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Do-it-yourself centering sanity check
#21
I just ran the test on my just arrived Sony 4/10-18mm... Former attachment is focused, latter is slightly defocused. It has been taken according to the suggestions, but I didn't use the tripod: I think it's ok because the lens is stabilised. The focused image doesn't look decentered, or at least too much; the defocused image looks it is. Your opinion?

 

Now, the practical question. I've bought through Amazon and I think they shouldn't contest a return because of a defect, and send me a replacement. But how many chances I have that the new lens is better (above all, how many chances about one which is worse)? I mean, if my current sample is just slightly decentered, is it worth while asking for a replacement? Does somebody have some experience about how many times Amazon would satisfy a replacement request? Thanks.

stoppingdown.net

 

Sony a6300, Sony a6000, Sony NEX-6, Sony E 10-18mm F4 OSS, Sony Zeiss Vario-Tessar T* E 16-70mm F4 ZA OSS, Sony FE 70-200mm F4 G OSS, Sigma 150-600mm Æ’/5-6.3 DG OS HSM Contemporary, Samyang 12mm Æ’/2, Sigma 30mm F2.8 DN | A, Meyer Gorlitz Trioplan 100mm Æ’/2.8, Samyang 8mm Æ’/3.5 fish-eye II | Zenit Helios 44-2 58mm Æ’/2 
Plus some legacy Nikkor lenses.
  


Messages In This Thread
Do-it-yourself centering sanity check - by Klaus - 04-05-2011, 07:27 PM
Do-it-yourself centering sanity check - by popo - 04-05-2011, 07:40 PM
Do-it-yourself centering sanity check - by Klaus - 04-05-2011, 07:52 PM
Do-it-yourself centering sanity check - by IanCD - 04-05-2011, 10:01 PM
Do-it-yourself centering sanity check - by netrex - 04-06-2011, 12:11 AM
Do-it-yourself centering sanity check - by Klaus - 04-06-2011, 05:27 AM
Do-it-yourself centering sanity check - by Ayoh - 04-06-2011, 06:23 AM
Do-it-yourself centering sanity check - by Klaus - 04-06-2011, 06:44 AM
Do-it-yourself centering sanity check - by Steinar1 - 04-06-2011, 08:56 AM
Do-it-yourself centering sanity check - by Klaus - 04-06-2011, 09:12 AM
Do-it-yourself centering sanity check - by Guest - 04-06-2011, 11:33 AM
Do-it-yourself centering sanity check - by Steinar1 - 04-06-2011, 12:48 PM
Do-it-yourself centering sanity check - by mst - 04-06-2011, 01:31 PM
Do-it-yourself centering sanity check - by Klaus - 04-06-2011, 01:47 PM
Do-it-yourself centering sanity check - by Klaus - 04-06-2011, 04:32 PM
Do-it-yourself centering sanity check - by Steinar1 - 04-06-2011, 10:02 PM
Do-it-yourself centering sanity check - by DenisLV - 08-24-2012, 07:52 AM
Do-it-yourself centering sanity check - by Rainer - 08-24-2012, 06:42 PM
Do-it-yourself centering sanity check - by DenisLV - 08-25-2012, 09:02 AM
Do-it-yourself centering sanity check - by ouki - 10-04-2013, 11:31 PM
Do-it-yourself centering sanity check - by stoppingdown - 11-09-2013, 01:16 PM
Do-it-yourself centering sanity check - by Klaus - 12-28-2013, 08:28 AM
Do-it-yourself centering sanity check - by josa - 02-17-2014, 11:00 AM
Do-it-yourself centering sanity check - by mst - 02-17-2014, 03:00 PM
Do-it-yourself centering sanity check - by josa - 02-17-2014, 06:26 PM
Do-it-yourself centering sanity check - by casual snapper - 02-17-2014, 08:47 PM
Do-it-yourself centering sanity check - by Guest - 02-18-2014, 04:12 PM
Do-it-yourself centering sanity check - by casual snapper - 02-21-2014, 03:36 PM
Do-it-yourself centering sanity check - by TomPhillpotts - 11-20-2014, 01:50 AM
Do-it-yourself centering sanity check - by Klaus - 11-20-2014, 08:48 AM
Do-it-yourself centering sanity check - by TomPhillpotts - 11-20-2014, 10:48 AM
Do-it-yourself centering sanity check - by Klaus - 11-21-2014, 11:39 AM
Do-it-yourself centering sanity check - by Klaus - 11-22-2014, 11:39 AM
Do-it-yourself centering sanity check - by Bghead8che - 12-05-2015, 11:49 PM
Do-it-yourself centering sanity check - by Guest - 12-06-2015, 01:19 PM
Do-it-yourself centering sanity check - by toni-a - 06-21-2016, 07:42 PM
Do-it-yourself centering sanity check - by Reinier - 10-01-2016, 02:21 PM
Do-it-yourself centering sanity check - by Klaus - 02-13-2018, 11:45 PM

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