DE977067C - Microscope objective - Google Patents

Microscope objective

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Publication number
DE977067C
DE977067C DEL3113A DEL0003113A DE977067C DE 977067 C DE977067 C DE 977067C DE L3113 A DEL3113 A DE L3113A DE L0003113 A DEL0003113 A DE L0003113A DE 977067 C DE977067 C DE 977067C
Authority
DE
Germany
Prior art keywords
microscope objective
following data
menisci
objective according
thick
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.)
Expired
Application number
DEL3113A
Other languages
German (de)
Inventor
Walter Klein
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Ernst Leitz Wetzlar GmbH
Original Assignee
Ernst Leitz Wetzlar GmbH
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 Ernst Leitz Wetzlar GmbH filed Critical Ernst Leitz Wetzlar GmbH
Priority to DEL3113A priority Critical patent/DE977067C/en
Application granted granted Critical
Publication of DE977067C publication Critical patent/DE977067C/en
Expired legal-status Critical Current

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Classifications

    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B21/00—Microscopes
    • G02B21/02—Objectives

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  • Physics & Mathematics (AREA)
  • Chemical & Material Sciences (AREA)
  • Analytical Chemistry (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Lenses (AREA)

Description

(WiGBl. S. 175)(WiGBl. P. 175)

AUSGEGEBENAM 7. JANUAR 1965ISSUED JANUARY 7TH 1965

L 3113 IXaI42hL 3113 IXaI42h

MikroskopobjektivMicroscope objective

Die Erfindung betrifft Mikroskopobjektive mit verbesserter Bildfeldebnung. Es ist bekannt, die Eigenschaft des sogenannten »dicken Meniskus«, eine negative Petzvalsumme zu bewirken, zur Schaffung von Mikroskopobjektiven mit geebnetem Bildfeld auszunutzen. Von den beiden Radien gleichen Vorzeichens eines solchen Meniskus hat derjenige der zerstreuenden Fläche den kleineren Absolutwert, und die Scheiteldicke ist größer als der Radius der zerstreuenden Fläche. Dieser dicke Meniskus kann auch aus zwei oder mehr miteinander verkitteten Linsen bestehen.The invention relates to microscope objectives with improved image field flattening. It is known that Property of the so-called "thick meniscus" to cause a negative Petzval sum, for To take advantage of the creation of microscope objectives with a flattened field of view. Same of the two radii With the sign of such a meniscus, that of the dispersing surface has the smaller absolute value, and the vertex thickness is greater than the radius of the diffusing surface. This fat one Meniscus can also consist of two or more lenses cemented together.

In der britischen Patentschrift 506 321 ist beispielsweise ein Objektiv beschrieben, zu dessen Bildebnung zwei dicke Menisken herangezogen sind, dessen einer die Frontlinse, dessen anderer die letzte bildseitige Linse bildet. Die Hohlflächen beider Menisken sind einander abgewandt, so daß die dem Objekt zugekehrte Eintrittsfläche des Objektivs hohl ist. Das führt zu der Unzuträglichkeit, ao daß die Frontlinse schwierig zu reinigen ist. Man hat daher schon versucht, den Hohlraum mit einer plankonvexen Linse mit möglichst niedrigem Brechungsindex auszufüllen. Dann vergrößert sich aber die Petzvalsumme und damit die Bildfeldwölbung. Eine ähnliche nachteilige Wirkung tritt bei Verwendung einer Immersionsflüssigkeit auf.For example, in British Patent No. 506,321 a lens described, for the flattening of which two thick menisci are used, one of which is the front lens, the other of which forms the last lens on the image side. The hollow surfaces of both menisci are facing away from each other, so that the entry surface of the objective facing the object is hollow. That leads to the inconvenience, ao that the front lens is difficult to clean. Attempts have therefore already been made to fill the cavity with a Fill in the plano-convex lens with the lowest possible refractive index. Then it enlarges but the Petzval sum and thus the field curvature. A similar adverse effect occurs Use of an immersion liquid.

Der Erfindung liegt die Aufgabe zugrunde, diese Vergrößerung der Petzvalsumme zu vermeiden.The invention is based on the object of avoiding this increase in the Petzval sum.

