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1、STD-JIS B 7111-ENGL 1997 W 4933b08 051i90b2 739 J IS f JAPANESE I NDUSTRIAL STANDARD Translated and Published by Japanese Standards Association Engagement of accessories to lens front ICs 37.040.10 Descriptors : filters(optical), photographic lenses, components, fitting, camera lenses Reference numb
2、er : JIS 3 7111 : 1997 (E) 5 s Copyright Japanese Standards Association Provided by IHS under license with JSALicensee=IHS Employees/1111111001, User=Wing, Bernie Not for Resale, 03/10/2007 22:19:59 MSTNo reproduction or networking permitted without license from IHS -,-,- STDDJIS B ?LLL-ENGL 1997 L1
3、733b08 05Y70b3 b75 B 7111: 1997 Foreword This translation has been made based on the original Japanese Industrial Standard revised by the Minister of International Trade and Industry through deliberations at Japanese Industrial Standards Committee in accordance with the Industrial Standardization La
4、w. Consequently, JIS B 7111:1975 is replaced with this Standard. Date of Establishment: 1954-10-30 Date of Revision: 1997-10-20 Date of Public Notice in Official Gazette: 1997-10-20 Investigated by: Japanese Industrial Standards Committee Divisional Council on Precision Machinery TIS B 7111: 1997, F
5、irst English edition published in 1998-02 Translated and published by: Japanese Standards Association 4-1-24, Akasaka, Minato-ku, Tokyo, 107-8440 JAPAN In the event of any doubts arising as to the contents, the original JIS is to be the final authority. O SA 1998 All rights reserved. Unless otherwis
6、e specified, no part of this publication may be reproduced or utilized in any form or by any means, electronic or mechanical, including photocopying and microfilm, without permission in writing from the publisher. Printed in Japan Copyright Japanese Standards Association Provided by IHS under licens
7、e with JSALicensee=IHS Employees/1111111001, User=Wing, Bernie Not for Resale, 03/10/2007 22:19:59 MSTNo reproduction or networking permitted without license from IHS -,-,- STD-JIS B ILLL-ENGL 1997 Li733b08 05490bli 501 JAPANESE INDUSTRIAL STANDARD JIS B 7111: 1997 Engagement of accessories to lens
8、front Introducution This Standard is Japanese Industrial Standard made on the basis of IS0 1948, Photography-Front lens barrels up to 127 mm -Dimensions important to the connection of auxiliaries published as the second edition in 1987, and is edited without any modification in technical content wit
9、h respect to the corresponding parts. In addition, item (pressing type connection) which is not specified in the corresponding International Standard is added in this Standard. 1 Scope This Japanese Industrial standard specifies the connections between the front part of lens barrels of photographic
10、cameras and 8 mm and 16 mm movie cameras and the accessories attached to them. Remarks : The International Standard corresponding to this Standard is given in the following: IS0 1948 :1987 Photography-Front lens barrels up to 127 mm-Di- mensions important to the connection of auxiliaries 2 Normative
11、 references The following standards contain provisions which, through reference in this Standard, constitute provisions of this Standard.The most recent edi- tions of the standards indicated below shall be applied. JIS B 0207 : Metric fine screw threads JIS B 0215 : Tolerance system for metric screw
12、 threads 3 Kinds of connection system The kinds of connection system prescribed in this Standard are as follows. a) Screw type connection b) Capping type connection c) Pressing type connection 4 Shape and dimensions 4.1 part of the screw type shall be as given in Fig. 1 and Table 1. Screw type conne
13、ction The shape, dimensions and nominal size of connecting 4.2 part of the capping type shall be as given in Fig. 2 and Table 2. Capping type connection The shape, dimensions and nominal size of connecting Copyright Japanese Standards Association Provided by IHS under license with JSALicensee=IHS Em
