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Vivitar 75-200 f4.5 Autofocus Zoom question
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PostPosted: Tue Dec 14, 2010 10:21 pm    Post subject: Vivitar 75-200 f4.5 Autofocus Zoom question Reply with quote

Hi,

If I understand correctly, this lens has an internal autofocus mechanism.

Does this mean that it will autofocus with any camera?

I'm thinking of getting it for my Sony NEX-5.

Thanks

Izhar


PostPosted: Wed Dec 15, 2010 3:59 pm    Post subject: Re: Vivitar 75-200 f4.5 Autofocus Zoom question Reply with quote

izash wrote:
Hi,

If I understand correctly, this lens has an internal autofocus mechanism.

Does this mean that it will autofocus with any camera?

I'm thinking of getting it for my Sony NEX-5.

Thanks

Izhar


I cannot give you an answer as I have never owned one of these. You might try PM'ing casualcollector or Russ to see if they have that info.


PostPosted: Wed Dec 15, 2010 4:18 pm    Post subject: Thanks Reply with quote

Thank you Big Dawg, I'll PM them.

Izhar


PostPosted: Wed Dec 15, 2010 5:49 pm    Post subject: Reply with quote

If it is made by Tamron, the answer is "yes". I have one of those lenses
which AFs on no-af-camera. You cannot expect fast AF thou.


PostPosted: Wed Dec 15, 2010 6:57 pm    Post subject: Vivitar 75-200 f4.5 Autofocus Zoom Reply with quote

Thank you Koji.

Are some Vivitar's made by Tamron and some by others?

Is it worth the 50$ that the seller is asking for it?

Izhar

koji wrote:
If it is made by Tamron, the answer is "yes". I have one of those lenses
which AFs on no-af-camera. You cannot expect fast AF thou.


PostPosted: Wed Dec 15, 2010 8:21 pm    Post subject: Reply with quote

I had one of these. Pretty nice lens but very slow AF. Still, you can have
AF with non-AF cameras if speed isn't important (which it often isn't).


PostPosted: Wed Dec 15, 2010 9:35 pm    Post subject: Reply with quote

I'm almost certain that this lens was manufactured by Cosina.


PostPosted: Thu Dec 16, 2010 10:32 pm    Post subject: Reply with quote

It's a Cosina made lens. Nothing special optically. However, their Series 1 200mm f/3.5AF (Cosina & Komine made) lens is very good optically.



PostPosted: Thu Dec 16, 2010 10:49 pm    Post subject: Thanks Reply with quote

Thank you for the info.

Izhar