Ключевые слова: achromatic, biological, biology, blue, chemistry, clinic, clinical, closeup, education, enlarge, equipment, glass, instrument, lab, laboratory, lens, light, macro, magnification, magnify, magnifying, medical, medicine, micro, microbiology, microscope, microscopy, object, objective, one, optical, optics, research, school, science, scientific, study, technology, tone, tool,