AT90101B - Photographic lens. - Google Patents

Photographic lens.

Info

Publication number
AT90101B
AT90101B AT90101DA AT90101B AT 90101 B AT90101 B AT 90101B AT 90101D A AT90101D A AT 90101DA AT 90101 B AT90101 B AT 90101B
Authority
AT
Austria
Prior art keywords
sep
photographic lens
lens
desc
photographic
Prior art date
Application number
Other languages
German (de)
Original Assignee
Zeiss Carl Fa
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Zeiss Carl Fa filed Critical Zeiss Carl Fa
Application granted granted Critical
Publication of AT90101B publication Critical patent/AT90101B/en

Links

Landscapes

  • Lenses (AREA)

Description

  

   <Desc/Clms Page number 1> 
 



  Photographisches Objektiv. 
 EMI1.1 
 
 EMI1.2 
 
<tb> 
<tb> 



  @ <SEP> = <SEP> - <SEP> 21'15 <SEP> 1 <SEP> = <SEP> 1'61
<tb> /,--7-11 <SEP> = <SEP> 4-53
<tb> r@ <SEP> = <SEP> +46#39 <SEP> dII <SEP> = <SEP> 2#51
<tb> r1 <SEP> = <SEP> -20#83 <SEP> dIII <SEP> = <SEP> 1#85
<tb> 
   darren.   
 EMI1.3 
 
<tb> 
<tb> 



  @D
<tb> 1 <SEP> 1#4986 <SEP> 65#4
<tb> II <SEP> 1-5199 <SEP> 54-5
<tb> In <SEP> 1-6243 <SEP> 56-7
<tb> 
 
 EMI1.4 
 - 1. Photographisches Ovjektiv, das aus drei miteinander veikitteten Linsen besteht, von denen die erste ein positiver Meniskus, die zweite bikonkav und die dritte bikonvex ist und deren Brechungszahlen der Reihe nach grösser werden, dadurch gekennzeichnet, dass die Radien der   beiden äusseren Linsenfiachen   des Objektivs mindestens ein Sechstel der Objektivbrennweite betragen. 

**WARNUNG** Ende DESC Feld kannt Anfang CLMS uberlappen**.



   <Desc / Clms Page number 1>
 



  Photographic lens.
 EMI1.1
 
 EMI1.2
 
<tb>
<tb>



  @ <SEP> = <SEP> - <SEP> 21'15 <SEP> 1 <SEP> = <SEP> 1'61
<tb> /, - 7-11 <SEP> = <SEP> 4-53
<tb> r @ <SEP> = <SEP> + 46 # 39 <SEP> dII <SEP> = <SEP> 2 # 51
<tb> r1 <SEP> = <SEP> -20 # 83 <SEP> dIII <SEP> = <SEP> 1 # 85
<tb>
   dry.
 EMI1.3
 
<tb>
<tb>



  @D
<tb> 1 <SEP> 1 # 4986 <SEP> 65 # 4
<tb> II <SEP> 1-5199 <SEP> 54-5
<tb> In <SEP> 1-6243 <SEP> 56-7
<tb>
 
 EMI1.4
 - 1. Photographic ovjective consisting of three lenses cemented to one another, of which the first is a positive meniscus, the second is biconcave and the third is biconvex and whose refractive indices increase in sequence, characterized in that the radii of the two outer lens surfaces of the Lens must be at least one sixth of the focal length of the lens.

** WARNING ** End of DESC field may overlap beginning of CLMS **.

Claims (1)

2. Doppelol) jektiv, von dessen beiden Gliedern mindestens das eine dem Anspruch 1 entspricht. EMI1.5 **WARNUNG** Ende CLMS Feld Kannt Anfang DESC uberlappen**. 2. Doppelol) jective, at least one of the two members of which corresponds to claim 1. EMI1.5 ** WARNING ** End of CLMS field may overlap beginning of DESC **.
AT90101D 1920-07-12 1921-07-11 Photographic lens. AT90101B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE90101X 1920-07-12

Publications (1)

Publication Number Publication Date
AT90101B true AT90101B (en) 1922-11-25

Family

ID=5643061

Family Applications (1)

Application Number Title Priority Date Filing Date
AT90101D AT90101B (en) 1920-07-12 1921-07-11 Photographic lens.

Country Status (1)

Country Link
AT (1) AT90101B (en)

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