OPTICAL IMAGE CONVERSION UNIT
To provide an optical image conversion unit that forms part of a lens system as the optical image conversion unit, and is used as an adapter removably attached to an interchangeable lens mount and an intermediate part of an optical system to expand the utilization range of an imaging apparatus.SOLUT...
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Format: | Patent |
Sprache: | eng ; jpn |
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Zusammenfassung: | To provide an optical image conversion unit that forms part of a lens system as the optical image conversion unit, and is used as an adapter removably attached to an interchangeable lens mount and an intermediate part of an optical system to expand the utilization range of an imaging apparatus.SOLUTION: There is provided an optical image conversion unit comprising a relay lens system that forms a first formed image formed on a first image forming surface of an objective lens system on a second image forming surface. The relay lens system consists of a first relay lens group and a second relay lens group. The first relay lens group emits the first formed image on the first image forming surface as a parallel beam. The second relay lens group receives incidence of the parallel beam emitted from the first relay lens and forms the beam into an image on the second image forming surface. A beam diaphragm and an optical filter are provided between the first relay lens group and the second relay lens group.SELECTED DRAWING: Figure 1
【課題】 レンズ系の一部を光学像変換ユニットとして構成し、交換レンズマウントや光学系の中間部に取り外し可能なアダプターとしたりすることで撮像装置の利用範囲を拡大する光学像変換ユニットに関する。【解決手段】 対物レンズ系の第一結像面に結像された第一結像を第二結像面に結像させるリレーレンズ系を備え、前記リレーレンズ系は第一リレーレンズ群および第二リレーレンズ群とからなり、前記第一リレーレンズ群は、前記第一結像面の第一結像を平行光束として出射し、第二リレーレンズ群は第一リレーレンズより出射された前記平行光束を入射し、第二結像面に結像させ、前記第一リレーレンズ群と第二リレーレンズ群との間に光束絞りおよび光学フィルターを備えている光学像変換ユニットを提供する。【選択図】図1 |
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