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SIGMA 28-70 mm F / 2.8 DG DN Montura Sony E contemporánea

El Sigma 28-70 mm F / 2.8 DG DN Contemporary es un objetivo zoom estándar profesional en una carcasa compacta. Un rendimiento óptico excepcional se combina con una apertura rápida y constante. Esta versión tiene la montura Sony E.

El diseño óptico se basa en el 24-70 mm F / 2.8 DG DN de la gama Art, pero el objetivo es significativamente más pequeño y ligero. A pesar de esto, no se han hecho concesiones en términos de desempeño. El diseño incluye tres lentes asféricas, dos FLD y dos SLD. Estos aseguran una excelente corrección de la aberración cromática axial y la aberración de coma sagital para lograr una nitidez uniforme desde el centro hasta la esquina. Además, el revestimiento supermulticapa y nanon poroso aseguran un control perfecto de los destellos y las imágenes ricas en contraste en la retroiluminación. Por último, la lente frontal cuenta con un revestimiento repelente al agua y al aceite, lo que facilita su limpieza.

El de 28-70 mm pesa solo 470 gramos, lo que lo hace práctico para llevarlo a cualquier lugar. Su elemento de enfoque ligero mantiene compacta la unidad de enfoque automático. En combinación con el motor de paso rápido extremadamente silencioso, todo esto da como resultado un rendimiento de enfoque automático sensible y casi silencioso. De acuerdo con el concepto de diseño de la gama Contemporary, la lente presenta una construcción a prueba de polvo y salpicaduras en la montura y botones más pequeños. Los materiales y la tecnología de alta calidad garantizan que todas las piezas funcionen y sigan funcionando correctamente, incluso bajo fluctuaciones extremas de temperatura.

[description_short] =>
  • Lente con montura tipo E / formato de fotograma completo
  • Rango de apertura: f / 2.8 af / 22
  • Dos elementos FLD, dos elementos SLD
  • Tres elementos asféricos
  • 16 elementos en 12 grupos
  • Tres lentes asféricas, dos FLD y dos SLD
  • Recubrimiento súper multicapa y nanon poroso
  • Motor extremadamente silencioso y de paso rápido
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SIGMA 28-70MM F2.8 DG DN CONTEMPORARY SONY E

ID de producto: 14635

EAN: 085126592653

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Más información

  • Lente con montura tipo E / formato de fotograma completo
  • Rango de apertura: f / 2.8 af / 22
  • Dos elementos FLD, dos elementos SLD
  • Tres elementos asféricos
  • 16 elementos en 12 grupos
  • Tres lentes asféricas, dos FLD y dos SLD
  • Recubrimiento súper multicapa y nanon poroso
  • Motor extremadamente silencioso y de paso rápido

More details

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More info

SIGMA 28-70 mm F / 2.8 DG DN Montura Sony E contemporánea

El Sigma 28-70 mm F / 2.8 DG DN Contemporary es un objetivo zoom estándar profesional en una carcasa compacta. Un rendimiento óptico excepcional se combina con una apertura rápida y constante. Esta versión tiene la montura Sony E.

El diseño óptico se basa en el 24-70 mm F / 2.8 DG DN de la gama Art, pero el objetivo es significativamente más pequeño y ligero. A pesar de esto, no se han hecho concesiones en términos de desempeño. El diseño incluye tres lentes asféricas, dos FLD y dos SLD. Estos aseguran una excelente corrección de la aberración cromática axial y la aberración de coma sagital para lograr una nitidez uniforme desde el centro hasta la esquina. Además, el revestimiento supermulticapa y nanon poroso aseguran un control perfecto de los destellos y las imágenes ricas en contraste en la retroiluminación. Por último, la lente frontal cuenta con un revestimiento repelente al agua y al aceite, lo que facilita su limpieza.

El de 28-70 mm pesa solo 470 gramos, lo que lo hace práctico para llevarlo a cualquier lugar. Su elemento de enfoque ligero mantiene compacta la unidad de enfoque automático. En combinación con el motor de paso rápido extremadamente silencioso, todo esto da como resultado un rendimiento de enfoque automático sensible y casi silencioso. De acuerdo con el concepto de diseño de la gama Contemporary, la lente presenta una construcción a prueba de polvo y salpicaduras en la montura y botones más pequeños. Los materiales y la tecnología de alta calidad garantizan que todas las piezas funcionen y sigan funcionando correctamente, incluso bajo fluctuaciones extremas de temperatura.

 
Data sheet
Tamaño filtro 67mm
Tamaño del Sensor Formato completo
 
ESPECIFICACIONES

Longitud focal

28 a 70 mm

Apertura máxima

f / 2.8

Apertura mínima

f / 22

Montura del lente

Sony E

Compatibilidad de formato

Fotograma completo

Punto de vista

75,4 ° a 34,3 °

Distancia mínima de enfoque

7.5 "/ 19 cm

Ampliación máxima

3.3 a 4.6x

Diseño óptico

16 elementos en 12 grupos

Cuchillas de diafragma

9, redondeado

Tipo de enfoque

Autoenfoque

Estabilización de imagen

No

Tamaño de filtro

67 mm (delantero)

Dimensiones (ø x L)

72,2 x 101,5 mm / 2,8 x 4 "

Peso

16.6 oz / 470 g
 
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