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FORUMS Canon Cameras, Lenses & Accessories Canon EF and EF-S Lenses 
Thread started 25 Sep 2008 (Thursday) 20:06
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my tamron 17-50.....

 
boomer3297
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Sep 25, 2008 20:06 |  #1

Just got this lens and I have a question for owners of this lens and the nifty 50.... Is the Tamron just as sharp at 50mm as the nifty? I realize I may have to test them both to see but looking for some help.... As you can see I have the nifty but wondering whether I need both?
Thanks for any insight!


Mike Attanasio
www.AttanasioImagery.c​om (external link)

  
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MattMoore
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Sep 25, 2008 20:12 |  #2

There is a great variance in lenses in terms of out of the box sharpness, one Tamron 17-50 may be sharper than the next Tamron 17-50.

It applies to all lenses regardless of manufacturer (even the coveted L series has soft copies, albeit probably not as much due to much more stringent QC during their construction), some people get lucky and get sharp copies from the factory, some have to send it in to get calibrated, some never get a sharp copy.

But in my case, my 17-50 was as sharp as my nifty50 (if not sharper at some fstops); whether or not I got a REALLY sharp 17-50 or a soft nifty50...who is to say (I think they both are
pretty dang sharp).

But primes vs zooms, the primes will usually win.




  
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jft158
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Sep 25, 2008 20:13 |  #3

I just sold my 17-50 after I got my 1DIIN. I used both the Tamron and 50 1.8 on my 40D before. The 50 was sharper than the Tamron and the 50 came in handy for the 1.8 when I needed it indoors. I would keep both. Nice to have the 1.8 when u need it!


70d, 1Ds Mark II, Canon 300m 2.8L ,Canon 50 1.8, Canon 70-200 2.8L non-IS, Canon 100-400L, Canon 17-4 ,Canon 135L, Canon 85 1.8,Rokina 14mm fisheye, Canon 24-105L, Pancake 40mm smugmug site (external link)

  
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saravrose
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Sep 25, 2008 20:18 |  #4

My nifty is or was sharper than my Tamron 17-50.. Unfortunately it's now starting to show it's age a little bit and needs to be replaced..


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Canon 50mm f1.8 Tamron 17-50 f2.8
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blssdwlf
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Sep 25, 2008 20:26 |  #5

My 50mm f/1.8 is probably sharper than my 17-50, but in practice I don't notice it that much unless I pixel-peep. However, my 50mm doesn't get that much use because the 17-50 is pretty versatile. I'll only pull the 50mm out for very narrow DOF stuff or if I really need the f/1.8 (I kept it ;) )

boomer3297 wrote in post #6381687 (external link)
Just got this lens and I have a question for owners of this lens and the nifty 50.... Is the Tamron just as sharp at 50mm as the nifty? I realize I may have to test them both to see but looking for some help.... As you can see I have the nifty but wondering whether I need both?
Thanks for any insight!


Regards,
Peter
--= gear: 400D / 17-50 / 55-250 / nifty-50 / flash / etc =--

  
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leadweight
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Sep 25, 2008 21:09 |  #6

Not sure what the OP is really thinking. If you have the 17-50 and like it, the 50 is still a bit faster in low light and also very compact. Besides, if the 17-50 is a keeper, you really can't get enough out of a 50 f/1.8 to make the effort of selling it worthwhile, IMO. Anyway, I don't think the 50 has to be sharper to have a reson to keep it.




  
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Redlineracer12
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Sep 25, 2008 21:09 as a reply to  @ blssdwlf's post |  #7

I too have both lenses. I keep the 50mm for the 1.8 and the small size. Plus this way I don't have to take my CP off the 17-50 as often :lol:




  
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ImRaptor
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Sep 25, 2008 22:34 |  #8

My nifty is sharper than my Tamron.


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Gig103
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Sep 25, 2008 23:03 |  #9

nw85887 wrote in post #6381716 (external link)
There is a great variance in lenses in terms of out of the box sharpness, one Tamron 17-50 may be sharper than the next Tamron 17-50.


So... This makes me very wary of buying the lens, is there some sort of test (other than my own eyes) to know if I have a bad copy? As a newbie, I'd be afraid it's my photography skils, but if I took pics on AUto or P would it be a good test? If it's not a sharp copy, do warranties cover that sort of adjustment?

Sorry for the n00b question!


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Laramie
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Sep 26, 2008 00:26 |  #10

Gig103 wrote in post #6382759 (external link)
So... This makes me very wary of buying the lens, is there some sort of test (other than my own eyes) to know if I have a bad copy? As a newbie, I'd be afraid it's my photography skils, but if I took pics on AUto or P would it be a good test? If it's not a sharp copy, do warranties cover that sort of adjustment?

Sorry for the n00b question!

Put it on put it in Av, select center focus point, and go shoot objects at different f-stops. Be sure you have fast enough shutter speed so you don't get vibration/shakey hands.

You should be able to tell soon if it's sharp or not. I've had 2 Tamron 17-50s and both were very sharp.


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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Laramie
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Sep 26, 2008 00:27 |  #11

boomer3297 wrote in post #6381687 (external link)
As you can see I have the nifty but wondering whether I need both?

Since the nifty can do something the Tamron can't, keep both. Unless you just don't ever see yourself uusing anything larger than f2.8


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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Mark-Of-Cain
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Sep 26, 2008 06:46 as a reply to  @ Laramie's post |  #12

I can't see any significant difference between mine. Only thing i may have noticed was the 50 looked to have better colour/contrast and F/1.8 is cooler than F/2.8:D Both are great lenses and the only time i'd ditch one would be if i went FF(so you know what would have to go:()


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gravy ­ graffix
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Sep 26, 2008 07:25 |  #13

guess im the odd man out here... my tammy actually scratches the screen on the lcd.... lol

seriously, the tammy NEVER ceases to amaze me on how tack sharp it is and it is always at 2.8. i will never give it up. my 50 will get pretty sharp if i get up past f4, but i can do that with the tammy so there is no point.


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shutterfiend
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Sep 26, 2008 07:43 |  #14

My friend's 50/1.8 is sharper than my 17-50 at 50. There are 2 factors to consider:
1. The 17-50 is probably softest at 50.
2. The 50/1.8 is a prime lens.
3. At 2.8 the Tamron's wide open, the 50/1.8 is stopped a stop and a third down.


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CountryBoy
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Sep 26, 2008 08:06 |  #15

My Tamron produces better images at 2.8 @ 50mm then my fifty 1.8. Better color, contrast. Sharpness wise they are close. The Tamron does AF better also. But overall the Tamron wins. The nifty is really a wash under 2.8, soft, hunts.

But my 50mm Sigma 2.8 macro and Sigma 50-150 2.8 beats them both at 50mm @ 2.8 !
I don't even list the nifty in my sig any more. It's never used and stays home .


Hi

  
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my tamron 17-50.....
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