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Sunday, September 23, 2007

DA 21 Mis-Focusing - A Design Problem?

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Quite some time ago, I wrote here for the DA 21 Limited Front Focusing (FF) and Back Focusing (BF) problems as reported by some users, in my...
14 comments:
Saturday, September 15, 2007

First Formal Test of the DA* 16-50/2.8

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A Polish gear testing site has carried out the first DA* lens formal test and the test report is published as follows:- http://www.optyczne....
25 comments:
Friday, September 07, 2007

Shootout Again! DA* 16-50 Vs SIGMA 18-50/2.8

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Here is a very recently published shootout test for the above two lenses:- http://forum.pentaxfans.net/showthread.php?t=54131 (The report in...
15 comments:

How to Get Back to an Older Version of the Firmware?

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For quite some good reasons, Pentax users, particularly K10D ones, wish to get back to older version of firmware for their DSLRs. A quick se...
Wednesday, September 05, 2007

SDM = More AF Errors?

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Recently, some different Pentax users, who had got the new DA Star lenses for their K10D, have reported that they found that more AF errors ...
13 comments:
Sunday, September 02, 2007

De-centering Defects of Pentax Lenses

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Klaus Schroiff of the PhotoZone recently has cancelled his tests on both of the two latest DA* zooms , owing to the pronounced "cente...
10 comments:
Wednesday, August 29, 2007

Underexposure Tendency of K10D and K100D

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Last time when I was trying to find some new DA* sample photos, I came across the following nice and interesting sample photo gallery by a K...
33 comments:
Saturday, August 18, 2007

DA* 16-50 Vs DA 16-45, A Shootout

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Here is one of first more formal tests I have seen, which I think is good enough to tell us some truths about the lenses, for a head-to-head...
21 comments:
Wednesday, August 08, 2007

Hoya has Completed Acquiring Pentax

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Two official announcements have been out at the Pentax Japanese website:- http://www.pentax.co.jp/english/news/2007/200772.pdf http://www.pe...
7 comments:
Friday, July 20, 2007

New DA Star Lenses are Coming Soon, Finally!

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Pentax has just made a news release at their Japanese homepage about the final market launch of their repeatedly delayed and hence long-awai...
3 comments: