Thanks, Matthew. That’s very helpful. 

> On May 12, 2015, at 12:22 PM, Matthew Hunt <[email protected]> wrote:
> 
> On Tue, May 12, 2015 at 11:48 AM, Eric Weir <[email protected]> wrote:
> 
>> So, should it be the 16-45 or is there something else I should consider.
> 
> I had a used copy of the 16-45, and I found it to be a very good
> value, and I liked the 16mm wide end. But before too long, my copy
> became decentered, so the right edge of the image was very soft. I
> recently met up with PDMLer Zos Xavius, and he said that he had two
> copies of the lens that developed similar issues. So I'm not a fan of
> the build quality of the lens.
> 
> I just replaced it with a new Sigma 17-70mm f/2.8-4 Contemporary,
> which is on sale for $399. So far I like the new lens; it's a bit soft
> at the edges at 17mm (worse than my Sigma 10-20mm f/4-5.6 at 17mm),
> but respectably close to my FA 50mm f/1.4 at 50mm, and sharper than my
> Tamron 70-200mm f/2.8 at 70mm. The reach out to 70mm is nice.
> 
> There is one thing to know about the Sigma, though: It had a firmware
> bug that mis-reported the focal length to the camera at the wide end,
> causing the shake reduction system to operate incorrectly. This bug
> has been fixed, but you might get a lens with the old firmware, and
> you would have to either send it to Sigma or buy the Sigma USB dock
> ($60) to update the firmware. (I just sent my copy to Sigma yesterday.
> I was going to buy the USB dock, but the pop-up flash button fell off
> my K-5 II, so I decided to send the camera to Pentax and the lens to
> Sigma at the same time.)
> 
> http://www.pentaxforums.com/articles/pentax-related-news/sigma-addresses-17-70mm-shake-reduction-issue.html
> 
> -- 
> PDML Pentax-Discuss Mail List
> [email protected]
> http://pdml.net/mailman/listinfo/pdml_pdml.net
> to UNSUBSCRIBE from the PDML, please visit the link directly above and follow 
> the directions.

------------------------------------------------------------------------------------------
Eric Weir
Decatur, GA  USA
[email protected]

"Our world is a human world." 

- Hilary Putnam






-- 
PDML Pentax-Discuss Mail List
[email protected]
http://pdml.net/mailman/listinfo/pdml_pdml.net
to UNSUBSCRIBE from the PDML, please visit the link directly above and follow 
the directions.

Reply via email to