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<blockquote data-quote="Horoscope Fish" data-source="post: 336051" data-attributes="member: 13090"><p>Expectations officially shattered... </p><p></p><p>It didn't take long to figure out this lens is not working out. I'm going to return the copy I have for a replacement before giving up on it all together however. When the lens behaves, it's pretty stellar, it's just not behaving for me.</p><p></p><p>The problem, in a nutshell, is the lens does not auto-focus for s--t when using any focal point other than the one located dead-center. Move away from using that dead-center focus point and things nosedive really hard. In the example images below (all are crops taken from 95%), the shot on the left was taken using the center focus point. The shot on the right was taken using a focus point in one of the four corners. This same problem occurred at a couple different f/stops though I didn't spend a lot time investigating the details. If these shots look a little flat it's because they're RAW files, saved to JPG with no intentional post-processing.</p><p></p><p>Hopefully the new copy will do better because this is not acceptable:</p><p></p><p>[ATTACH]103044[/ATTACH]<span style="color: #FFFFFF">.....</span>[ATTACH]103045[/ATTACH]</p><p></p><p></p><p>[ATTACH]103046[/ATTACH]<span style="color: #FFFFFF">.....</span>[ATTACH]103047[/ATTACH]</p><p></p><p><span style="color: #FFFFFF">.....</span></p></blockquote><p></p>
[QUOTE="Horoscope Fish, post: 336051, member: 13090"] Expectations officially shattered... It didn't take long to figure out this lens is not working out. I'm going to return the copy I have for a replacement before giving up on it all together however. When the lens behaves, it's pretty stellar, it's just not behaving for me. The problem, in a nutshell, is the lens does not auto-focus for s--t when using any focal point other than the one located dead-center. Move away from using that dead-center focus point and things nosedive really hard. In the example images below (all are crops taken from 95%), the shot on the left was taken using the center focus point. The shot on the right was taken using a focus point in one of the four corners. This same problem occurred at a couple different f/stops though I didn't spend a lot time investigating the details. If these shots look a little flat it's because they're RAW files, saved to JPG with no intentional post-processing. Hopefully the new copy will do better because this is not acceptable: [ATTACH=CONFIG]103044._xfImport[/ATTACH][COLOR="#FFFFFF"].....[/COLOR][ATTACH=CONFIG]103045._xfImport[/ATTACH] [ATTACH=CONFIG]103046._xfImport[/ATTACH][COLOR="#FFFFFF"].....[/COLOR][ATTACH=CONFIG]103047._xfImport[/ATTACH] [COLOR="#FFFFFF"].....[/COLOR] [/QUOTE]
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