"lens" después de inglés con ejemplos - Diccionario de colocaciones de inglés
- In 1857 the light was upgraded with a Fresnel lens.
- The tower later became the first to use the revolutionary Fresnel lens, in the early 1820s.
- There are many light houses, some with detailed Fresnel lenses.
- The light was concentrated and focused with a system of Fresnel lenses.
- In 1834, the light was equipped with a Fresnel lens.
- The light was a first-order Fresnel lens which stood 134 feet above the water.
- It was built and first lit in 1905 with a fifth order Fresnel lens.
- To control the focus of the light, a Fresnel lens was used.
- A last check showed the Fresnel lens was still green.
- The tower used to be white with a red band and had a Fresnel lens.
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