Rear converter lens with macro function
专利汇可以提供Rear converter lens with macro function专利检索，专利查询，专利分析的服务。并且PURPOSE: To provide a titled lens having a macro function by fitting a tube onto a body having a converter lens fixedly, and changing an inter-flange space by moving the tube in the optical axis direction.
CONSTITUTION: A rolling wheel part 6 is fitted between a tube 4 and a body 3, and the part 6 is mounted rotatably to the body 3 by means of the screws 7 provided on the outside surface of the part 6 and the inside surface of the body 3. Helicoid screws 8 which are inverse screws of the screws 7 are provided on the inside surface of the part 6 and the outside surface of the tube 4. A key groove 9 provided on the inside surface of the tube 4 is engaged slidably with a key 10 which extends in the optical axis direction and is fixed to the body 3. A magnification scale is provided on the outside circumference of the part 6, and a fix point is indicated on the outside circumference of the body 3. When the user engages a male mount part 2 with a camera body and engages a master lens with a female mount part 5, the flange surface 11 of the part 2 fits tightly to the flange surface of the camera body, and the flange surface of the master lens fits tightly to the flange surface 12 of the female mount part 5.
COPYRIGHT: (C)1983,JPO&Japio，下面是Rear converter lens with macro function专利的具体信息内容。
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