Die Erfindung besteht darin, daß bei einem Mikroskopobjektiv mit zwei zur Bildfeldebnung dienenden dicken Menisken und im wesentlichen plan-The invention consists in that in a microscope objective with two thick menisci used to flatten the image field and essentially flat

409 775/13409 775/13

konvexer Frontlinse die Hohlflächen der beiden dicken Menisken einander zugekehrt und nur durch einen Luftzwischenraum getrennt sind.convex front lens the hollow surfaces of the two thick menisci facing each other and only through are separated by an air gap.

In den Unteransprüchen" sind einige durchgerechnete Exemplare angegeben. Eine etwa noch durchzuführende Feinkorrektion erfolgt in üblicher Weise, ohne daß dabei vom Wesen der Erfindung abgewichen wird.In the subclaims "some calculated copies are given. One that still has to be carried out Fine correction takes place in the usual way, without thereby affecting the essence of the invention is deviated.

In den Fig. 1 bis 4 sind diese Exemplare darge-ίο stellt entsprechend den Patentansprüchen 2 bis 5. Hierin bedeutetIn Figs. 1 to 4, these specimens are darge-ίο represents according to claims 2 to 5. Herein means

fe = Brennweite für die e-Linie, A = Apertur, f e = focal length for the e-line, A = aperture,

P= Petzvalsumme, P = Petzval sum,

Γ = Astigmatismus,
ß/ = Vergrößerung. Γ = astigmatism,
ß / = magnification.

Claims (5)

