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Thread started 05 Dec 2010 (Sunday) 10:37
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Tamron; 17-50 or 28-75?

 
TeenPhotog
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Dec 05, 2010 10:37 |  #1

Thanks for taking the time to read this.

So both have a constant max aperture of 2.8. A big subject for me is shooting concerts. I am on a 450d so the 17-50 becomes a 27.2-80 and the 28-75 a 44.8-120.

At concerts I have been exclusively using the 50 1.8. Roughly 80% of the time, when I wish that I had a zoom lens, I wish I could go wider, often times a lot wider. But there are those occasionally instances where I want I longer focal length.

At this point the 28-75 seems like the better choice. Is either lens more prone to flare? Is one generally sharper, especially when wide open? Any insight would be really helpful.

Thanks.


Canon 450D | 50 1.8 | 18-55 | 55-250 | 430ex ii | http://abramowitzimage​s.zenfolio.com/ (external link)

  
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Erik_L
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Dec 05, 2010 10:48 |  #2

28-75 would be my choice. I had a few copies of each and the 28-75 was sharper every time.

Consider a wide angle zoom to slap on for the wide shots.


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bohdank
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Dec 05, 2010 10:58 |  #3

I use a 28-75 for concerts on a FF. The 17-50 would be equivalent on a crop. Then again I have and do use other lenses during a show, so keep that in mind.

It really depends on the venue, imo. I shot last week in a smaller club/stage and used a 24L and 28-75, exclusively. I could have also used a slightly longer lens but did well without it. I've shot there before so knew I could leave a lot of lenses at home. Venue is important. I've used everything from 17 to 300 shooting concerts.

I find the 28-75 handles flare, well enough. I don't consider the 28-75 having a flare problem. I don't know about the 17-50.


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kmk251145
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Dec 05, 2010 11:12 |  #4

TeenPhotog wrote in post #11398778 (external link)
Thanks for taking the time to read this.

So both have a constant max aperture of 2.8. A big subject for me is shooting concerts. I am on a 450d so the 17-50 becomes a 27.2-80 and the 28-75 a 44.8-120.

At concerts I have been exclusively using the 50 1.8. Roughly 80% of the time, when I wish that I had a zoom lens, I wish I could go wider, often times a lot wider. But there are those occasionally instances where I want I longer focal length.

At this point the 28-75 seems like the better choice. Is either lens more prone to flare? Is one generally sharper, especially when wide open? Any insight would be really helpful.

Thanks.


17-50 remains 17-50. 28-75 remains 28-75. It doesn't change!




  
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bohdank
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Dec 05, 2010 11:25 |  #5

The FOV comparison only has meaning if you are comig from a FF and now shoot a crop or you have both. Other than that, I have no idea why anyone even mentions the equivalent FOV which I believe the OP was doing.

Yes 17 is 17 is 17mm.


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muskyhunter
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Dec 05, 2010 11:41 |  #6

Try looking at a 85 1.8.



  
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TeenPhotog
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Dec 05, 2010 14:08 |  #7

bohdank wrote in post #11398974 (external link)
The FOV comparison only has meaning if you are comig from a FF and now shoot a crop or you have both. Other than that, I have no idea why anyone even mentions the equivalent FOV which I believe the OP was doing.

Yes 17 is 17 is 17mm.

I don't know why I mention it, except that a full frame shooter might weigh in on the matter, but it is fairly irrelevant. I think everyone in this thread is clear about focal length, crop sensors, ect.

Thanks for all the help so far.


Canon 450D | 50 1.8 | 18-55 | 55-250 | 430ex ii | http://abramowitzimage​s.zenfolio.com/ (external link)

  
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bohdank
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Dec 05, 2010 14:44 |  #8

Read kmk's post.


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TeenPhotog
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Dec 05, 2010 15:16 |  #9

Maybe we aren't on the same page, but all else being equal putting a 50mm lens on a full frame and a crop will result in two different images. That's all I was getting at.


Canon 450D | 50 1.8 | 18-55 | 55-250 | 430ex ii | http://abramowitzimage​s.zenfolio.com/ (external link)

  
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watt100
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Dec 05, 2010 16:20 |  #10

TeenPhotog wrote in post #11398778 (external link)
Thanks for taking the time to read this.

So both have a constant max aperture of 2.8. A big subject for me is shooting concerts. I am on a 450d so the 17-50 becomes a 27.2-80 and the 28-75 a 44.8-120.

At concerts I have been exclusively using the 50 1.8. Roughly 80% of the time, when I wish that I had a zoom lens, I wish I could go wider, often times a lot wider. But there are those occasionally instances where I want I longer focal length.

At this point the 28-75 seems like the better choice. Is either lens more prone to flare? Is one generally sharper, especially when wide open? Any insight would be really helpful.

Thanks.

On a crop model the 17-50 will be sharper but will vignette on a full frame body

TeenPhotog wrote in post #11399935 (external link)
Maybe we aren't on the same page, but all else being equal putting a 50mm lens on a full frame and a crop will result in two different images. That's all I was getting at.

right, you got to be careful here. The crop factor police will come down fast.




  
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TeenPhotog
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Dec 05, 2010 16:27 |  #11

watt100 wrote in post #11400262 (external link)
right, you got to be careful here. The crop factor police will come down fast.

You're definitely right about that...


Canon 450D | 50 1.8 | 18-55 | 55-250 | 430ex ii | http://abramowitzimage​s.zenfolio.com/ (external link)

  
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MSIGuy
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Dec 05, 2010 18:34 |  #12

Since getting my 17-50 my 28-75 has been used mainly for it's "macro" shooting abilities. The last wedding I shot my 17-50 and my 85 lived on the camera, only time they came off was when it was time to do detail/ring shots which is where the macro of the 28-75 really comes in handy.

Honestly that's the only reason I have the lens anymore, once I get a dedicated macro, I'm pretty sure that the 28-75 will be gone.


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Tee ­ Why
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Dec 06, 2010 00:37 as a reply to  @ MSIGuy's post |  #13

I'd say normally, the 17-50mm makes a better range. But in concert shooting, I'm assuming you are mainly going for portrait type of composition and in that case, I think the 28-75mm may be better.

I've had both lenses on a cropped body and found the 28-75mm lens better for half body to head shot shooting.


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Tamron; 17-50 or 28-75?
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