Avantier's case study examines the high NA infinity conjugate long working distance microscope ... this objective balances resolution and depth. Covering wavelengths from 420-900 nm, it supports ...

Culture flasks were so big, that microscope objective lenses couldn't come reasonably close to the subject. Hayflick told his Leitz sales representative about the problem, and the sales rep returned ...

For more than half of her career, she used compound microscopes that required her ... The optical system consists of objective lenses and other optical components, which magnify the sample image.

Late 1600s – Dutch scientist Antonie van Leeuwenhoek constructed a microscope with a single spherical lens. It magnified up to ×275. 1800s - the optical quality of lenses increased and the ...