Vivitar 19/3.8 Information

Started Apr 21, 2018 | Discussions thread
MOD Tom Caldwell Forum Pro • Posts: 44,616
Re: Vivitar 19/3.8 Information
1

Alan WF wrote:

I just got a Vivitar MC 19/3.8 in FD mount. It's a handsome little lens, and about a 28-mm equivalent on my GM5 and focal reducer. I'm looking forward to giving it a spin over the weekend.

Vivitar MC 19/3.8 with a Lens Turbo II and GM5

I've got a few of questions.

  1. Anyone know when this lens was introduced by Vivitar and when it was withdrawn, to help me confirm the year of manufacture? The serial number starts "99", which I think means manufactured by Cosina (first 9) in 1979 or 1989 (second 9). Now, 1979 was more or less peak FD, but I guess the changeover to EF wasn't yet complete by 1989. So, while I favor 1979, I can't rule out 1989.
  2. Lots of places say this was also sold as the Cosina 20/3.8. Again, anyone know when it was introduced by Cosina and when it was withdrawn?
  3. Lots of places also say it has 9 elements in 8 groups, and it's clearly a retro focal design, but I can't find an optical diagram anywhere online. Any pointers?

Thanks.

Regards,

Alan

I have one of these as well - tucked away somewhere - I also think that it is a neat little lens and seems to work reasonably well.  I bought it quite  while ago when I was trying to find as wide as possible lens in an slr mount.  I have just tried to find it so that I can compare serial  numbers - but it seems to have been “filed” outside my usual inventory shelving when I last used it.  Will have another look later.

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Tom Caldwell

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