Fred,
I had a Sigma 105mm macro lens with a Nikon D100 and had no problems.
Manual focusing for macro work is typical, so autofocusing noise with a
macro lens is usually irrelevant. All the lenses you mentioned are supposed
to be excellent; it depends mostly on your budget and any incompatability
issues. Enjoy.
"Fred B." <spamfred.RemoveThis@bellsouth.net> wrote in message
news:Loahd.242397$as2.169034@bignews3.bellsouth.net...
> I have tried the Sigma 105mm F2.8 Ex macro. It went back due to D70/SB600
> problems...the Sigma would underexpose.
>
> I have the Nikkor 60mm micro, and just got the Tamron 90mm F2.8 SP macro.
>
> They all have different photo characteristics. The Sigma was tack sharp,
> almost brutal in some pictures, and spectacular in others. I could have
> lived with it. Build quality was ok, except for the focusing mechanism
> noise. It did not sound happy.
>
> The Tamron build quality is good. Noise like the Nikkor, nice and smooth.
> It's pictures are "mild and mellow" compared to the Sigma. The sharpness
is
> the same when you zoom in in Photoshop, maybe just a tad less than the
> Sigma. But the Tamron has a "smoother" look. Not bad.
> The Sigma used 58mm filters which I had, the Tamron 55mm. The dealer gave
> me an adapter so I would not have to buy another collection of filters for
> 55mm. The Tamron lens hood, a bayonet mount, fits over the 58mm filters
> with adapter no problem.
>
> The Nikkor 60mm i have had for a long time is perfect picturewise and
build
> wise. But it is too short for my nature photos. But the images are
> perfection. I prefer them to Tamron or Sigma.
>
> I am hoping the 105mm Nikkor micro would be like the 60mm Nikkor. I may
get
> a used one on ebay and try it out. I really did not want a used lens with
> no return policy. The Tamron dealer did say I could bring the lens back
(he
> would not be happy though). So maybe I can do a comparison.
>
> I am just doing this rant to give some info to people who were in the same
> boat I was about macros for nature photography. If you have a Nikon
digital
> camera, I would not go for the Sigma. But tryout the Tamron.
>
> If anyone has compared the 105mm Nikkor macro to the Tamron I just got let
> me know, perhaps by email, or please post.
>
> Thanks!
>
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