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06-14-2011, 05:34 PM   #1
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K-mount Vivitar 70-210 F3.5(kenko) on my pentax K-x

I thank you guys for supporting a newbie.I want to know if I will be able to use K-mount Vivitar 70-210 F3.5(kenko) on my pentax K-x without any trouble.

Thanks

06-14-2011, 05:41 PM   #2
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Yes, of course. You will have to change the settings to "Permit aperture Ring". Its one of the setup menu options
06-14-2011, 06:28 PM   #3
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QuoteOriginally posted by manishved Quote
Yes, of course. You will have to change the settings to "Permit aperture Ring". Its one of the setup menu options
Thanks Manish,
How would you rate this lens. I am not even sure if this is an auto or manual lens.(I sound like a newbie isn't it!!)
Cheers
06-14-2011, 07:23 PM   #4
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Do you have one of the Vivitar Series 1 variants, or is it another type of Vivitar 70-210 f/3.5?

http://www.robertstech.com/vivitar.htm

Some Vivitar lenses have a flange protecting the aperture lever that is too large to mount properly in a DSLR. The flange can be unscrewed and cut down to the same size as the flange on a genuine Pentax lens fairly easily.

I have a Series 1 version #1 (Kiron) which performs quite well within its limitations. Optically the lens is excellent, but the lack of an A aperture setting, manual focus, and the inability to transmit focal length data to the camera body while zooming require more attention and user input than a modern DA series lens.

06-14-2011, 08:18 PM   #5
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Out of curiosity, why do you think it is a Kenko lens? Does it maybe have a Kenko filter screwed-onto it? I've noticed many newbs mistaking the filtermaker for the lensmaker!

A better way to identify the lens is to tell us the serial number -- that may indicate the lensmaker. And as mentioned, does it say SERIES 1 on the lens front? If so, GREAT!
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