |||
| Child | |||
Trends