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05-23-2008, 08:55 AM   #16
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QuoteOriginally posted by Jesus Quote
Having used my 90mm a few times , I am now kinda wishing I had forked out the $800 for the Sigma 180mm , more working distance

Can I use a 1.4 thingy ?? You know , what ever makes it longer ?
muuuust.... resist.... muuust.... resist...

05-23-2008, 03:13 PM   #17
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I am trying to photo a bug that is about 1/8 of an inch long , maybe shorter .
I can not get a big enough picture to ID it .
Is the lens to short ???
05-23-2008, 03:39 PM   #18
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I have a Vivitar 55mm F2/8 Macro, Vivitar 90mm F2/8 Macro, Vivitar 100mm F2/8 Macro and a Tamron 90mm F2/8 Macro.
I almost exclusivley use the Tamron now because, as mentioned, the Vivitars take an exceptional amount of twisting the focus ring to get into macro mode whereas the Tamron is there with a couple of twists (I always manual focus on Macro so didnt bother with the extra expense of AF).

I must admit though that I do like the Vivitars colour and sharpness a little more than the tamron.
05-23-2008, 04:12 PM   #19
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I switched mine from "Limit to Full" that made the difference .


Why did Vivitar go out of business ??

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