夏枯草

       德国一家小厂生产的，当初购买是为了那颗梅耶75/3.5镜头，想砍头转接大法使用，因为这头有传说中的泡泡焦外。

Focusing: manual front focusing

Focus range: 1-15m +inf

Shutter: Tempor leaf shutter,speeds: 1-1/250 +B

setting: ring and scale on the lens-shutter barrel

Shutter release: on the left of the top plate