information about Lens field
Field Hierarchy
| Parent | |||
|---|---|---|---|
Optics 2.6m papers | Paleontology 787k papers | Petroleum engineering 320k papers | |
| Current | |||
Lens 142k papers | |||
| Child | |||
Focal length 14.8k papers | Zoom 12.5k papers | Spherical aberration 11.8k papers | Through-the-lens metering 11.7k papers |
Microlens 5,390 papers | Simple lens 4,284 papers | Tympanic Membrane Perforation 3,632 papers | Fresnel lens 3,610 papers |
Contrast transfer function 3,333 papers | Optical axis 2,925 papers | ||
Trends
Field Trends