T2-PK 转接环 （Adapter for Pentax)
thingiverse
适用于宾得PK卡口的T2-PK转接环。主要用于将使用T2卡口的折返镜头连接至宾得机身。 如果在使用过程中有任何建议，欢迎在评论区留言。 T2-PK adapter for Pentax PK mount. Mainly used to connect reflex mirror lenses using T2 mount to Pentax bodies. If you have any suggestions on it, please feel free to leave them in the comment section.
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