Frank Wajer wrote:
>
> Hi,
>
> has anyone tried the Sigma 170-500 zoom. How is it's quality compared
> to the fixed 300 f4 or 400 f5.6 Pentax lenses.
> I'm considering getting an ultra-telelens but I'm not sure what will be
> the most versatile focal length. 170-500 zoom would therefore be great.
>
> Frank
I have no personal experience with this lens, but at one time I was
considering buying it. All the reports I saw agreed that the lens
is no match for either of the fixed focal length lenses you mention.
As to the quality of this lens vs. the Sigma 135-400 - most people
felt that the 135-400 is generally better over the 135-350 range
(although, of course, the 170-500 does considerably better beyond 400).
Stick with Pentax - buy a 250-600 :-)
--
John Francis [EMAIL PROTECTED] Silicon Graphics, Inc.
(650)933-8295 2011 N. Shoreline Blvd. MS 43U-991
(650)932-0828 (Fax) Mountain View, CA 94043-1389
Hello. My name is Darth Vader. I am your father. Prepare to die.
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