2009 Jul 30 2009
World's first hybrid image stabilization, Canon
Canon Inc., Japan, presents a world first for use in interchangeable lenses for SLR cameras: Image Stabilizer compensates for the hybrid (Hybrid IS), the camera shake during pivoting movements and shifts of the camera. USM zahlreiche weitere, bildstabilisierende Objektive entwickelt. Already in 1995, Canon was able to score with the idea of the world's first interchangeable lens for SLR cameras with an optical image stabilizer to minimize camera shake and after the EF 75-300mm 1:4-5.6 IS USM developed numerous other image-stabilizing lenses. The launch of the first objective with the new hybrid technology is planned for later this year.
Canon Hybrid Image Stabilization
According to Canon, the new Canon compensated hybrid IS technology effectively blurring that can arise from unintentional pivoting motions (rotation) and displacements (linear) of the camera. By camera movement (movement parallel to the main motif) occur mainly due to camera shake in Macro photography and close-ups such as tight portraits, which they accept. Even in standard situations cause sudden changes of camera angle often significant blurring.
Two sensors are used in the new technology is used: an angular velocity and an acceleration sensor. The angular velocity sensor detects and recognizes Mitziehbewegungen pan. He was already part of all previous methods for optical image stabilization. The acceleration sensor allows the detection of camera shake caused by moving the camera. It also uses the hybrid image stabilizer, a new algorithm that takes into account the readings of both sensors and lenses in the lens moves in such a way that both types of image blur are reduced considerably. This optimizes the previous image stabilization and is perfect, especially in macro photography, in the conventional image stabilization techniques have proven particularly difficult.
Already in the 80s started to Canon, the research for methods to compensate for camera shake. USM das weltweit erste Wechselobjektiv für Spiegelreflexkameras mit einem optischen Bildstabilisator zur Minimierung von Verwacklungsunschärfen. In 1995, then presented with the Canon EF 75-300mm 1:4-5.6 IS USM, the world's first interchangeable lens for SLR cameras with an optical Image Stabilizer to minimize camera shake. Since then the company has developed many other interchangeable lenses with image stabilization. USM , das Aufnahmen mit einer bis zu vier Stufen längeren Verschlusszeit ermöglicht. In the current range are 21 of these lenses, including the EF 200mm 1:2 L IS USM, the recordings with up to four stops slower shutter speed allows.
Canon provides for integrating the new Hybrid IS technology into a wide variety of products.
Technology Policy:
Image Stabilizer (IS = Image Stabilizer engl.):
Camera shake is a major cause of blurred images, especially when used without a tripod or when shooting with slow shutter speed in low light conditions. Canon's image stabilization technology, identified by the initials IS (Image Stabilizer for) in the product, uses a shift system for the detection and correction of image blur. By pressing the shutter button halfway, the image stabilization is activated. Tiny gyro-sensors register the lens vibration and send a signal to a microcomputer, which in turn controls a stabilizing element to compensate for the movements along the horizontal and vertical axes of the camera. To prevent unintended panning and tilting is interpreted mistakenly as camera shake, some telephoto and telephoto zoom lenses with IS mode to work second For some selected lenses the IS-2 mode is activated automatically. Takes a movement in a certain direction longer than a predetermined time, in such a case, the image stabilizer is turned off for this movement.
EF lenses with IS technology enable precise, brilliant images with up to four stops slower shutter speed than conventional lenses - ideal for shooting situations where flash photography is not permitted or desired.