14、ployees/1111111001, User=Wing, Bernie Not for Resale, 03/10/2007 22:19:59 MSTNo reproduction or networking permitted without license from IHS -,-,- STD-JIS B 7111-ENGL 1997 I Li33b08 051190b5 L(L(8 2 B7111 1997 4.3 Pressing type connection The shape, dimensions and nominal size of connecting part of
15、 the pressing type shall be as given in Fig. 3 and Table 3. 4.4 The basic profile of screw threads shall conform to JIS B 0207, and the basic size, limits of size, and tolerances shall conform to JIS B 0215. Copyright Japanese Standards Association Provided by IHS under license with JSALicensee=IHS
16、Employees/1111111001, User=Wing, Bernie Not for Resale, 03/10/2007 22:19:59 MSTNo reproduction or networking permitted without license from IHS -,-,- 3 B 7111 : 1997 Lens side Table 1 Dimensions of connecting part of screw type Accessory side Fig. 1 Shape of connecting part of screw type c 4 E l 122
17、 Length of threaded portion L 1.8 min. 2.2 min. 2.5 min 3 min. 3.5 min. 4.5 min. length threaded portion 1.5 min. 1.8 min. 2 min. 2.5 min. 3 min. 1.5 1.8 2 2.5 3 Protruding length 4 10 max. 1.2 max. 1.5 max. 2 max. Remarks : The depth of recess L, on the lens side in Fig. 1 is not specified, but it
18、is required to be larger than the protruding length I, on the accessory side. Copyright Japanese Standards Association Provided by IHS under license with JSALicensee=IHS Employees/1111111001, User=Wing, Bernie Not for Resale, 03/10/2007 22:19:59 MSTNo reproduction or networking permitted without lic
19、ense from IHS -,-,- 62 65 70 75 80 85 90 100 62 65 70 75 80 85 90 100 4 B7111 1997 Table 2 Dimensions of connecting part of capping type Unit : mm Accessory side Nominal size Basic size of outer diame- ter or inner diameter (4 )(4 1 Lens side Tolerance on outer diame- ter Length of cap portion m Len
20、gth of cap portion M 2 15 15 O -0.18 2 min. 18 18 21 21 O -0.21 2.5 min. 2.5 24 24 O -0.25 36 I 36 c 3 min. 3 42 42 I 54 54 s 57 57 3.5 min. 3.5 O -0.30 Fig. 2 Shape of connection part of capping type 60 I 60 4 min. 4 4.5 min. 4.5 5 min. 5 O -0.35 6 min. 6 I Remarks : The depth of recess m, on the l
21、ens side in Fig. 2 shall be on the condition of m, o. Copyright Japanese Standards Association Provided by IHS under license with JSALicensee=IHS Employees/1111111001, User=Wing, Bernie Not for Resale, 03/10/2007 22:19:59 MSTNo reproduction or networking permitted without license from IHS -,-,- STD-
22、JIS B 7111-ENGL 1777 ir933b08 05490b8 L57 m 5. B 7111 : 1997 :essory side C d Lens side Table 3 Dimensions of connecting part of pressing type Unit : mm I Nom- I Lens side Accessorv side I Depth 1 Outer diame- I Thickness inal Inner diame- 1 I size Iter Pi-P Basic Toler- Basic I size lance I size 20
23、.9 I +y 1 3.7 v 30.5 3.9 VI 41.6 4.4 w 51.1 4.9 63.8 5.1 Ix 82.9 5.1 Fig. 3 Shape of connecting part of pressing type Remarks 1 The depth of recess N, on the lens side in Fig. 3 shall be such that the lens does not protrude into the accessory connecting part. 2 The dimension D of the accessory conne
24、cting screw thread on the lens side in Fig. 3 is not specified, and it is desirable to select this di- mension from among the dimensions of the threads corresponding to the nominal sizes given in Table 1. Related standard : JIS B 71 10 Photographic glass filters -General requirement Copyright Japane
25、se Standards Association Provided by IHS under license with JSALicensee=IHS Employees/1111111001, User=Wing, Bernie Not for Resale, 03/10/2007 22:19:59 MSTNo reproduction or networking permitted without license from IHS -,-,- STD-JIS B 7LLL-ENGL 1997 Li933b08 0547323 97T Errata for T I S (English ed
26、ition) are printed in Standardization lourna/, published monthly by the Japanese Standards Association, and also provided to subscribers of JIS (English edition) i n Monthly information. Errata will be provided upon request, please contact: Standardization Promotion Department, Japanese Standards As
27、sociation 4-1-24, Akasaka, Minato-ku, Tokyo, 107-8440 JAPAN TEL. 03-3583-8002 FAX. 03-3583-0462 Copyright Japanese Standards Association Provided by IHS under license with JSALicensee=IHS Employees/1111111001, User=Wing, Bernie Not for Resale, 03/10/2007 22:19:59 MSTNo reproduction or networking permitted without license from IHS -,-,-