
Canon expands its range of zoom lenses ENG 4K 2/3 "for broadcast Los nuevos objetivos CJ45ex9.7B y CJ45ex13.6B destacan por su enfoque r pido y una estabilizaci n de la imagen (IS) mejorada.
Canon ha presentado los nuevos CJ45ex9.7B y CJ45ex13.6B, dos objetivos broadcast ENG 4K de 2/3 que destacan por su enfoque r pido y una estabilizaci n de la imagen (IS) mejorada. Ofrecen el alto rendimiento requerido para ser utilizados con las c maras broadcast 4K, gracias a la tecnolog a de dise o ptico propiedad de Canon. Las lentes de fluorita y el vidrio de Ultra Baja Dispersi n (UD) logran pticas 4K de alta calidad, desde la zona central de la imagen hasta la periferia para todas las focales del zoom, mientras que las innovaciones en el objetivo garantizan una gran nitidez y el mejor control de las aberraciones en su categor a.
Por todo ello, seg n destaca Canon, estos objetivos son ideales para la captura de im genes 4K HDR pr cticamente en cualquier entorno, desde primeros planos a vistas panor micas de recintos deportivos o lugares donde se celebran conciertos. Ambos objetivos son capaces de ofrecer una gama zoom 45x y unas longitudes focales desde 9,7 mm a 437 mm y 13,6 mm a 612 mm, respectivamente. El multiplicador 2x incorporado dobla las distancias focales, aumentando la longitud focal tele m xima del CJ45ex9.7B a 873 mm y del CJ45ex13.6B a 1.224 mm, lo que permite aumentar las posibilidades de las grabaciones con tele.
Estabilidad sofisticada
La grabaci n excepcionalmente estable est garantizada, gracias a la tecnolog a de Estabilizador de la Imagen (IS) de Canon, que es capaz de detectar y corregir de forma inteligente el movimiento de la c mara. El control y la estructura IS mejorados destacan incluso a frecuencias m s altas, por encima de 10-15 Hz, tal como ocurre cuando van montados sobre un veh culo. La calidad ptica sin rival del sistema IS de estos objetivos permite realizar grabaciones y captar im genes estables con tele, lo que los hace ideales para captar impresionantes primeros planos en documentales de naturaleza o para la grabaci n y transmisi n en directo de grandes eventos.
Las nuevas unidades servo (drive unit) incluyen un codificador absoluto de alta resoluci n de 16 bits, capaz de proporcionar un seguimiento del zoom, enfoque e iris extremadamente precisos. Estos datos pueden ser transferidos a una sistema virtual1 que permite a los usuarios combinar im genes generadas por ordenador con v deo en directo. La funci n de informaci n de las unidades servo proporciona una comodidad a adida cuando se ejecutan varias funciones, como la configuraci n de modos del usuario y el bloqueo de acceso.
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