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许多影友可能熟悉并使用过增距镜,用它来增加现有摄影镜头的焦距,比如使用2X的增距镜,可使50mm标头的焦距增至100mm……那么有没有减距镜呢-用它来减小现有摄影镜头的焦距?记得在摄影媒体上有影友介绍,用近视眼镜蒙在摄影镜头前面来取得广角效果,以后有人完善这种方法-将近视眼镜片切割后装进滤光镜金属框中,增加了使用的方便性,据称“效果不错”,这大概就是最简单的“减距镜”吧?但由于滤光镜镜框中
Many filmmakers may be familiar with and used teleconverters to increase the focal length of existing photographic lenses. For example, using a 2X teleconverter, the focal length of a 50mm head can be increased to 100mm. - Use it to reduce the focal length of the existing camera? Remember in the photography media, there are shadow friends introduced with myopia glasses in front of the camera to obtain wide-angle effect, some people improve this method - the myopia lenses cut after the installation Into the filter metal frame, increasing the ease of use, allegedly “good results”, which is probably the most simple “goggles” right? However, due to the filter frame