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04-07-2011, 07:05 PM   #1
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Vivitar K mount

I am new to digital cameras. I have brought a pentax K100D. I am looking at buying a Vivitar/Pentax Mount 35-200 f3-f4.5 Macro lens. What I would like to know before I go to purchase this lens is will it really fit my camera. I just want to confirm. Also what should I look for when I see the lens. This is a private sale.


Newshutterbug

04-07-2011, 07:14 PM   #2
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It will absolutely fit. If it has an A setting be careful, though, as this could mean that it has the infamous and feared "Ricoh Pin" which can (apparently, I'm a manual focus film guy) Jam one of the autofocus connections. However, if it has an A setting and no pin, your camera will be able to control the aperture.

The Ricoh Pin and aperture-ringless lenses are the only serious incompatibilities in the K mount world.
04-07-2011, 07:16 PM   #3
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Since you're new to DSLRs you should make it easy on yourself at first. Make sure that the lens has an "A" setting on the aperture ring. Without this setting the lens will only work in manual exposure mode which is somewhat inconvenient.
04-07-2011, 07:23 PM   #4
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Thank you PGillin and Ole I am looking at going on Saturday to see it. What would this lens be worth by the way.

Newshutterbug

04-07-2011, 07:28 PM   #5
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hope this works out but here is a piture of the lens


04-07-2011, 07:47 PM   #6
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OOOO! You are good to go from what I see in this shot. The mount is even labeled P/K-A!

If for some reason you do not like it, I'll take it off your hands for 10 bucks. I'll even pay the shipping! LOL
04-07-2011, 07:56 PM   #7
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Thank you for all of the help.
04-07-2011, 08:59 PM   #8
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That does NOT look like a Ricoh-pin offender. Those typically are labeled PK-AR or KAR or something like that, and the aperture ring will have a P or A(P) setting. So YES, this will fit your camera just fine, with no hardware glitches. And if you don't like it, I'll pay you US$25 plus shipping, guaranteed.

NOTE: It's not really a macro lens. Such lenses are labeled MACRO because that uses less ink than the more honest CLOSE-FOCUSING. It will probably go to around 1:4 or 1:5 magnification, with a MFD (minimum focus distance) of maybe 40cm / 16in. If you want to go closer, you can't go wrong with a Raynox close-up adapter.

04-07-2011, 11:57 PM   #9
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This may be of interest:

https://www.pentaxforums.com/forums/pentax-slr-lens-discussion/88570-vivitar-...-f3-2-4-a.html
04-08-2011, 12:17 AM   #10
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QuoteOriginally posted by newshutterbug Quote
...what should I look for when I see the lens.
Here's some helpful info - courtesy of Senor Rico:

https://www.pentaxforums.com/forums/pentax-lens-articles/59245-pawnshop-lense...ers-guide.html

Last edited by .a.t.; 04-08-2011 at 02:52 PM. Reason: punct.
04-08-2011, 05:07 AM   #11
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This lens will be fine. Some older Vivitars have a flange that's too big for modern DSLRs, but even that can be arranged with a dremel or grinder. But you won't have that problem based on your picture.
11-19-2011, 04:35 PM   #12
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QuoteOriginally posted by bdery Quote
This lens will be fine. Some older Vivitars have a flange that's too big for modern DSLRs, but even that can be arranged with a dremel or grinder. But you won't have that problem based on your picture.
I just got one of these lenses and indeed the flange is way too large for Pentax autofocus cameras (it won't fit on my PZ-1p either). So yes, I'll borrow a friend's dremel and get rid of it!
11-19-2011, 05:24 PM   #13
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QuoteOriginally posted by piledon Quote
I just got one of these lenses and indeed the flange is way too large for Pentax autofocus cameras (it won't fit on my PZ-1p either). So yes, I'll borrow a friend's dremel and get rid of it!
You needn't grind or cut. Just undo the screws holding the flange down down and remove it. Save the screws and flange in case you ever want to sell the lens intact.
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