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XA5 and XA0: Canons two new proposals for video profeionals and enusiasts

15/10/2013

XA25 and XA20: Canons two new proposals for video professionals and enthusiasts Las dos nuevas c maras de Canon combinan un sistema de imagen totalmente nuevo, con audio profesional y conectividad Wi-Fi, en un equipo compacto y vers til que encaja perfectamente en la palma de la mano.

Canon ha ampliado su gama de videoc maras de mano con el lanzamiento de dos nuevos modelos profesionales de la serie X, el XA25 y el XA20. Ambas c maras combinan un sistema de imagen totalmente nuevo y potente, con audio profesional y conectividad Wi-Fi, en un equipo compacto y vers til que encaja perfectamente en la palma de la mano.

Estos modelos cuentan con unas prestaciones muy eficientes, que proporcionan una calidad y unas posibilidades de manejo espectaculares. El sistema Canon V deo HD ha sido redise ado totalmente, desde el objetivo al sensor de imagen y el procesador, lo que permite conseguir unos nuevos niveles de prestaciones de la imagen. Su gran variedad de funciones de grabaci n y de opciones de conexi n avanzadas hacen que estas c maras resulten ideales tanto para un uso profesional como por parte de los aficionados, permitiendo grabar cualquier acontecimiento, desde noticias a documentales o bodas.

ptica de primera clase

Las c maras XA25 y XA20 ofrecen un sistema de imagen completamente nuevo, desarrollado para proporcionar una calidad de imagen y gran versatilidad. Un nuevo objetivo angular muy innovador, con zoom 20x y una gama focal de 26,8-576 mm, emplea la tecnolog a ptica aplicada en la videoc mara XF305, la m s alta de la gama de Canon. El sistema de Estabilizador ptico de la imagen (OIS) de 3 modos mejorado incorpora un modo OIS Din mico que reduce a n m s los efectos del movimiento de la c mara durante la grabaci n. La abertura circular de 8 hojas tambi n permite obtener un bokeh' (desenfoque del fondo) mejorado, mediante la utilizaci n de la tecnolog a de Diafragma Electromagn tico, exclusiva de Canon (originalmente desarrollada por Canon para su gama de objetivos EF) para garantizar la consecuci n de im genes bellas con el fondo desenfocado en tomas con una profundidad de campo reducida.

El nuevo sensor CMOS HD Pro de tipo 1/2,84 y 2,91 megap xeles ofrece un rango din mico y unos resultados excelentes con poca luz. El mayor tama o del sensor maximiza el rea del transductor fotosensible, gracias a la combinaci n de un sistema de procesamiento de la imagen avanzado para la reducci n del ruido de la imagen y una mayor sensibilidad en entornos con luz escasa.

La capacidad de procesamiento del DIGIC DV 4 proporciona una reproducci n de la imagen mejorada, lo que potencia las capacidades de la familia DIGIC DV, tales como una gradaci n suave y una reproducci n fiel de los colores, lo que permite grabar a velocidades con mayor n mero de datos. El sensor y el procesador funcionan de forma combinada para eliminar los efectos del movimiento de la c mara, potenciando los efectos de un sistema IS ptico muy eficiente con estabilizaci n electr nica, que detecta y compensa el movimiento en un mayor n mero de direcciones.

Control creativo completo

Dise ados para ofrecer la m xima flexibilidad, todos los nuevos modelos son compatibles con diversos formatos de grabaci n. El formato AVCHD (hasta 28 Mbps) y el formato MP4 (hasta 35 Mbps) permiten velocidades de transferencia en bits m s r pidas, adecuadas para muchas aplicaciones profesionales. El v deo se graba en sendas ranuras para tarjetas SD en una serie de resoluciones y velocidades fps (fotogramas por segundo) de hasta 1080/50p, con opciones de grabaci n lenta y r pida en el modo MP4, lo que ofrece una mayor libertad de elecci n del ajuste adecuado, en funci n de las necesidades creativas.

Todos los modelos tambi n permiten la grabaci n simult nea en formatos diferentes en cada tarjeta, lo que proporciona al usuario la capacidad de grabar a la vez v deo con alta calidad Full HD en el formato deseado y en archivos MP4 m s peque os. Esto, que es posible gracias a la potencia del procesador DIGIC DV 4, permite que los archivos m s peque os puedan ser compartidos m s f cil y r pidamente en aquellos casos en los que el tiempo sea un aspecto fundamental, mientras que las copias de alta calidad pueden guardarse para un uso posterior.

Caracter sticas optimizadas para los profesionales

Las videoc maras XA25 y XA20 incorporan el mismo concepto de asa desmontable lanzado con la popular Canon XA10. Muy f cil de montar y desmontar, seg n las condiciones de grabaci n, el asa superior cuenta con una serie de controles adicionales, incluyendo las entradas XLR para grabar sonido con calidad profesional a trav s de micr fonos externos. El asa tambi n lleva incorporada una l mpara IR para mejorar las capacidades de grabaci n de los modelos XA25 y XA20, algo que resulta ideal para la grabaci n de documentales nocturnos o naturaleza y fauna salvaje por la noche.

Los tres nuevos modelos cuentan con un cuerpo compacto de dise o ergon mico, que hace posible un manejo y un control excelentes durante la grabaci n. La nueva pantalla t ctil OLED (LEDs org nicos) de 8,77 cm (3,5 ) y 1,23 millones de p xeles proporciona una resoluci n y contraste mayores, as como una reproducci n del color mejorada, tanto durante la grabaci n como en la reproducci n. Los usuarios pueden ejercer un control completo sobre la exposici n, ya que mediante una combinaci n de la pantalla t ctil y el dial de control personalizable se pueden ajustar la abertura, la velocidad de obturaci n, el iris, la ganancia y la exposici n.

El zoom y el enfoque se pueden activar mediante un anillo ajustable situado en la parte frontal del objetivo de la c mara. Adicionalmente, una nueva palanca del zoom integrada en el cuerpo de la c mara resulta ideal para grabar tanto cuando se sujeta la c mara con las manos como cuando se monta en un tr pode, lo que permite un control preciso y la c
LINK: http://www.panoramaaudiovisual.com/en/2013/10/15/xa25-y-xa20-dos-nueva...
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