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FORUMS Canon Cameras, Lenses & Accessories Canon EF and EF-S Lenses 
Thread started 08 Jan 2013 (Tuesday) 09:08
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On the fence: Sigma 17-50 or Canon 15-85

 
digitalis99
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Jan 08, 2013 09:08 |  #1

I have T3i and upgrading from my 18-55IS kit lens. I am torn between Sigma 17-50 or Canon 15-85. I do like the extra 35mm of 15-85 for better portraits and street shooting. But then I can also crop the image from 17-50 ??

For indoors, I always use speedlight for better photos. Additionally, I have 50mm 1.8 lens and 55-250mm. My options now:
1) Sigma 17-50mm 2.8 + Canon 85mm 1.8 (sell 50mm 1.8)
2) Canon 15-85mm 3.5-5.6
3) Canon 18-135mm 3.5-5.6
4) Tamron 28-75mm f2.8 (looks good except I read things about inaccurate, slow and noisy autofocus but then again every lens has naysayers)

Since I am using speedlight indoors, would I be fine with 15-85 or 18-135 for parties, family group shots or individual portraits? For outdoors, what's the use of f2.8 ?




  
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2n10
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Jan 08, 2013 09:53 |  #2

I would go for the 15-85 if you always use your speedlite indoors. The extra range will make it a great walk around lens and as such you should not need to remove it much.

The 2.8 will help in lower light settings where your speedlite can not reach outdoors.


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pulsar123
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Jan 08, 2013 10:01 |  #3

I'd go with your option #1: f2.8 still helps indoors even with a flash - more accurate AF, can work in bigger rooms. Also, f2.8 stabilized zoom is great for many other occasions - in churches etc. And 85mm f1.8 will be your outdoor portrait lens, you'll get great subject/background separation.


6D, Tamron 24-70 f2.8 VC, 135L, 70-200 f4L, Laowa 15mm 1:1 macro, 50mm f1.8 STM, Samyang 8mm fisheye, home studio

  
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Charlie
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Jan 08, 2013 10:09 |  #4

sigma 17-50. I would say that most of the time, you can overcome the 50mm disadvantage by walking closer, but the 2.8 advantage (DOF and Light) are too hard to overcome.

I never found zooms like the 70-200 of any use for me, so that's just my opinion. Since you have a 55-250mm, you're covered on that end.


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Keyan
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Jan 08, 2013 10:24 |  #5

The 18-135 is not a bad lens. It's not great, but it's not bad. It's a good outdoor walkaround or indoor with a flash.

The 15-85 is a very optically good lens, with a flash you will have a lot of options. The Sigma 17-50 is a good lens too, not quite as sharp in the corners as the canon 17-55 and no full time manual if those are important to you.


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sebr
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Jan 08, 2013 10:39 |  #6

I would get a prime for portraits. Decide on the FL depending on what is comfortable for you, not based on the FL gaps in your line up. You can check the 50mm FL using your 50/1.8 or you can use your zoom to choose what is most comfortable for you.
Then you can add a walkaround lens like 15-85.


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digitalis99
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Jan 08, 2013 10:58 |  #7

pulsar123 wrote in post #15461048 (external link)
I'd go with your option #1: f2.8 still helps indoors even with a flash - more accurate AF, can work in bigger rooms. Also, f2.8 stabilized zoom is great for many other occasions - in churches etc. And 85mm f1.8 will be your outdoor portrait lens, you'll get great subject/background separation.

Would Tamron 28-75 replace both Sigma 17-50 and 85 1.8 ? Or would I lose too much on AF and quality for sake of convenience ?




  
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Silverfox1
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Jan 08, 2013 11:00 as a reply to  @ sebr's post |  #8

Having owned the Canon 17-55 & 15-85 in the past i have to suggest the Sigma 17-50 f2.8 OS HSM for what my opinion is worth:

https://photography-on-the.net …/showthread.php​?t=1023603

Regards, Ron ;)


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mike_311
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Jan 08, 2013 11:15 |  #9

digitalis99 wrote in post #15461306 (external link)
Would Tamron 28-75 replace both Sigma 17-50 and 85 1.8 ? Or would I lose too much on AF and quality for sake of convenience ?

