Book XIII · Work shelves
NanoLens
Track Av2 local-peak grid. HYO-MESH / AST-CAP. Hg 254 and Na 589 rulers.
Types
HYO-MESH, AST-CAP, FOL-CHL, SPIKE-DRY. Local-peak override always wins. Rulers: Hg 253.7 nm, Na D 589.0 / 589.6 nm.
Practice
Photograph, measure, assign a type, then let the peak correct you. Nanometer where it fits; micrometer for tissue and plant scale. No medical-frequency overlay.