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       <dc:date>2026-05-10T16:25:45+00:00</dc:date>
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        <dc:date>2025-02-17T11:34:22+00:00</dc:date>
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        <title>filestructure</title>
        <link>http://wiki.b2boptic.com/en:lenscatalog:version061004:filestructure?rev=1739792062&amp;do=diff</link>
        <description>Version 6.10.4

The price list information is divided into a total of 11 files. When the files are delivered, all files must be merged into one ZIP file. All files in the ZIP file are mandatory for delivery.

File names in the ZIP file
Filename Content</description>
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        <dc:date>2025-02-17T11:32:47+00:00</dc:date>
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        <title>general</title>
        <link>http://wiki.b2boptic.com/en:lenscatalog:version061004:general?rev=1739791967&amp;do=diff</link>
        <description>General specifications

Validity of the version and downward compatibility

This is currently version 6.10.4. Minor changes that guarantee downward compatibility are indicated as the third digit of the version number. If, for example, a new data field is added to a table without changing the existing fields, the version is increased from e.g. 6.5.1 to 6.5.2. Changes to the format that require slight changes to the various software packages are specified in the second digit of the version number,…</description>
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        <dc:date>2026-02-16T23:03:31+00:00</dc:date>
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        <title>head.dat</title>
        <link>http://wiki.b2boptic.com/en:lenscatalog:version061004:head.dat?rev=1771283011&amp;do=diff</link>
        <description>Head.Dat

Description

The Head.Dat file stores all data that occurs once in the dataset.

Table structure
No Field name Pos Length Format Comment 1*Field name130T30Field names are listed in the following paragraph.2Field value31??The length depends on the value of the field. The format (and therefore the field length) is defined under</description>
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        <dc:date>2026-02-16T23:09:20+00:00</dc:date>
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        <title>index</title>
        <link>http://wiki.b2boptic.com/en:lenscatalog:version061004:index?rev=1771283360&amp;do=diff</link>
        <description>B2BOptic LensCatalog 6.10.4

Release: 17.02.2025

	*  General Specifications 

	*  File structure 
	*  Head.Dat

	*  LensType.Dat

	*  LensRange.Dat

	*  LensGeo.Dat

	*  LensPrice.Dat

	*  Options.Dat

	*  OptionsColor.Dat

	*  OptionsPrice.Dat

	*  Combination.Dat

	*  Information.Dat

	*  OeCodes.Dat

	*  OrderOptions.Dat

	*  ProductGroup.Dat

	*  CodeSubstitution.Dat

	*  BaseCurve.Dat

	*  OrderOptionsRange.Dat

	*  OrderOptionsNames.Dat

	*  miscellaneous definitions
	*  Version changes

…</description>
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        <title>lensrange.dat</title>
        <link>http://wiki.b2boptic.com/en:lenscatalog:version061004:lensrange.dat?rev=1771283111&amp;do=diff</link>
        <description>LensRange.Dat

Description

The LensRange.Dat file contains the description of the production and delivery ranges of the basic lenses and the description of the production and delivery ranges for each basic lens and diameter. 

Any number of delivery ranges can be specified for a basic lens with a given diameter.</description>
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        <dc:date>2026-02-16T23:04:25+00:00</dc:date>
        <dc:creator>Anonymous (anonymous@undisclosed.example.com)</dc:creator>
        <title>lenstype.dat</title>
        <link>http://wiki.b2boptic.com/en:lenscatalog:version061004:lenstype.dat?rev=1771283065&amp;do=diff</link>
        <description>LensType.Dat

Description

The LensType.Dat file contains all available basic lenses.











Table structure
No Field name Pos Length Format Comment 1*Hst code basic glass16T6 2Designation740T40The designation must be unique and may not be used for several EDV codes.</description>
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