achromat

noun 0.702

lens

noun 0.620

convex lens

noun 0.601

long lens

noun 0.577

magnetic lens

noun 0.574

chromatic aberration

noun 0.570

gravitational lens

noun 0.568

achromatopsia

noun 0.564

optical glass

noun 0.549

immersion lens

noun 0.549

wide-angle lens

noun 0.545

zoom lens

noun 0.542

monochromator

noun 0.532

close-up lens

noun 0.527

lenticular

noun 0.520

monochrome

noun 0.516

lensing

noun 0.512

light microscope

noun 0.508

dioptric

noun 0.508

optical microscope

noun 0.504

simple microscope

noun 0.502