CN2055261U - 特技彩色照片扩印装置 - Google Patents

特技彩色照片扩印装置 Download PDF

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Publication number
CN2055261U
CN2055261U CN 89214645 CN89214645U CN2055261U CN 2055261 U CN2055261 U CN 2055261U CN 89214645 CN89214645 CN 89214645 CN 89214645 U CN89214645 U CN 89214645U CN 2055261 U CN2055261 U CN 2055261U
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enlarging
lens
enlarge
printing equipment
special effects
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CN 89214645
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吕增源
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Pin Zengyuan
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Pin Zengyuan
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Abstract

本实用新型涉及一种用于特技彩色照片扩印的装置,包括由镜片和镜圈组成的放大镜头,在镜圈的调焦螺纹处镶接一个接圈,使之能任意改变镜头前后镜片间距离,将底片夹框的底板上的曝光口扩大并在其上面设有两条磁铁,用本实用新型能扩出135底片的全幅的照片,并能扩出带有白边的裱照,还能对底片作局部扩印。

Description

本实用新型涉及一种用于特技彩色照片扩印的装置。
现有的彩色照片扩印技术和设备通常只能扩印出3R(89×127mm)或5R(127×178mm)规格的照片,在扩印时对底片的四周景物必定要遮掉一圈,尤以长度的两边为甚。这不仅降低了底片的实际使用率,往往还会造成画面的残缺不全,大大影响了照片的艺术效果,特别是对一些艺术性较强,或底片缺损要求局部扩印的照片,现有的技术与设备更是无能为力了,由于现有彩色扩印的局限性至使彩色照片扩印显得很单调。
本实用新型的目的就是为了解决上述问题,通过对现有扩印设备的改革,开发一种特技彩扩,使彩色照片达到与众不同的艺术效果。
本实用新型是这样构成的,对现有的普通彩扩设备的镜头和底片夹框作如下改革,在镜圈的调焦螺纹处镶接一个接圈,使之能任意改变镜头前后镜片间距离,以减缩或调整成象倍率及画幅尺寸比例。将底片夹框的底板上的曝光口扩大至36mm~42mm×54mm~72mm,並在其上面设有两条磁铁以任意调整局部扩印所需的成象画面结构。
本实用新型的优点是对大量引进的彩色照片冲洗扩印设备的一种改进,它能扩出135底片全幅的照片,並能根据不同的需要扩出带有白边框的裱照,从根本上解决了目前彩色扩印四周遮边的疑难,局部扩印的技术应用能对底片任何一部分进行局部彩色扩印,从而产生了3R系列书签式、名片式、贺年卡式及5R系列加长、超长宽幅式等多姿多彩、规格多样、表现力丰富的艺术型彩色照片,一改过去彩色扩印单一化,表现力差的毛病。
图1是本实用新型镶接圈的剖视示意图。
图2是本实用新型底片夹框底板的示意图。
图中1是前镜片组、2是前镜圈、3是接圈、4是后镜圈、5是后镜片组、6是夹框底板的边框、7是磁铁、8是曝光口。
下面是本实用新型的实施例:
按1/f=1/u+1/v(f为焦距,u为物距,v为象距)的共轭焦距理论,初步算出镜头焦距的范围在88mm~85mm,选择90mm试验基本接近要求,但扩出的5R照片画面尚嫌小些,根据焦距长、放大倍率小、焦距短、放大倍率大的原理,在现有镜头的调焦螺纹处镶上一螺纹接圈,使镜头前后镜间距离增长2.5mm~3.2mm,然后用对焦板重新对焦、调节物距与相距的比例。
加工一块底片夹框底板,其外边框的尺寸可按原扩印机的要求而定,只是适当扩大其曝光口,扩至36mm~42mm×54mm~72mm,並在曝光口的两边镶入两条磁铁,如要对底片作局部扩印时,只需将夹有底片的夹框在夹框底板上按需要作相应的移动,便能完成“镜头内裁切”的过程,扩出所需的局部。

Claims (2)

1、一种用于特技彩色照片扩印的装置,包括由镜片和镜圈组成的放大镜头和与其相配的底片夹框,其特征是在镜圈的调焦螺纹处镶接一个能任意改变镜头前后镜间距离的接圈,在扩大了的底片夹框的底板上设有两条磁铁。
2、根据权利要求1所述的装置,其特征是底片夹框底板的曝光口的尺寸为36mm~42mm×54mm~72mm。
CN 89214645 1989-07-26 1989-07-26 特技彩色照片扩印装置 Withdrawn CN2055261U (zh)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN 89214645 CN2055261U (zh) 1989-07-26 1989-07-26 特技彩色照片扩印装置

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN 89214645 CN2055261U (zh) 1989-07-26 1989-07-26 特技彩色照片扩印装置

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CN2055261U true CN2055261U (zh) 1990-03-28

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CN 89214645 Withdrawn CN2055261U (zh) 1989-07-26 1989-07-26 特技彩色照片扩印装置

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN100368852C (zh) * 2005-04-19 2008-02-13 亚洲光学股份有限公司 变焦镜头结构

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN100368852C (zh) * 2005-04-19 2008-02-13 亚洲光学股份有限公司 变焦镜头结构

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Free format text: CORRECT: PATENTEE ADDRESS; FROM: ROOM 304, NO. 116, ANSHANER VILLAGE, DALIAN CITY ROAD, SHANGHAI CITY TO: ROOM 901, NO. 3480, ZHOUJIAZUI, SHANGHAI CITY

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C15 Extension of patent right duration from 15 to 20 years for appl. with date before 31.12.1992 and still valid on 11.12.2001 (patent law change 1993)
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