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现在许多影友已接受了镜头倒接作微距摄影的方法,并取得了不错的效果。但是镜头倒接后镜头“屁股”外露,很难使用遮光罩,这在逆光拍摄中易受直射光的干扰而深感不便。对此笔者经过尝试,已成功地利用镜头后盖做成倒接镜头遮光罩,现将具体做法介绍给读者。 以MD卡口镜头为例,选择一只质地厚实的镜头后盖,在后盖中央小心钻出一只>35mm的圆孔（我因缺少打孔工具,便用刻字刀在后盖两面刻划出深痕,继而取掉中央
Now many shadow friends have accepted the method of lens refraction for macro photography, and achieved good results. However, the lens “butt” is exposed after the lens is inverted, and it is difficult to use the hood, which is inconvenient in direct light shooting due to the interference of the direct light. In this regard, after I tried, the lens cover has been successfully used to make the inverted lens hood, the specific practices are introduced to the reader. To MD mount lens, for example, choose a thick lens back cover, in the middle of the back carefully drill a hole> 35mm (due to the lack of drilling tools, they are engraved on both sides of the back cover with a lettering knife Out of deep marks, then remove the central