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01-07-2013, 11:23 PM   #16
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Thanks to you all for your suggestions and tips. I'm now leaning towards Tamron 28-75, and will use my DA 18-135 for wider range...

01-08-2013, 04:16 AM   #17
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QuoteOriginally posted by David L Quote
Thanks to you all for your suggestions and tips. I'm now leaning towards Tamron 28-75, and will use my DA 18-135 for wider range...
A wise decision with the added bonus of if ever Pentax do make a full frame ******
01-08-2013, 04:26 AM   #18
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Just a quick add to this - if the Tamron 28-75 is half as good as the 17-50mm:










I'm finding I could do with a bit more length, so was thinking about the 28-75mm, the problem being occasionally I want to get up close and use the wide-angle aspect of the 17-50mm, but its rare - I'm going to do a focal length analysis and work it out. I like the sound of the Sigma 24-70mm, but not so much the price.
01-08-2013, 04:14 PM   #19
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Nice shots Pheo. I noticed you have both DA18-135 and Tamron 17-50. Which one do you prefer, and is the IQ from the Tamron 17-50 much better than DA18-135 in the same focal range?

01-08-2013, 11:22 PM   #20
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Looking at your work, you like to shoot longer than 50mm.... That will exclude a lot of the zooms you have listed.

Canon lens produces a different look (more magenta). Sigma tends to produce a warmer image (like Nikon). If Canon lens is in your budget, why not go for a Canon zoom or portrait prime with aperture 1.8.

All the best..
01-09-2013, 02:56 PM   #21
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Q
QuoteOriginally posted by David L Quote
Nice shots Pheo. I noticed you have both DA18-135 and Tamron 17-50. Which one do you prefer, and is the IQ from the Tamron 17-50 much better than DA18-135 in the same focal range?
Humm, difficult to say - I tend to use them for different purposes I.e the Tamron comes out for indoors/low light. The 18-135 is more versatile - so when I don't know what I'm going to be shooting it tends to go on. It's still a great lens:




But perhaps for slightly different purposes. Wouldn't have been comfortable with the 18-135 in low light indoors for instance. Wouldn't take the Tamron on a day hike... I've not noticed a dramatic difference in IQ, but this is probably due to not having to stress the Pentax lens. I suspect if I got it out in lowlight my photography would suffer. Stopped down in good light, not so much.
01-09-2013, 04:44 PM   #22
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Aside from the fact that the OP has not posted for a few posts, and, that I will ignore the fact he shoots canon as opposed to Pentax, I will offer some comments here as my base kit is a sigma 10-20F4-5.6, a sigma 70-200F2.8 and a tamron 28-75F2.8. I seem to have either the kit he is liking at and / or what others here recommend.

The only issue I have is the gap from 20-28mm between the sigma 10-20 and the Tammy 28-75. This can sometimes be a limitation. Ideally there should be some overlap of lenses in this range. I fill this with the FA-J 18-35 which I also own, and depending on what I am doing overall, I leave either the FA-J 18-35 or the 70-200 at home but only rarely both. I find that I am either shooting wide to moderate tele, or shooting tele, and only occasional need for wide, but I neve cover end whole focal length on one outing.

Consider your kit as the whole range but for a specific mission you don't expect to cover the entire range of your kit, only your kit needs to cover the entire range of missions
01-09-2013, 06:22 PM   #23
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QuoteOriginally posted by Pheo Quote
Q

Humm, difficult to say - I tend to use them for different purposes I.e the Tamron comes out for indoors/low light. The 18-135 is more versatile - so when I don't know what I'm going to be shooting it tends to go on. It's still a great lens:

But perhaps for slightly different purposes. Wouldn't have been comfortable with the 18-135 in low light indoors for instance. Wouldn't take the Tamron on a day hike... I've not noticed a dramatic difference in IQ, but this is probably due to not having to stress the Pentax lens. I suspect if I got it out in lowlight my photography would suffer. Stopped down in good light, not so much.
Thanks a lot Pheo for your comments. I'm now leaning towards Tamron 17-50, but will wait a little while to see if the IQ of newly announced Sigma 17-70 f2.8-4 is better than the Tamron 17-50.

01-10-2013, 07:26 AM   #24
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QuoteOriginally posted by David L Quote
Thanks a lot Pheo for your comments. I'm now leaning towards Tamron 17-50, but will wait a little while to see if the IQ of newly announced Sigma 17-70 f2.8-4 is better than the Tamron 17-50.
Likewise - I just did an analysis of focal lengths from my recent event and 2000 shots out of 2750 are at 50mm

And I cropped a lot

So want to see if the Sigma could perform both roles. I wonder when. The first reviews will arrive
01-10-2013, 08:23 AM   #25
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QuoteOriginally posted by David L Quote
Thanks a lot Pheo for your comments. I'm now leaning towards Tamron 17-50, but will wait a little while to see if the IQ of newly announced Sigma 17-70 f2.8-4 is better than the Tamron 17-50.
Likewise - I just did an analysis of focal lengths from my recent event and 2000 shots out of 2750 are at 50mm

And I cropped a lot

So want to see if the Sigma could perform both roles. I wonder when. The first reviews will arrive
03-23-2013, 08:56 AM   #26
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I've had the Tamron 28-75 on a Canon 50D and 7D and it is a super lens, really sharp. It has some trouble focusing in low light, some hunting, but looking through my pictures most of my shots were with that lens. I traded it for the Sigma 17-50 OS and it has served me well, better for group shots where I need the shorter focal length and nice for video with the OS. It's paired with the Tokina 11-16 that I just love. Great lens for ultra wide on a APS-C camera. I wish I still had the Tamron 28-75 for the additional reach as a walk-around lens, but I needed the funds for the Sigma.
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