Information om | Engelska ordet FOCIMETER

Exempel på hur man kan använda FOCIMETER i en mening

• In 1848 he produced the photographometer, an instrument designed to measure the intensity of photogenic rays; and in 1849 he brought out the focimeter, for securing a perfect focus in photographic portraiture.
• A lensmeter or lensometer (sometimes even known as focimeter or vertometer), is an optical instrument used in ophthalmology.

Förberedelsen av sidan tog: 105,57 ms.