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Old Jul 7, 2004, 1:32 PM   #1
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I'm looking at getting the new Tamron 28-300mm f/3.5-6.3 XR LD AF for my "wife's" Rebel.

Has anyone used this lens?

Does Tamron work well with AF?

How would you compare Tamron and Sigma lens? Are they just cheap lens or are they a quality product that would meet the needs of most non-pros?

Thanks
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Old Jul 7, 2004, 1:53 PM   #2
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If I were ever to buy a third-party lens today Tamron would be what I would pick. They have a great longstandingreputation for quality optics.

You'll be making some compromises in image qualityin choosing a 28-300 zoom of any make, but Tamron's would be at leastas good as any other makers like lens, probably better than most.

Sigma and Tamron are probably close in quality today. The Sigma name to some, including myself,carries some baggage from past experiences that probably are not legitimate today, but I still hold it against them!

Greg
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Old Jul 7, 2004, 6:54 PM   #3
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Thank you Greg.

It's been 30 years since I really investigated photo equipt. Other than major brands I just haven't kept abreast of equipt. Read quite a few reviews - but I like to hear from people with real world, hands on experience.

RonE
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Old Jul 8, 2004, 5:04 PM   #4
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I have the Tamron 28-200. The 28-200 tends to make the pictures you take with it on the warm side( I like the warm color and can fix it with photoshop if I need to). It also is clearest if you stay more in the middle range of the lens(50-100) or if you can get enough light (or adjust asa) to shoot with at a lower f stop.
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Old Jul 8, 2004, 5:41 PM   #5
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Wouldn't the camera's Auto White Balance (AWB) cancel out any "filter" effect of the lens? Doesn't digital camera adjust its white balance for every shot in jpeg (not RAW), unlike film "color" which is fixed (by brand)?
... May be your camera is set on fixed WB :?:

On another note Sigma (like Tamron) has 2 lines of lenses: the regular and then the EX series. The EX's lenses are of higher quality and most if not all have HSM, which is the equivalent of Canon's USM. This ultrasonic drive is both super silent and fast, and also allows the user full-time manual overide of the AF through the focusing ring without having to flip any manual switch back and forth.
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Old Jul 8, 2004, 7:12 PM   #6
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I have been using a Tamron 28-300 xr on my Canon 300D for little over a month. I bought it with some trepidation after reading different posts. My concerns were that there would be too many comprises associated with the long zoom rang and that it would not be fast enough. I have the 18-55mm that came with the camera and the Canon 50mm 1.8. I used the 50mm for several months as my walk around lens, preferring it over the 18-55. Now the Tamron has taken its place. I really like the zoom range and after making some adjustments to the camera and my approach to using it, I feel confident that the shots I take will be worthy of the subject. I have moved the ISO up from 200 to 400 for most situations. I have increased in-camera the contrast to +1 and sharpening to +2. I'm not afraid to use max zoom, understanding that good light, fast shutter speeds and high f-stops will make a difference. The AF works fine in normal light.
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