I recently purchased a Sigma 50mm. I know there are bad copies. It looks like I got one. Please advise. This photo was shot with a T21
Aug 11, 2012 17:18 | #1 I recently purchased a Sigma 50mm. I know there are bad copies. It looks like I got one. Please advise. This photo was shot with a T21 My name is Ben from Savannah, GA
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Nmura Senior Member 732 posts Likes: 122 Joined Apr 2009 Location: Hawaii More info | Aug 11, 2012 17:25 | #2 bjbsav wrote in post #14845418  I recently purchased a Sigma 50mm. I know there are bad copies. It looks like I got one. Please advise. This photo was shot with a T21 Somethings definitely wrong there and I don't think it's you.
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Aug 11, 2012 17:28 | #3 Thanks. My name is Ben from Savannah, GA
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thestone11 Goldmember  1,203 posts Joined May 2011 Location: Edmonton, Alberta More info | Aug 11, 2012 20:06 | #4 You won the lottery~! Canon 5D MK II | Fuji X100 | Canon T2i | Canon 100mm macro f/2.8 | Canon 135L f/2 | Canon 50mm f/1.2 L | 17-40mm f/4 L | 24-70mm f/2.8 L | 70-200mm f/4 L IS USM |Canon 430EX II Flash X2 | Pocketwizard TT5 & TT1
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Aug 11, 2012 20:24 | #5 Ha ha...It seems to focus fine at longer length just not up close.  This one focused on the center of the sign. 1.4 1/640  It seems to be off when there are objects of multiple depths. My name is Ben from Savannah, GA
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Laramie Still livin' the cowboylife  3,220 posts Joined Nov 2006 Location: Inland Empire, California More info | Aug 11, 2012 20:40 | #6 Can you set up something with strong contrast like lines or text with black/white and under good lighting conditions just to try to eliminate variables? 5DIII | 40D | 17-40 f4L | Tamron 28-75 2.8 | 50 1.4 | 70-200 2.8L | Oly Zuiko 50 macro | Tamron 1.4x
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wayne.robbins Goldmember 2,062 posts Joined Nov 2010 More info | Aug 11, 2012 20:44 | #7 Read Roger's take here http://www.lensrentals.com …a-50mm-f1.4-hsm-for-canon EOS 5D III, EOS 7D,EOS Rebel T4i, Canon 70-200 f/2.8 IS II, Canon 24-105L, Canon 18-135 IS STM, 1.4x TC III, 2.0x TC III, Σ 50mm f/1.4, Σ 17-50 OS, Σ 70-200 OS, Σ 50-500 OS, Σ 1.4x TC, Σ 2.0x TC, 580EXII(3), Canon SX-40, Canon S100
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pixel_junkie Goldmember  2,013 posts Likes: 143 Joined May 2007 Location: Southern California More info | Aug 11, 2012 20:44 | #8 |
ImagesByBill Member 116 posts Likes: 4 Joined May 2012 More info | Aug 11, 2012 20:47 | #9 Looks to me like it focused on the bottle that is on the brick and the brick. Also the bottle in the center looks like the bottom is in focus. Maybe something to do with shallow depth of field?
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Aug 11, 2012 20:52 | #10 wayne.robbins wrote in post #14846135 Read Roger's take here http://www.lensrentals.com …a-50mm-f1.4-hsm-for-canon Basically, if you are too close or to far away... You can also use liveview when it does not focus using phase detection. Liveview does not care.. Up close, for example, shooting liveview helps quite a bit. Looks like we have the issue/non issue. My name is Ben from Savannah, GA
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AlanU Cream of the Crop More info | Aug 11, 2012 22:43 | #11 I call it the Sigmadud for a very good reason......sorry your one of the statistics..... 5Dmkiv |5Dmkiii | 24LmkII | 85 mkII L | | 16-35L mkII | 24-70 f/2.8L mkii| 70-200 f/2.8 ISL mkII| 600EX-RT x2 | 580 EX II x2 | Einstein's
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mjpck Senior Member 253 posts Likes: 6 Joined May 2012 More info | Aug 11, 2012 23:05 | #12 Time to call up Sigma. e=mc ** 2
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Aug 11, 2012 23:23 | #13 I emailed them. I will see what I get for a response. My name is Ben from Savannah, GA
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Nmura Senior Member 732 posts Likes: 122 Joined Apr 2009 Location: Hawaii More info | Aug 11, 2012 23:30 | #14 I had two sigma 50's in the past. Both had to be sent back due to focus issues.
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