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01-02-2018, 10:25 PM   #1
Christopher H

Vivitar 28mm 2.8 with K1000?

I have been looking for a new wide angle lens for my Pentax K1000. I currently have the SMC Pentax-A 50mm f2.0.
While searching I came across a lens for sale titled "Vivitar Auto-Wide Angle 28mm f2.8 lens with a PK mount".

I was trying to do some research and I could only find the close focus version of this lens. I wanted to ask and find out if this lens will fit on my K1000?
If there is anyone who would have some insight it would be greatly appreciated.


01-02-2018, 10:45 PM   #2
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Perhaps this one?

Vivitar (PK-A, 98xxxxx = cosina) 28mm F2.8 Lens Reviews - Vivitar Lenses - Pentax Lens Review Database

Or this one,

Or this one:

As long as it's PK mount it will work on the K1000.

Last edited by photolady95; 01-02-2018 at 10:51 PM.
01-03-2018, 03:07 AM   #3

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There are many versions of Vivitar 28mm lenses. You can tell the manufacturer from the first two digits of the serial number:
Vivitar serial numbers - - The free camera encyclopedia
Generally the serials starting with 28 or 22 are the best ones

A Guy named Robin Parmar did extensive research. You can find it here:

Last edited by D1N0; 01-03-2018 at 03:13 AM.
01-12-2018, 09:34 AM   #4
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As photolady95 said above as long as it is a Pentax PK, or may be listed as "Pentax K", or "PKA", these will all work on your K1000. You may also see lenses listed as Pentax mount that are "M42" or "screw mount" or something like that, which is probably not what you are looking for (these will work on the K1000 with an adapter, but setting the light meter is somewhat more complicated - in my opinion I would look for the K mount and not mess with M42 mount, there are lots of the Vivitar 28mm lenses out there in K mount). In addition to the 28... and 22... serial numbers I have a Cosina made version of the Vivitar 28mm f/2.8 with a serial number that starts with 9 and it is a fine lens. These are great lenses for the money.

01-12-2018, 10:28 AM   #5
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Great Vivitar 28mm Bestiary
01-12-2018, 11:14 AM   #6
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perhaps this information might help the OP

" Pentax Lens Compatibility Chart
Copyright 2006-2016 All rights reserved.
Pentax bayonet lenses labeled "SMC Pentax" are referred to as "K" lenses in the table below. Other Pentax bayonet lenses have the lens designation as a part of their name as in "SMC Pentax-FA."
Note that "star" lenses work like their "non-star" counterparts: DA* lenses work like DA lenses, FA* like FA, F* like F, A* like A, and M* like M.
FA and F "soft" lenses behave like M lenses in terms of metering. "

[ the K 1000 Pentax camera body is on the last line of the chart ]

The Pentax Camera Lens Compatibility Chart

" Pentax K-Mount Lens Series Explained: The differences between various Pentax lens series

In a nutshell

There are several series of Pentax K-mount lenses; the ones currently being produced include the DA (digital), DA L (cheap digital kit), D FA (full-frame, digital optimized), and FA (full-frame) series. While all Pentax K-mount lenses ever produced are compatible with all current Pentax DSLRs (in some cases with restrictions in that not all exposure modes of the camera are supported by old lenses), there are significant differences between each lens series and each has different features. Furthermore some of the newer lenses do not work with older cameras. We'll be exploring the differences between the various K-mount series lenses in this article "

Pentax K-Mount Lenses Explained: The differences between various Pentax lens series
______________________ _______________________


This table summarizes the evolution of the K-mount at a glance:

Mount Introduced Comments Features

K 1975 The original Av and M exposure Manual focus

Read more at:

Last edited by Aslyfox; 01-12-2018 at 11:23 AM.

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