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Originally Posted by Trav-man
1. Do you think it would be easier to shoot with both the 18-55 kits lens and a 70-300 macro lens (either the Sigma or the Tamron) or with one lens (18-200 and again the Sigma or the Tamron) I don't know how much of a hassle it is changing lenses when shooting and I am a very novice photographer and only have ~$300 to spend.
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Of course it will be "easier" if you had a single lens that covers the whole range but remember that with a big zoom range like that you will get some distortion in your photos. Tamron also makes a 18-250 but it is a little out of your price range about $500. I have the lens and it is great I have it on almost all the time only need to change for macro work or low light.
Quote:
Originally Posted by Trav-man
2. Out of each one of these lens groups, with lens is the best for the money?
Sigma 18-200mm f/3.5-6.3 DC vs. Tamron 18-200mm f/3.5-6.3 XR Di II Macro vs. Tamron 28-300mm f3.5-6.3 XR Di LD Aspherical Macro
Sigma 70-300mm f/4-5.6 DG APO Macro vs. Tamron AF70-300mm F/4-5.6 Di LD Macro
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I have never owned a sigma but I have the tamron 18-250 which is the upgrade to the 18-200 and the lens is very nice. gives you nice wide angle for those landscapes but since you are not shooting wildlife you will probabbly not need the long end of the range. I also once owned the tamron 28-300 and I can not recommend that lens. it is just not very well built. the lens kept extending when I pointed the camera down and the lens is kinda heavy. Also do you really need a 300mm lens?? again if you are shooting landscape and architecture I would think that you would be better off spending your money on something in the range of 18-85 or so.
Quote:
Originally Posted by Trav-man
I have also read somewhere that the Canon Rebel can't use its AF at the 6.3 end, is this true?
Any help would be appreciated. Thanks to Saralonde for her help to this point and informing me enough so I don't sound extremely inexperienced.
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While I do not own a cannon I would think that if the AF works for the lens it would not matter what the aperature is set to. I think that (someone correct me if I am wrong) the reason that AF does not work is that some cameras do not have a motor in the body so it will only autofocus if the lens has a motor. but I have never heard of a lens that will focus with one setting but not another. Again I could be wrong.... I am new to all this as well.
I hope this helps..