60d lense options ?

The three lenses you've listed all exist as they fill very different needs. Amongst the countless lenses that could be added to your list is the highly acclaimed Canon 17-55/2.8 IS, but again, that's aimed at a different market to the other three. If you want to get any sort of meaningful advice, you'll need to answer the following:

What subjects are you planning on shooting with your new lens?
What lens/lenses have you already got?
What's your budget?
What focal lengths do you need?
Do you want a fast lens to stop action?
What are you looking to gain from this new lens?
 
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fair tomorrow said:
and I heard the 15-85 and 18-35 have the same IQ

You can check statements like this on tdp, Sigma looks a bit better:

http://www.the-digital-picture.com/Reviews/ISO-12233-Sample-Crops.aspx?Lens=675&Camera=736&Sample=0&FLI=1&API=0&LensComp=854&CameraComp=736&SampleComp=0&FLIComp=2&APIComp=3

rs said:
What subjects are you planning on shooting with your new lens?
What lens/lenses have you already got?
What's your budget?
What focal lengths do you need?
Do you want a fast lens to stop action?
What are you looking to gain from this new lens?

+1, to the op: please specify, otherwise people waste their time trying to read your mind.
 
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fair tomorrow said:
I have a 50mm 1.8 is all... Im getting into on camera/ Off camera flash and strobist work. I shoot mostly portraits and do majority video
fair tomorrow said:
And my budget will be 600 USD

So, if you're doing portrait work and video, then you are probably going to want to aim for primes. Going the 15-85, 18-135, etc dont really make sense unless you were doing travel photography.

There are basically two ways to go

1. Go all primes. So, maybe the new ef-s 24mm lens as well as the 85mm f/1.8 (or 100mm f/2). That would cover most general portrait work, and if you needed wider than 24mm, then something as simple as the 18-55 kit lens may do it.

2. Buy a 17-50 f/2.8 (if Tamron, I'd go non-VC) and then get another prime (85mm/100mm). That'd cover you from 17-50 and give you a closer portrait lens as well.

Ultimately it depends what kind of video you are doing. If you're in constant motion, then you'd probably have to grab primes or zooms with IS to make up for that, but if you are shooting locked off, you won't need that.
 
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preppyak said:
fair tomorrow said:
I have a 50mm 1.8 is all... Im getting into on camera/ Off camera flash and strobist work. I shoot mostly portraits and do majority video
fair tomorrow said:
And my budget will be 600 USD

So, if you're doing portrait work and video, then you are probably going to want to aim for primes. Going the 15-85, 18-135, etc dont really make sense unless you were doing travel photography.

There are basically two ways to go

1. Go all primes. So, maybe the new ef-s 24mm lens as well as the 85mm f/1.8 (or 100mm f/2). That would cover most general portrait work, and if you needed wider than 24mm, then something as simple as the 18-55 kit lens may do it.

2. Buy a 17-50 f/2.8 (if Tamron, I'd go non-VC) and then get another prime (85mm/100mm). That'd cover you from 17-50 and give you a closer portrait lens as well.

Ultimately it depends what kind of video you are doing. If you're in constant motion, then you'd probably have to grab primes or zooms with IS to make up for that, but if you are shooting locked off, you won't need that.

And what about outdoor portraits strobist work?
 
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preppyak said:
1. Go all primes. So, maybe the new ef-s 24mm lens as well as the 85mm f/1.8 (or 100mm f/2).

If primes: on crop, 100mm is rather long for portraits on crop, 85mm would be better for faces - that combinations averages the ubiquitous full frame 85/135mm combination.

Actually I find the 18-135stm option sounds about right - covers everything, silent motor and IS for video. In combination with the (rather horrible) 50/1.8 for low light it's a working combination. Portraits doesn't necessarily mean ultra-thin depth of field with only the tip of the nose in focus.
 
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