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[nikon] Add instructions for adding new Nikon F mount lenses #2071

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Feb 28, 2022
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[nikon] Add instructions for adding new Nikon F mount lenses #2071

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36 changes: 30 additions & 6 deletions src/nikonmn_int.cpp
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Original file line number Diff line number Diff line change
Expand Up @@ -1867,14 +1867,9 @@ namespace Exiv2 {
#define FMLDATE "2018-03-03"
//------------------------------------------------------------------------------
//
//
// Created by Robert Rottmerhusen 2005 - 2018
// http://www.rottmerhusen.com ([email protected])
//
// For contributor info and more visit my online list:
// http://www.rottmerhusen.com/objektives/lensid/thirdparty.html
//
//
// Eight misidentified lenses due to double LensIDs:
//
// 2F 48 30 44 24 24 29 02.1: Nikon AF Zoom-Nikkor 20-35mm f/2.8D IF
Expand Down Expand Up @@ -1910,9 +1905,38 @@ namespace Exiv2 {
//"data from TAG 0x98" "ltyp" " "TC" "MID" "maker" "PN" "lens name from manuf";
//
//------------------------------------------------------------------------------
// Nikkor lenses by their LensID
// EXIF data necessary for new entries
//------------------------------------------------------------------------------
//
// lid: LensIDNumber
// stps: LensFStops
// focs: MinFocalLength
// focl: MaxFocalLength
// aps: MaxApertureAtMinFocal
// apl: MaxApertureAtMaxFocal
// lfw: MCUVersion
// ltype: LensType
//
// The tcinfo, dblid and mid fields are being ignored.
//
// Please note that all fields except LensType have to be looked up in the
// Exif.NikonLd* prefix and not other Exif.Nikon* prefixes. For example: for modern
// Nikon bodies with modern lenses, there will be both a Exif.Nikon3.LensFStops and a
// Exif.NikonLd3.LensFStops entry in the EXIF data. You are looking for
// Exif.NikonLd3.LensFStops.
//
// In most cases the necessary hex values should be extracted from a test image using
// the following command:
//
// exiv2 -ph -g NikonLd3.LensIDNumber -g NikonLd3.LensFStops
// -g NikonLd3.MinFocalLength -g NikonLd3.MaxFocalLength
// -g NikonLd3.MaxApertureAtMinFocal -g NikonLd3.MaxApertureAtMaxFocal
// -g NikonLd3.MCUVersion -g Nikon3.LensType test.NEF
//
//------------------------------------------------------------------------------
// Nikkor lenses by their LensID
//------------------------------------------------------------------------------

static const struct FMntLens {unsigned char lid,stps,focs,focl,aps,apl,lfw, ltype, tcinfo, dblid, mid; const char *manuf, *lnumber, *lensname;}
fmountlens[] = {
{0x01,0x58,0x50,0x50,0x14,0x14,0x02,0x00,0x00,0x00,0x00, "Nikon", "JAA00901", "AF Nikkor 50mm f/1.8"},
Expand Down