PATENTANSPRÜCHE:PATENT CLAIMS: 1. Mikroskopobjektiv mit zwei zur Bildfeldebnung dienenden dicken Menisken und im wesentlichen plankonvexer Frontlinse, dadurch gekennzeichnet, daß die Hohlflächen der beiden dicken Menisken einander zugekehrt und nur durch einen Luftzwischenraum getrennt sind.1. Microscope objective with two thick menisci and im essential plano-convex front lens, characterized in that the hollow surfaces of the two thick menisci are facing each other and only separated by an air gap. 2. Mikroskopobjektiv nach Anspruch 1, gekennzeichnet durch folgende Daten:2. Microscope objective according to claim 1, characterized by the following data: ri r i = -18,0= -18.0 L1 L 1 = 0,1= 0.1 1,3921/99,81.3921 / 99.8 65 6 5 rs r s = -7,5= -7.5 d3 d 3 = 2,0= 2.0 = + 100,0= + 100.0 L2 L 2 = 0,01= 0.01 1,3921/99,81.3921 / 99.8 = -6,0= -6.0 <**<** = 4,5= 4.5 1,7283/28,31.7283 / 28.3 7070 rs r s = -7,8= -7.8 d5 d 5 = 1,0= 1.0 = +20,39= +20.39 L3 L 3 = 0,01= 0.01 1,3921/99,81.3921 / 99.8 rio r io = -8,5= -8.5 d6 d 6 = 2,7= 2.7 1,7283/28,31.7283 / 28.3 7575 ru r u = -20,39= -20.39 d7 d 7 = 1,0= 1.0 = +7,5= +7.5 L1 L 1 = 0,01= 0.01 1,6073/59,51.6073 / 59.5 rn r n = OO= OO d8 d 8 = 9,5= 9.5 1,7283/28,31.7283 / 28.3 8080 ru r u = +2,2= +2.2 dg d g = 1,0= 1.0 = -2,81= -2.81 L5 L 5 = 1,3= 1.3 1,6073/59,51.6073 / 59.5 ri6 r i6 = -6,85 '= -6.85 ' 4io4io = 9,5= 9.5 8585 Lb L b = OO= OO -0,054-0.054 fe'fe ' = +3,2536= +3.2536 ΣΡ =ΣΡ = +0,082+0.082 A--A-- 0,950.95 ΣΓ =ΣΓ =
V1 = 00
r2 = -7,15
rz = + 15,0
r4 = -6,0
r5 =-12,31
r6 = + 13,0
r7 =-18,5
rs = +4,9
rg = -9,03
r10= +2,55
T13= -3,41
r12= —6,75 V 1 = 00
r 2 = -7.15
r z = + 15.0
r 4 = -6.0
r 5 = -12.31
r 6 = + 13.0
r 7 = -18.5
r s = +4.9
r g = -9.03
r 10 = +2.55
T 13 = -3.41
r 12 = -6.75 L0= 1,1890L 0 = 1.1890 (I1=(I 1 = 8,08.0 L1= 0,1L 1 = 0.1 dz= 2,0 d z = 2.0 ^3= 1,0^ 3 = 1.0 L2= 0,1L 2 = 0.1 <i4= 2,0<i 4 = 2.0 L3= 0,1L 3 = 0.1 d6= 4,1 d 6 = 4.1 ^6= 3,0^ 6 = 3.0 1,6073/59,51.6073 / 59.5 1,3256/85,7 1,7283/28,31.3256 / 85.7 1.7283 / 28.3 1,6204/60,31.6204 / 60.3 1,3921/99,8 1,7283/28,31.3921 / 99.8 1.7283 / 28.3 d7 = 10,0 1,6073/59,5 d 7 = 10.0 1.6073 / 59.5 Lb = 00 L b = 00 fe= +7,9748 ΣΡ =-0,055 f e = +7.9748 ΣΡ = -0.055 A = 0,50 Σ Γ = +0,074 A = 0.50 Σ Γ = +0.074 3. Mikroskopobjektiv nach Anspruch 1, gekennzeichnet durch folgende Daten:3. microscope objective according to claim 1, characterized through the following data: r2 =
U = r 2 =
U = 0000 +5,0
-4,16+5.0
-4.16 L0 = 0,1178 d± = 2,35
dg = 4,35L 0 = 0.1178 d ± = 2.35
dg = 4.35 1,6727/32,2 1,6513/38,31.6727 / 32.2 1.6513 / 38.3 4. Mikroskopobjektiv nach Anspruch 1, gekennzeichnet durch folgende Daten:4. Microscope objective according to claim 1, characterized by the following data: T1= 00 r2= -1,75 rs = -7,50 rA = -4,00 r5 =-26,50 re = —5,65 r7 = + 19,07 r8 = +7,50 r9 = -6,68 r10=-10,00 T11= +17,17 r12= -9,03 T18=-18,10 r14= +6,21 r15= +15,00 r16= +1,53 r17= —2,6883 r18= -8,82 T 1 = 00 r 2 = -1.75 r s = -7.50 r A = -4.00 r 5 = -26.50 r e = -5.65 r 7 = + 19.07 r 8 = + 7.50 r 9 = -6.68 r 10 = -10.00 T 11 = + 17.17 r 12 = -9.03 T 18 = -18.10 r 14 = +6.21 r 15 = + 15 .00 r 16 = +1.53 r 17 = -2.6883 r 18 = -8.82 /e= +1,5590 A = 1,40/ e = +1.5590 A = 1.40 L0 = 0,1923 Ci1 = 2,70 L1 = 0,01 d2 = 1,10 L2 = 0,01 ds = ΐ,'35 L3 = 0,01 dt = 1,00 ds = 3,10 de = 1,00 L1 = 0,01 d7 = 1,70 ds = 1,00 L5 = 0,01 d9 = 2,80 d10= 7,80 L6 = 1,10 ^11=14,2810 L6 = L 0 = 0.1923 Ci 1 = 2.70 L 1 = 0.01 d 2 = 1.10 L 2 = 0.01 d s = ΐ, '35 L 3 = 0.01 d t = 1.00 d s = 3.10 d e = 1.00 L 1 = 0.01 d 7 = 1.70 d s = 1.00 L 5 = 0.01 d 9 = 2.80 d 10 = 7.80 L 6 = 1.10 ^ 11 = 14.2810 L 6 = ΣΡ = +0,023 ΣΓ = -0,031 ΣΡ = +0.023 ΣΓ = -0.031 1,5152/49,51.5152 / 49.5 1,5182/65,21.5182 / 65.2 1,6223/53,11.6223 / 53.1 1,4339/95,21.4339 / 95.2 1,6889/31,11.6889 / 31.1 1,4339/95,21.4339 / 95.2 1,6889/31,11.6889 / 31.1 1,4339/95,2 1,8052/25,51.4339 / 95.2 1.8052 / 25.5 1,4339/95,2 1,7283/28,31.4339 / 95.2 1.7283 / 28.3 1,6073/59,51.6073 / 59.5 5. Mikroskopobjektiv nach Anspruch 1, gekennzeichnet durch folgende Daten:5. Microscope objective according to claim 1, characterized by the following data: T1 = oo T 1 = oo rt = -1,06 r t = -1.06 rs = —5,45 r s = -5.45 r4 = -2,68r 4 = -2.68 r5 = -50,0r 5 = -50.0 re = -4,2 r e = -4.2 r7 = +12,0 r 7 = +12.0 r8 = —5,65 r 8 = -5.65 ra = +7,49 r a = +7.49 r10= -6,58r 10 = -6.58 rlx= oor lx = oo r12= -10,0r 12 = -10.0 A. =A. = d7 = d 7 = r„= +4,385 5 r "= +4.385 5 L5 = L 5 = 0,170.17 0,169280.16928 1,401.40 0,050.05 1,001.00 0,050.05 1,151.15 0,300.30 1,351.35 1,001.00 1,451.45 0,300.30 1,501.50 0,300.30 1,5228/58,5 1,5152/49,5 1,5202/63,61.5228 / 58.5 1.5152 / 49.5 1.5202 / 63.6 1,6237/47,0 1,4339/95,21.6237 / 47.0 1.4339 / 95.2 1,4339/95,2 1,7432/44,9 1,4339/95,21.4339 / 95.2 1.7432 / 44.9 1.4339 / 95.2 1,6073/59,51.6073 / 59.5 rM= -12,0r M = -12.0 r16= +1,619 ;r 16 = +1.619; rM= -1,619 J r M = -1.619 J. r17= +20,0 'r 17 = +20.0 ' r18= -6,2982'r 18 = -6.2982 ' j
T19= ooj
T 19 = oo r20= -14,44r 20 = -14.44 y3/=-102,305y3 / = - 102.305 fe = +2,3507
A = 1,40 f e = +2.3507
A = 1.40 = 1,63= 1.63 = 8,10= 8.10 = 1,20= 1.20 o= 2,00o = 2.00 t= 6,20 t = 6.20 = 0,20= 0.20 j= 2,50j = 2.50 = 164,50= 164.50 ΣΡ = +0,154 ΣΓ = -0,076 ΣΡ = +0.154 ΣΓ = -0.076 1,4339/95,2 1,7283/28,31.4339 / 95.2 1.7283 / 28.3 1,7283/28,3 1,6073/59,51.7283 / 28.3 1.6073 / 59.5 1,6261/39,11.6261 / 39.1 In Betracht gezogene Druckschriften: Deutsche Patentschriften Nr. 488 547, 535 882,Considered publications: German Patent Specifications Nos. 488 547, 535 882, 821 126; britische Patentschriften Nr. 438 860, 506 321; Zeiss Druckschrift MIKRO 367, ausgegeben 1940; M. Berek, Grundlagen der praktischen Optik,821 126; British Patent Nos. 438 860, 506 321; Zeiss publication MIKRO 367, issued in 1940; M. Berek, Fundamentals of Practical Optics, 1930, S. 132, 133.1930, pp. 132, 133. Hierzu 1 Blatt Zeichnungen1 sheet of drawings © 409 775/13 12.64© 409 775/13 12.64
DEL3113A 1950-07-17 1950-07-18 Microscope objective Expired DE977067C (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
DEL3113A DE977067C (en) 1950-07-17 1950-07-18 Microscope objective

