| 摘要 |
The present invention relates to a device (1) for carrying an optical instrument (6), the device comprising a harness (16), an arm (14), and an extendable string (12). The arm comprises a first portion being fixed in relation to the harness, and a second portion for supporting of the string, and the string comprises a first portion and a second portion, the first portion of the string being arranged for fastening of an optical instrument. The device is characterised in that the device further comprising an adjustable counter force device (26), and the second portion of the string being attached to the adjustable counter force device for providing a counter force on the string, wherein the adjustable counter force device comprising a spring (28), a lever arm (30), and a support (40) wherein the lever arm comprises a first point pivotably attached to the support, a second point attached to the string, and a third point attached to a second point of the spring, wherein a first point of the spring being pivotably attached to the support, and the second point and/or the third point of the lever arm is movable along the lever arm such that a counter force exerted by the counter force device on the string is adjustable. The present invention further relates to a use of such a device and a system comprising such a device and a camera. |