The 28-75 is a fantastic lens on a crop, the only problem is that its not very wide, you are losing the wide end from 17-28, on a crop that a big drop.

I loved my 28-75 when i had it, but i also supplemented it with a UWA to get the wide shots.

also even though the 85/1.8 is a great lens, I'd pass up on it as there are better options, outside that 1.8 really wont help you and often times you need to stop becuase so much light gets in. indoors its too tight. its much more usable on a FF camera IMO. i'd look at a 70-200/4 instead. you will still get the subject isolation with a telezoom and more versatility with it..

i had a UWA and a 28-75, with a 50mm and a 85mm serve my needs until i moved to full frame. I rarely if ever used the 85mm. i enjoyed the combination more than others who prefer wider zooms for kit replacements.


Canon 5d mkii | Canon 17-40/4L | Tamron 24-70/2.8 | Canon 85/1.8 | Canon 135/2L
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FEChariot
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Jan 08, 2013 11:19 |  #10

digitalis99 wrote in post #15460819 (external link)
lens and 55-250mm. My options now:
1) Sigma 17-50mm 2.8 + Canon 85mm 1.8 (sell 50mm 1.8)
2) Canon 15-85mm 3.5-5.6
3) Canon 18-135mm 3.5-5.6
4) Tamron 28-75mm f2.8 (looks good except I read things about inaccurate, slow and noisy autofocus but then again every lens has naysayers)

I have option 1 and would be my recommendation.

Options 2 and 3 (3 if the new STM version) would be good too but I would want a Sigma 30/1.4 and 85/1.8 to pair with these slower 5.6 zooms to give you some shallow DOF capabilities.

Your reservations with the Tamron were my experiences. Although it was very sharp at F4 and OK at 2.8.

digitalis99 wrote in post #15461306 (external link)
Would Tamron 28-75 replace both Sigma 17-50 and 85 1.8 ? Or would I lose too much on AF and quality for sake of convenience ?

I actually went the otherway and sold the Tamron and ended up adding both of those.


Canon 7D/350D, Σ17-50/2.8 OS, 18-55IS, 24-105/4 L IS, Σ30/1.4 EX, 50/1.8, C50/1.4, 55-250IS, 60/2.8, 70-200/4 L IS, 85/1.8, 100/2.8 IS L, 135/2 L 580EX II, 430EX II * 2, 270EX II.

  
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Mark-B
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Jan 08, 2013 12:23 |  #11

Always choose the constant aperture lens when it is an option.

No, cropping is not the same as zooming. A cropped 50mm shot will not look the same as an 85mm shot.


Mark-B
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Amamba
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Jan 08, 2013 14:17 |  #12

I too have Option 1 and love it. Its hard for me to give up a constant 2.8 .

28-75 may be a great lens too. However before Sigma I had Tamron 17-50 which is supposed to be the same as 28-75 in most features and the AF on it is slower than on Sigma.


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John ­ from ­ PA
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Jan 08, 2013 14:18 |  #13

Be aware that Sigma has a 17-70mm F2.8-4 DC Macro OS HSM lens that will hit the streets supposedly in February.




  
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FEChariot
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Jan 08, 2013 14:47 |  #14

John from PA wrote in post #15462095 (external link)
Be aware that Sigma has a 17-70mm F2.8-4 DC Macro OS HSM Contemporary lens that will hit the streets supposedly in February.

To avoid confusion with the current one, I fixed that for you.


Canon 7D/350D, Σ17-50/2.8 OS, 18-55IS, 24-105/4 L IS, Σ30/1.4 EX, 50/1.8, C50/1.4, 55-250IS, 60/2.8, 70-200/4 L IS, 85/1.8, 100/2.8 IS L, 135/2 L 580EX II, 430EX II * 2, 270EX II.

  
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1Twist
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Jan 08, 2013 14:59 |  #15

15*85




  
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On the fence: Sigma 17-50 or Canon 15-85
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