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01-05-2012, 07:57 AM   #1
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Lens Compatibility 50mm Vivitar Zoom

Sorry for the most likely simple question... but I need some help.

I'm looking for a cheap zoom lens to use on a vacation, I don't need an expensive one because I still am not an expert.

Anyways, will this lens fit?

50mm Vivitar 70 - 300mm Lens
1:4x macro zoom lens, PK-A/R, bayonet mount, fits on my Pentax Super Program SLR film camera.

That's all the ad says. From the research I have done I think it will fit, just the autofocus function won't work.

Thanks in advance.



Here are some pics I've taken with my K-r since getting it a few weeks ago (all with kit lens)







01-05-2012, 08:17 AM   #2
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If it's this lens, it should fit:
Vivitar 70-300mm 1:4.2-5.8 MC Macro Focusing Zoom Lens Reviews - Vivitar Lenses - Pentax Lens Review Database

However, the 'R' in the mount name suggests that the lens has a "Ricoh pin", which may end up getting the lens stuck on your camera. Run a forum search for more info on this topic; I would suggest against buying this lens.

There are plenty of other cheap solutions out there, just take a stroll through our third party lens database:
Third-Party Lenses for Pentax - Pentax Lens Review Database

Adam
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01-05-2012, 08:26 AM   #3
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Thank you that is a great resource.

Here are some pics of it:






It seems fairly easy to remove this pin if this is the case. Either way I think I'm going to pick this up, just because its local, cheap and I need it in the next few days!

Thank you for your help.

Last edited by lorge1989; 01-05-2012 at 08:32 AM.
01-05-2012, 03:20 PM   #4
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Depending on what you think is cheap you may want to look at the Tamron 70-300 its auto focus and should run about $150 new, You may find one used for less

Hans

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