The10-20mmconverts to 15-30mm total frame equivalent, which would fit in the place of a 16-35mm). The15mmconverts to 22.5 mm, which is close to a 24 mm lens. The11mmconverts to about 16.5mm, which would be translated as a 16mm lens. As much as they sound like they're all clu...
光圈作为摄影的基本要素之一，对于照片的成像效果起着至关重要的作用。传统上，光圈大小是通过f值来表示，它可以影响照片的曝光量和景深。然而，在不同相机系统和传感器尺寸之间，单纯的f值可能无法完全反映镜头的实际性能。因此，摄影师们需要了解等效光圈（equivalent aperture）这一概念，以便更好地掌握摄影技巧。1. “...
At the telephoto end of the zoom range the focal length is 202.5mm (35mm format equivalent), providing ample reach for general shooting as well as landscapes, wildlife, portraits, and more.High corner-to-corner resolution A new optical design that inclu...
At the telephoto end of the zoom range the focal length is 202.5mm (35mm format equivalent), providing ample reach for general shooting as well as landscapes, wildlife, portraits, and more.High corner-to-corner resolution A new optical design that include...