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<blockquote data-quote="WayneF" data-source="post: 207007" data-attributes="member: 12496">Dunno, I am no&nbsp; expert on Exifviewers.&nbsp; But I have seen a few, and I am aware that it is a BIG subject. We do know most exif viewers are old, and do not&nbsp; have current updates to handle newest camera models correctly.&nbsp;&nbsp; They show f/stop and shutter speed, but Nikon changes the format of the&nbsp; Makers Notes (Manufacturers Data) section, which is where all the good stuff is. Most Exif viewers do not keep up. There are many camera brands and many versions, and its a tough job.I've always liked PhotoME,&nbsp; but it is outdated now.&nbsp; Still works fine for a D300, but it cannot show everything in a D800 file, and shows very little in&nbsp; D7100 file.&nbsp; My notion now of the best and most up to date is ExifTool,&nbsp; which shows D800 OK (AFAIK), but it cannot do D7100 Makers Notes either.&nbsp; I expect it will some day soon, and I doubt the others ever will.If anyone actually has an image with Exif showing a Nikkor lens says other than Nikon, they should post it, with Exif, so we can see it too, with our Exifviewers.&nbsp; Except of course, we still would not know the lens was marked Nikkor, so that's not much help.&nbsp; Sorry if I am not a believer, but it is a mighty big claim without any evidence.&nbsp; Even it it were true, it seems unlikely Nikon would permit any evidence of it.&nbsp; Tokina is a partner of Pentax, and they do make their own lenses with a Nikon mount of course.All Nikon lens are D, since 1992.&nbsp;&nbsp; So my 105mm VR is both D and G.</blockquote>

[QUOTE="WayneF, post: 207007, member: 12496"] Dunno, I am no expert on Exifviewers. But I have seen a few, and I am aware that it is a BIG subject. We do know most exif viewers are old, and do not have current updates to handle newest camera models correctly. They show f/stop and shutter speed, but Nikon changes the format of the Makers Notes (Manufacturers Data) section, which is where all the good stuff is. Most Exif viewers do not keep up. There are many camera brands and many versions, and its a tough job. I've always liked PhotoME, but it is outdated now. Still works fine for a D300, but it cannot show everything in a D800 file, and shows very little in D7100 file. My notion now of the best and most up to date is ExifTool, which shows D800 OK (AFAIK), but it cannot do D7100 Makers Notes either. I expect it will some day soon, and I doubt the others ever will. If anyone actually has an image with Exif showing a Nikkor lens says other than Nikon, they should post it, with Exif, so we can see it too, with our Exifviewers. Except of course, we still would not know the lens was marked Nikkor, so that's not much help. Sorry if I am not a believer, but it is a mighty big claim without any evidence. Even it it were true, it seems unlikely Nikon would permit any evidence of it. Tokina is a partner of Pentax, and they do make their own lenses with a Nikon mount of course. All Nikon lens are D, since 1992. So my 105mm VR is both D and G. [/QUOTE]

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