JPH02128110U - - Google Patents
Info
- Publication number
- JPH02128110U JPH02128110U JP3633389U JP3633389U JPH02128110U JP H02128110 U JPH02128110 U JP H02128110U JP 3633389 U JP3633389 U JP 3633389U JP 3633389 U JP3633389 U JP 3633389U JP H02128110 U JPH02128110 U JP H02128110U
- Authority
- JP
- Japan
- Prior art keywords
- ring
- lens barrel
- zoom lens
- movable ring
- correction
- 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.)
- Pending
Links
- 230000003287 optical effect Effects 0.000 claims 1
Landscapes
- Lens Barrels (AREA)
Description
第１図は、この発明の実施例のズームレンズ鏡
筒の像点移動補正装置の構成を示すズームレンズ
鏡筒の上半分のみを示す断面図、第２図は、ズー
ム鏡筒を展開して示した平面図、第３図は、調整
環の側面図、第４図は、変形例のズームレンズ鏡
筒の像点移動補正装置の構成を示すズーム鏡筒の
上半分のみを示す断面図、第５図は、ズームレン
ズ鏡筒の一例を模式的に示した斜視図である。
１，１′……前、後群移動環、１ａ，１ａ′…
…直進溝、２……固定環、２ａ，２ａ′……前、
後群カム溝、２ｂ……ねじ部、３，３′……前、
後群レンズ保持枠、５，５′……前、後群カムフ
オローワーピン、６……固定ピン、６′……長溝
、８……本体取付部、９……調整ピン、１０……
調整環、１０ａ……ねじ部、１１……位置決めピ
ン、１１′……長溝。
FIG. 1 is a cross-sectional view showing only the upper half of the zoom lens barrel, showing the configuration of the image point movement correction device for the zoom lens barrel according to the embodiment of the present invention, and FIG. 2 shows the zoom lens barrel when it is unfolded. 3 is a side view of the adjustment ring, and FIG. 4 is a sectional view showing only the upper half of the zoom lens barrel, showing the configuration of the image point movement correction device of the zoom lens barrel according to a modified example. FIG. 5 is a perspective view schematically showing an example of a zoom lens barrel. 1, 1'...front and rear group moving rings, 1a, 1a'...
...straight groove, 2... fixed ring, 2a, 2a'... front,
Rear group cam groove, 2b...threaded part, 3, 3'...front,
Rear group lens holding frame, 5, 5'...Front, rear group cam follower pin, 6...Fixing pin, 6'...Long groove, 8...Body mounting part, 9...Adjustment pin, 10...
Adjustment ring, 10a... threaded portion, 11... positioning pin, 11'... long groove.
Claims (1)
と固定環の内側にレンズを保持したレンズ保持枠
が光軸方向に移動できるように構成したズームレ
ンズ鏡筒において、 移動環を前群と後群に分け、移動環に形成され
たピンを補正量分だけ偏心した調整環に接触回転
させるように構成し、調整環を回転させ、移動環
を動かして補正を行なうズームレンズ鏡筒の像点
移動補正装置。[Scope of Claim for Utility Model Registration] In a zoom lens barrel configured such that a lens holding frame holding a lens inside a moving ring and a fixed ring having mutually interlocking guide grooves and cam grooves can move in the optical axis direction. , The movable ring is divided into a front group and a rear group, and a pin formed on the movable ring is configured to rotate in contact with an adjustment ring eccentric by the amount of correction, and the adjustment ring is rotated and the movable ring is moved to perform correction. Image point movement correction device for zoom lens barrel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP3633389U JPH02128110U (en) | 1989-03-31 | 1989-03-31 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP3633389U JPH02128110U (en) | 1989-03-31 | 1989-03-31 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH02128110U true JPH02128110U (en) | 1990-10-23 |
Family
ID=31542474
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP3633389U Pending JPH02128110U (en) | 1989-03-31 | 1989-03-31 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH02128110U (en) |
-
1989
- 1989-03-31 JP JP3633389U patent/JPH02128110U/ja active Pending
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| JPS6432529U (en) | ||
| JPS63101913U (en) | ||
| JPH02128110U (en) | ||
| JPH0283515U (en) | ||
| JPS614914U (en) | lens barrel | |
| JPS62113312U (en) | ||
| JPS61132809U (en) | ||
| JPS62135130U (en) | ||
| JPS5848642Y2 (en) | Camera lens focus adjustment mechanism | |
| JPH01113208U (en) | ||
| JPH01125413U (en) | ||
| JPH02149907U (en) | ||
| JPS63101914U (en) | ||
| JPH0333421U (en) | ||
| JPH0342140U (en) | ||
| JPH01113209U (en) | ||
| JPH0264907U (en) | ||
| JPS6199815U (en) | ||
| JPS63120215U (en) | ||
| JPH0457806U (en) | ||
| JPS58159504U (en) | Lens movement prevention device for interchangeable lenses | |
| JPS63101912U (en) | ||
| JPS6449806U (en) | ||
| JPH0227105U (en) | ||
| JPS6438611U (en) |