Re: [APML] Tamron 90 mm f/2.5 macro

["Michael Stecker" <mstecker@dslextreme.com>]

I have used the Tamron 90 mm f/2.5 macro lens with Tech Pan only and the
results were very good.  I shot at f/4.0.  The stars and field illumination
were much better than those with my standard Canon 50 mm lens shot at f/4.0.
In general macro lenses work quite well in astrophotography.  Their main
drawback, however, is small aperture.  Another lens in about the same focal
length that I prefer to the Tamron is the non-macro Nikon 105 mm lens.


Michael Stecker
mstecker@dslextreme.com

My Web Site:
http://www.homestead.com/mstecker/index.html (INDEX)
http://www.homestead.com/mstecker/astrogallery.html (Astroimage Index)
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----- Original Message ----- 
From: "Vicent Peris" <vicentperis@ya.com>
To: "Jim Ives" <flyboy9990@earthlink.net>; "Discussion of Film
Astrophotography" <astro-photo@seds.org>
Sent: Tuesday, July 15, 2003 3:54 PM
Subject: [APML] Tamron 90 mm f/2.5 macro


> Hello,
>
> anybody have tried the Tamron 90 mm. f/2.5 macro lens for
astrophotography?
> On the AstrophotographyCameraLenses list seems that is very sharp.
> Is sharp at wide open diaphragm, too?
>
> Thanks,
> Vicent.
>
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> Astro-Photo mailing list
> Astro-Photo@seds.org
> http://seds.org/mailman/listinfo/astro-photo
>

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