the 28-90 2.8-3.5 VS1 I have is WAY WAY VARIFOCAL.
Even the slightest change in focal length throws
it completely out of focus. Definately
not a "true" zoom. Even the barrel markings
for distance scale show the pronounced varifocal
effect, they are diagonal lines.
JCO
> -----Original Message-----
> From: Fred [mailto:[EMAIL PROTECTED]]
> Sent: Thursday, January 23, 2003 11:45 AM
> To: [EMAIL PROTECTED]
> Subject: Re: Vivitar Series 1 28-90 F2.8-3.5
>
>
> > I recently acquired the subject lens in K mount. Havent had a
> > chance to test it yet ( been buying way too much lenses lately! ).
>
> Gee, JCO, I do hope that the "OT Obnoxious Sonofabitch Copyeditor"
> doesn't get to reading this thread - <g>.
>
> > It's also a varifocal like the 35-80. Anybody have any experience
> > with it or heard anything about it?
>
> Hmmm... I have no experience with this lens, JCO, but I just dug
> out a Vivitar catalog (1982) and also found a couple of (identical)
> ads from Modern Photo (10/82 and 4/83) for the lens, and nowhere
> does Vivitar (or, as the British might - incorrectly - say, "do
> Vivitar" - <g>) mention that it is a varifocal lens. (In contrast,
> the Vivitar literature for the VS1 28-135/2.8 makes a big deal about
> the advantage of keeping the lens design varifocal.) The 35-80 does
> have a variable aperture of f/2.8 to f/3.5 (something of which I'm
> personally not overly fond), but it is billed simply as being a
> "zoom". (Of course, I didn't see mention of it being specifically a
> ~parfocal~ zoom, either, and we both know that some zooms are not
> 100% parfocal, right?)
>
> Fred
>
