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Old Mar 20, 2013, 6:56 PM   #1
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Default Sigma 150-500mm f/5-6.3 DG APO OS (Optical Stabilizer) HSM AF Lens

I am shooting a of bird pictures recently with my Tamron 70-300mm. this lens is quite versatile because it can do great closeup pictures. I enjoy the heck out of this lens. The only con about this lens is its slow focusing and I have a hard time tracking fast moving birds. I have been looking around for a lens with longer range and faster focus. I narrow down to 2 choices: the Canon EF 100-400mm f/4L IS and the Sigma 150-500mm f/5-6.3 DG APO OS HSM AF lens. After a long consideration, I decided on the Sigma which gives me a longer reach and $460 less in cost. However, I give up one f-stop, better IQ and perhaps the prestige of owing a white Canon L lens. It came in yesterday, I don't really have a chance to test it.

Finally the rain stopped this morning. I hurried myself to get to the neighborhood lagoon to try it. The sky was grey and the ambient light was not very good for a big lens which needs a lot of light. I found that the IQ on 150mm, 400mm and 500mm is not as sharp compared to 200mm, 250mm and 300mm. The focusing speed is significantly faster than the Tamron in tracking the flying seagull. The attached pictures were taken with the lens set to 500mm.



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Canon 5D MKII, EF 24-105mm f/4L, EF 50mm f/1.8, EF 100mm f/2.8L Macro, Tamron 70-300mm f/4.0-5.6 SP Di VC USD XLD, Sigma DG 150-500mm f/5.-6.3 APO HSM.
Canon EOS T3i, 7D and 70D EF 17-40mm f/4L, EF-S 55-250mm f/4-5.6, Sigma 18-250mm f/3.5-6.3 DC OS HSM, 430 EXII Flash.
Sony A200, SLT-A58 System with HVL-F42AM Flash.
Mirrorless APS-C camera: Samsung NX100, Canon EOS-M.
M4/3 systems: Olympus OM-D-E-M5 and Panasonic DMC-G3.
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Old Mar 21, 2013, 10:56 PM   #2
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Quote:
Originally Posted by WCKSer View Post
... However, I give up one f-stop, better IQ and perhaps the prestige of owing a white Canon L lens...
The 100-400L is f/5.6 @ 400mm and the Sigma is f/6.3 @ 500mm so you're only given up a 1/3 (and not a full-stop) for that extra 100mm !
-> Same thing at the low-end the difference between f/4.5 and f/5 is also a third and not 1 stop
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Last edited by NHL; Mar 21, 2013 at 11:02 PM.
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Old Mar 22, 2013, 12:09 AM   #3
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Quote:
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The 100-400L is f/5.6 @ 400mm and the Sigma is f/6.3 @ 500mm so you're only given up a 1/3 (and not a full-stop) for that extra 100mm !
-> Same thing at the low-end the difference between f/4.5 and f/5 is also a third and not 1 stop
I am not good at mathematics, it is just a simple round-off.
Here is a blue moon taken this evening around 6 pm for your blue smiles.
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Canon 5D MKII, EF 24-105mm f/4L, EF 50mm f/1.8, EF 100mm f/2.8L Macro, Tamron 70-300mm f/4.0-5.6 SP Di VC USD XLD, Sigma DG 150-500mm f/5.-6.3 APO HSM.
Canon EOS T3i, 7D and 70D EF 17-40mm f/4L, EF-S 55-250mm f/4-5.6, Sigma 18-250mm f/3.5-6.3 DC OS HSM, 430 EXII Flash.
Sony A200, SLT-A58 System with HVL-F42AM Flash.
Mirrorless APS-C camera: Samsung NX100, Canon EOS-M.
M4/3 systems: Olympus OM-D-E-M5 and Panasonic DMC-G3.
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Old Mar 22, 2013, 2:09 AM   #4
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I took some more pictures today and here are 3 pictures of a GBH in flight posted at the Wildlife section:

http://forums.steves-digicams.com/wi...arry-lake.html
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Canon 5D MKII, EF 24-105mm f/4L, EF 50mm f/1.8, EF 100mm f/2.8L Macro, Tamron 70-300mm f/4.0-5.6 SP Di VC USD XLD, Sigma DG 150-500mm f/5.-6.3 APO HSM.
Canon EOS T3i, 7D and 70D EF 17-40mm f/4L, EF-S 55-250mm f/4-5.6, Sigma 18-250mm f/3.5-6.3 DC OS HSM, 430 EXII Flash.
Sony A200, SLT-A58 System with HVL-F42AM Flash.
Mirrorless APS-C camera: Samsung NX100, Canon EOS-M.
M4/3 systems: Olympus OM-D-E-M5 and Panasonic DMC-G3.
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Old Mar 25, 2013, 8:38 PM   #5
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Test shots with the Bigma on my T3i @500mm using AI Servo instead of AI Focus.