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE292127X 1950-07-17
DEL3113A DE977067C (en) 1950-07-17 1950-07-18 Microscope objective

Publications (1)

Publication Number Publication Date
DE977067C true DE977067C (en) 1965-01-07

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2718896A1 (en) * 1977-04-28 1978-11-09 Zeiss Carl Fa ACHROMATIC MICROSCOPE LENS MADE OF THREE LENS LINKS

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE488547C (en) * 1930-01-08 Zeiss Carl Fa Slightly magnifying microscope objective
DE535892C (en) * 1931-10-19 Benno Streuf Cigar and cigarette extinguishers
GB438860A (en) * 1934-08-03 1935-11-25 Zeiss Carl Improvements in microscope objectives
GB506321A (en) * 1937-10-13 1939-05-25 Zeiss Carl Improvements in microscope objectives
DE821126C (en) * 1950-07-26 1951-11-15 Leitz Ernst Gmbh Microscope lens

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE488547C (en) * 1930-01-08 Zeiss Carl Fa Slightly magnifying microscope objective
DE535892C (en) * 1931-10-19 Benno Streuf Cigar and cigarette extinguishers
GB438860A (en) * 1934-08-03 1935-11-25 Zeiss Carl Improvements in microscope objectives
GB506321A (en) * 1937-10-13 1939-05-25 Zeiss Carl Improvements in microscope objectives
DE821126C (en) * 1950-07-26 1951-11-15 Leitz Ernst Gmbh Microscope lens

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2718896A1 (en) * 1977-04-28 1978-11-09 Zeiss Carl Fa ACHROMATIC MICROSCOPE LENS MADE OF THREE LENS LINKS

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