JPH0389410U - - Google Patents
Info
- Publication number
- JPH0389410U JPH0389410U JP15003689U JP15003689U JPH0389410U JP H0389410 U JPH0389410 U JP H0389410U JP 15003689 U JP15003689 U JP 15003689U JP 15003689 U JP15003689 U JP 15003689U JP H0389410 U JPH0389410 U JP H0389410U
- Authority
- JP
- Japan
- Prior art keywords
- lens barrel
- focus adjustment
- barrel
- optical axis
- adjustment mechanism
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
- 230000003287 optical effect Effects 0.000 claims description 5
Description
第１図は本考案に係るレンズ鏡筒の一実施例を
示す要部を断面した概略側面図、第２図は本考案
を特徴づける前、後部鏡筒での焦点調節系の連結
部構造を拡大して示す拡大図である。
１……レンズ鏡筒、１ａ……前部鏡筒、１ｂ…
…後部鏡筒、１ｃ……環状突部、１ｆ……環状溝
、１ｇ……直進溝、１ｉ……円筒部、２……カメ
ラ本体、３……三脚座、４……光学レンズ系、４
ｂ……腕、５……焦点調節機構、６……レンズ開
口絞り調整機構、８……調整用ビス、１０……焦
点調節用操作リング、１０ａ……螺旋状リード溝
、１１……円筒部材、１１ａ……腕、１２……ガ
イドピン、１３……リング状部材、１３ａ……環
状溝、１５……ガイドピン。
Fig. 1 is a schematic cross-sectional side view showing an embodiment of the lens barrel according to the present invention, and Fig. 2 shows the connecting structure of the focus adjustment system in the front and rear barrels, which characterizes the present invention. It is an enlarged view shown in enlarged form. 1... Lens barrel, 1a... Front lens barrel, 1b...
... Rear lens barrel, 1c ... Annular protrusion, 1f ... Annular groove, 1g ... Straight groove, 1i ... Cylindrical part, 2 ... Camera body, 3 ... Tripod mount, 4 ... Optical lens system, 4
b... Arm, 5... Focus adjustment mechanism, 6... Lens aperture diaphragm adjustment mechanism, 8... Adjustment screw, 10... Focus adjustment operation ring, 10a... Spiral lead groove, 11... Cylindrical member , 11a... Arm, 12... Guide pin, 13... Ring-shaped member, 13a... Annular groove, 15... Guide pin.
Claims (1)
可能な状態で連結されている後部鏡筒とを備えて
なるレンズ鏡筒において、 前記前部鏡筒内に光学レンズ系を光軸方向に可
動調節する焦点調節機構を設けるとともに、 前記後部鏡筒の前部鏡筒との連結部よりも後端
側に焦点調節操作部材を配設し、 かつこれら前部鏡筒内の焦点調節機構と後部鏡
筒側の焦点調節操作部材とを、光軸回りで相対的
に回転変位可能な状態で連結したことを特徴とす
るレンズ鏡筒。[Claims for Utility Model Registration] A lens barrel comprising a front lens barrel and a rear lens barrel connected to the front lens barrel so as to be rotatable around an optical axis, wherein the front portion A focus adjustment mechanism for movably adjusting the optical lens system in the optical axis direction is provided in the lens barrel, and a focus adjustment operation member is provided on the rear end side of the connection portion of the rear lens barrel with the front lens barrel, A lens barrel characterized in that the focus adjustment mechanism in the front barrel and the focus adjustment operation member on the rear barrel side are connected to each other so that they can be rotated relative to each other around the optical axis.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP15003689U JPH087377Y2 (en) | 1989-12-28 | 1989-12-28 | Lens barrel |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP15003689U JPH087377Y2 (en) | 1989-12-28 | 1989-12-28 | Lens barrel |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH0389410U true JPH0389410U (en) | 1991-09-12 |
| JPH087377Y2 JPH087377Y2 (en) | 1996-03-04 |
Family
ID=31696405
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP15003689U Expired - Lifetime JPH087377Y2 (en) | 1989-12-28 | 1989-12-28 | Lens barrel |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH087377Y2 (en) |
-
1989
- 1989-12-28 JP JP15003689U patent/JPH087377Y2/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| JPH087377Y2 (en) | 1996-03-04 |