Just like with any 2x teleconverter, the focal length of the attached lens is doubled, with a consequent aperture reduction of two f/stops. As such, a 70-200mm f/2.8 zoom effectively becomes roughly a ...

Les liens présentés ci-dessus pourraient ne pas fonctionner en présence d'un bloqueur de publicités. L'Extender RF 2x est un téléconvertisseur par la marque japonaise Canon. Il est compatible avec les ...

Canon's two new EF extenders are direct replacements of the current extenders offered by Canon as essential accessories for professionals. These new extenders have been designed to provide faster ...

Canon has introduced the newest member in its HDgc Series of portable HD zoom lenses. The new KJ20x8.2B IRSD portable HD lens is specifically designed to support low-cost image acquisition systems for ...