JPH0329841U - - Google Patents

Description

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

第１図は本考案が適用されたカメラの外観図、
第２図は第１図に示したカメラの内部構成を示す
斜視図、第３図は第２図の駆動ユニツトの動力伝
達手段を示す斜視図、第４図は第３図に示した動
力伝達手段の平面図、第５図Ａ乃至Ｃはそれぞれ
前記動力伝達手段のうちの三角カム、ピント切替
カム及び対物レンズ切替カムのカム線図、第６図
Ａ乃至Ｃはそれぞれ前記動力伝達手段のうちの切
替ギアとターレツト板との間の動力伝達を説明す
るために用いた図、第７図はＴ／ＷレンズのＴレ
ンズとＷレンズ間のスラスト方向の調整を説明す
るために用いた図、第８図はＴ／Ｗレンズをカメ
ラに組み込んだのちのピント出し調整を説明する
ために用いた図、第９図は第２図に示したアイリ
スユニツトの分解斜視図、第１０図はＴ／Ｗレン
ズとアイリスユニツト中の絞り板との位置関係を
示す斜視図、第１１図は前記絞り板の詳細を示す
平面図、第１２図は第２図に示したフアインダユ
ニツトの分解斜視図、第１３図は前記フアインダ
ユニツトの対物レンズ枠、支持台及びフアインダ
本体の関係を示す斜視図、第１４図は前記対物レ
ンズ枠に配設された対物レンズの側面図、第１５
図はフアインダの光軸調整を説明するために用い
た図、第１６図は第２図に示したＡＦユニツトの
分解斜視図、第１７図はＴ／ＷレンズとＡＦユニ
ツトとの位置関係を説明するために用いた図であ
る。 ４００……フアインダユニツト、４０２……Ｔ
レンズ、４０４……Ｗレンズ、４０４Ａ……１番
玉、４０４Ｂ……２番玉、４０６……対物レンズ
枠、４２０……支軸、４２２……支持台。 Figure 1 is an external view of a camera to which the present invention is applied.
Fig. 2 is a perspective view showing the internal structure of the camera shown in Fig. 1, Fig. 3 is a perspective view showing the power transmission means of the drive unit shown in Fig. 2, and Fig. 4 is a perspective view showing the power transmission means shown in Fig. 3. Plan views of the means, FIGS. 5A to C are cam diagrams of the triangular cam, focus switching cam, and objective lens switching cam, respectively, of the power transmission means, and FIGS. 6A to C are cam diagrams, respectively, of the power transmission means. Figure 7 is a diagram used to explain the power transmission between the switching gear and the turret plate, and Figure 7 is a diagram used to explain the adjustment of the thrust direction between the T lens and the W lens of the T/W lens. Figure 8 is a diagram used to explain focus adjustment after the T/W lens is installed in the camera, Figure 9 is an exploded perspective view of the iris unit shown in Figure 2, and Figure 10 is the T/W lens. FIG. 11 is a plan view showing details of the aperture plate; FIG. 12 is an exploded perspective view of the finder unit shown in FIG. 2; FIG. 13 is a perspective view showing the relationship between the objective lens frame, the support stand, and the finder main body of the finder unit, FIG. 14 is a side view of the objective lens disposed in the objective lens frame, and FIG.
The figure is a diagram used to explain the optical axis adjustment of the viewfinder, Figure 16 is an exploded perspective view of the AF unit shown in Figure 2, and Figure 17 is used to explain the positional relationship between the T/W lens and the AF unit. This is a diagram used for this purpose. 400...finder unit, 402...T
Lens, 404... W lens, 404A... No. 1 lens, 404B... No. 2 lens, 406... Objective lens frame, 420... Support shaft, 422... Support stand.

Claims (1)

【実用新案登録請求の範囲】 テレレンズとワイドレンズとがそれぞれ対物レ
ンズ枠に近接配設されて成るフアインダ対物レン
ズユニツトを、テレレンズ使用位置とワイドレン
ズ使用位置との間で移動させ、フアインダ倍率を
テレとワイドの２段階に切り替えるようにしたフ
アインダにおいて、 前記テレレンズとワイドレンズとを一体成形し
、これを前記対物レンズ枠に装着してフアインダ
対物レンズユニツトを構成したことを特徴とする
フアインダ。[Scope of Claim for Utility Model Registration] A finder objective lens unit consisting of a tele lens and a wide lens each disposed close to an objective lens frame is moved between a tele lens use position and a wide lens use position to change the finder magnification. 1. A finder capable of switching between two stages, i.e., wide and wide, characterized in that said telelens and wide lens are integrally molded and mounted on said objective lens frame to constitute a finder objective lens unit.