equivalent focal length


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length, equivalent focal

In an optical system composed of more than one lens, it is the linear distance separating the principal focus from the corresponding principal point. It is usually the most important quantity in the specification of an optical system as in objectives, eyepieces, etc. See principal focus; equivalent power.
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It is equipped with a high-performance 20x optical zoom (up to 40x*1 when Dynamic Fine Zoom is used) NIKKOR lens that covers the wide-angle 25 mm to super-telephoto 500 mm angles of view (equivalent focal lengths in 35mm 135 format), as well as 4-axis Hybrid VR (vibration reduction) .
The S6800 is a very compact camera measuring approximately 96.8 x 57.5 x 22.9 mm (W x H x D)into which a number of advanced features, including an effective pixel count of 16.0-million pixels, a 12x optical zoom NIKKOR lens that covers the wide-angle 25mm to 300mm range of angles of view (equivalent focal lengths in 35mm 135 format), Dynamic Fine Zoom, which supports digital zoom up to 24x without compromising the high-resolution, and a Wi-FiA function that enables simple connection to smart devices, have been packed.
The S6700 is a model that offers superior image quality and high-power zoom with an effective pixel count of 20.1-million pixels, and a 10x optical zoom NIKKOR lens that covers the wide-angle 25mm to 250mm angles of view (equivalent focal lengths in 35mm 135 format) and utilizes Dynamic Fine Zoom to increase zoom capability up to 20x.
The L830 is equipped with a high-power zoom NIKKOR lens offering 34x optical zoom that covers a broad range of angles of view, from the wide-angle 22.5 mm to 765 mm (equivalent focal lengths in 35mm 135 format).

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