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Image Stabilized Binoculars

  • Neil T. English

摘要

Image stabilized binoculars are instruments that use advanced technology to reduce the effects of shaky hands and other movements, providing a stable and clear image. They are becoming increasingly popular among outdoor enthusiasts, nature watchers, amateur astronomers bird watchers, hunters, and other professionals who require a steady view of distant objects. The technology used in image stabilized binoculars is based on gyroscopes and sensors that detect and compensate for this undesirable movement. The most common source is hand tremors, which can occur at frequencies ranging from 3 to 10 Hz. At higher frequencies, the jitters may appear more like a blur rather than individual shakes. Higher magnifications can exacerbate any hand tremors, and small movements can cause the image to appear jittery. In addition, windy conditions can cause the image to shake with much higher frequencies (typically 20–30 Hz), as can hot air rising from the ground on warm summer afternoons. Atmospheric turbulence or heat waves can also distort the image and cause it to appear shaky.