http://forums.steves-digicams.com/wi...n-feeding.html
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Canon 5D MKII, EF 24-105mm f/4L, EF 50mm f/1.8, EF 100mm f/2.8L Macro, Tamron 70-300mm f/4.0-5.6 SP Di VC USD XLD, Sigma DG 150-500mm f/5.-6.3 APO HSM.
Canon EOS T3i, 7D and 70D EF 17-40mm f/4L, EF-S 55-250mm f/4-5.6, Sigma 18-250mm f/3.5-6.3 DC OS HSM, 430 EXII Flash.
Sony A200, SLT-A58 System with HVL-F42AM Flash.
Mirrorless APS-C camera: Samsung NX100, Canon EOS-M.
M4/3 systems: Olympus OM-D-E-M5 and Panasonic DMC-G3.
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Old Mar 26, 2013, 6:22 AM   #6
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hi looked at the pelican and it does not seem as sharp to me as the ones here was it hand held or on a tripod
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Old Mar 26, 2013, 11:55 AM   #7
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I always use AI Focus before and never use AI Servo, perhaps it is because of one type of focus is better than the other. The lens is mounted of the T3i so 500mm becomes 800mm because of the 1.6X multiplier factor, I do notice the lens becomes more jittery. I still playing with this lens and trying to learn how to use it correctly. It was hard to use a tripod of monopod because I was anticipating it would start to fly in any moment. So this series was taken hand held. You probably notice there is a lot of noise in the pictures because the weather was sort of bad and it was getting late in the day and this is the price I paid for using ISO 1600.
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Canon 5D MKII, EF 24-105mm f/4L, EF 50mm f/1.8, EF 100mm f/2.8L Macro, Tamron 70-300mm f/4.0-5.6 SP Di VC USD XLD, Sigma DG 150-500mm f/5.-6.3 APO HSM.
Canon EOS T3i, 7D and 70D EF 17-40mm f/4L, EF-S 55-250mm f/4-5.6, Sigma 18-250mm f/3.5-6.3 DC OS HSM, 430 EXII Flash.
Sony A200, SLT-A58 System with HVL-F42AM Flash.
Mirrorless APS-C camera: Samsung NX100, Canon EOS-M.
M4/3 systems: Olympus OM-D-E-M5 and Panasonic DMC-G3.

Last edited by WCKSer; Mar 26, 2013 at 12:00 PM.
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Old Mar 26, 2013, 9:34 PM   #8
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Sigma lens works differently on different camera. The reason I say that is because I have another Sigma lens th2 18-250mm super zoom. It works very well on the T3i and only so-so on the XSi. I went outside to do some testing after reading your question with the XSi and the focus is better than the T3i. So on my 3 camera bodies, the T3i does not work well whereas the 5DMKII and the XSi work very well.

I think Sigma lens may have compatibility problem on certain camera due to firmware.

I know for a fact that this lens works well with the 5DMKII and the XSi from online users reviews. For me, 2 out of 3 are not bad! I may call Sigma to see if they have any solution.

My suggestion is you worry about compatibility with the camera, the EF 100-400mm may be a better choice.
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Canon 5D MKII, EF 24-105mm f/4L, EF 50mm f/1.8, EF 100mm f/2.8L Macro, Tamron 70-300mm f/4.0-5.6 SP Di VC USD XLD, Sigma DG 150-500mm f/5.-6.3 APO HSM.
Canon EOS T3i, 7D and 70D EF 17-40mm f/4L, EF-S 55-250mm f/4-5.6, Sigma 18-250mm f/3.5-6.3 DC OS HSM, 430 EXII Flash.
Sony A200, SLT-A58 System with HVL-F42AM Flash.
Mirrorless APS-C camera: Samsung NX100, Canon EOS-M.
M4/3 systems: Olympus OM-D-E-M5 and Panasonic DMC-G3.

Last edited by WCKSer; Mar 26, 2013 at 9:44 PM.
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Old Mar 27, 2013, 4:09 AM   #9
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hi thanks for your answers they are most welcome and i am not sure but i will have to test them both out as i have a sigma 17-70os which works very well on my T2i/550d and a canon 70-20L f4 again works very well. thanks for your time
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Old Mar 27, 2013, 11:27 AM   #10
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The Sigma 150-500mm is a good lens if it works on your camera. You need to go to a camera store and try it with your camera to find out if it works on the T2i. The 100-400mm L is safer bet if you decide to stick with Canon product and it is an excellent lens.
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Canon 5D MKII, EF 24-105mm f/4L, EF 50mm f/1.8, EF 100mm f/2.8L Macro, Tamron 70-300mm f/4.0-5.6 SP Di VC USD XLD, Sigma DG 150-500mm f/5.-6.3 APO HSM.
Canon EOS T3i, 7D and 70D EF 17-40mm f/4L, EF-S 55-250mm f/4-5.6, Sigma 18-250mm f/3.5-6.3 DC OS HSM, 430 EXII Flash.
Sony A200, SLT-A58 System with HVL-F42AM Flash.
Mirrorless APS-C camera: Samsung NX100, Canon EOS-M.
M4/3 systems: Olympus OM-D-E-M5 and Panasonic DMC-G3.
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