JPH01133108U - - Google Patents

Description

【図面の簡単な説明】[Brief explanation of the drawing]

第１図は本発明の一実施例の断面図、第２図は
第１図の実施例の分解斜視図、第３図は従来例の
断面図である。 １，１′……鏡筒、２……外装、３，４……押
え環、５……間座、６……保持部材、Ｌ_１〜Ｌ_５
……レンズ。 FIG. 1 is a sectional view of an embodiment of the present invention, FIG. 2 is an exploded perspective view of the embodiment of FIG. 1, and FIG. 3 is a sectional view of a conventional example. 1, 1'... Lens barrel, 2... Exterior, 3, 4... Holding ring, 5... Spacer, 6... Holding member, L ₁ to _{L 5}
……lens.

Claims (1)

【実用新案登録請求の範囲】 (1) 複数個のレンズを鏡筒内に保持せしめて成
る多群レンズ装置において、複数個の凸部を有す
る保持部材を鏡筒に外部から嵌合せしめ、前記凸
部により前記レンズの全部若しくは一部を保持又
はレンズ相互間の間隔を所定の距離に確保せしめ
て成ることを特徴とする多群レンズ装置。 (2) ３個の保持部材を鏡筒に嵌合せしめて成る
実用新案登録請求の範囲第１項記載の多群レンズ
装置。[Claims for Utility Model Registration] (1) In a multi-group lens device comprising a plurality of lenses held in a lens barrel, a holding member having a plurality of convex portions is fitted into the lens barrel from the outside, A multi-group lens device, characterized in that all or some of the lenses are held by a convex portion or a predetermined distance is maintained between the lenses. (2) A multi-group lens device according to claim 1, which is comprised of three holding members fitted into a lens barrel.