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11-09-2010, 02:31 PM   #1
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Which Travel Lens? Sigma or Tamron 18-200mm

I'm awaiting my K-7 (used off forum) and currently have a k10d which may be going up for sale shortly.

I currently have the kit lens Pentax 18-55mm f/3.5-6.3 and a Pentax DA 50-200mm lens along with a Sigma10-20mm f/4-5.6 wide angle. I would like to consolidate the 2 Pentax lenses and just pickup either a Sigma or Tamron 18-200mm for easy carrying, etc.

The Tamron is $289 - $100 rebate which brings it down to $189/no tax.
The Sigma is $249 off amazon.

Since I currently have a Sigma 10-20mm I probably am more comfortable with this brand but would like to have others opinions from folks who might have shot with both.

The ones I'm considering are:

Tamron AF 18-200mm f/3.5-6.3 XR Di II LD Aspherical (IF) Macro Zoom Lens for Pentax Digital SLR Cameras

OR

Sigma 18-200mm f/3.5-6.3 DC Lens for Pentax

Any advice on which one to pickup?

Also any reason for keeping the kit lens 18-55 and the 55-200mm, If I do end
up with the Tamron or Sigma?

Thanks in advance.


Last edited by scarr2k; 11-09-2010 at 02:39 PM.
11-10-2010, 10:57 AM   #2
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Nobody??
11-10-2010, 11:01 AM   #3
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QuoteOriginally posted by scarr2k Quote
Nobody??
try the lens forum
11-10-2010, 11:06 AM   #4
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I've been using the Sigma for years. It has good quality, but several better lenses would be ideal to get the best results. But being that you are going on a trip and want to pack less, the Sigma will do you just fine as a all in one lens. I have a lot of good glass, but when I don't feel like packing it all, I grab my trusting Sigma.

11-10-2010, 11:07 AM   #5
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I think i read that the Tamron 18-270 or whatever it is was quite good. I think there is also a Sigma that goes 18-250 or something. Check those out I think they are supposed to be a bit better than the 18-200s, roughly the same size and more reach

I personally did two years of travel straight. During that time I just used the kit lens and it worked fine. For $100-150 more you can get a much higher quality lens although you wont get the extra reach that you want tamron 17-50 2.8 is very nice and ~$400.

I dont know if youll get much better quality, maybe worse with either the tamron or sigma 18-200s, vs the kit lenses. Just some extra reach. Depends what you are looking for I guess. I find that I either shoot full wide or almost fully zoomed in, not much in the middle
11-10-2010, 11:28 AM   #6
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I have the sigma 18-200, its very convenient and takes nice pictures if the lighting is good and you are not too much into shooting action.

But the only time I use it is if I have to travel somewhere where I either dont know what to expect or if it is going to be a place where I wont be able to change lenses easily. I have also found that as you zoom to the longer end it gets painfully slow. I would only buy this lens used and more as a backup lens...
11-10-2010, 12:41 PM   #7
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i have the DA18-250 and i must say wherever light is good, the lens is darned good.

for low light conditions, you'll have to look entirely somewhere else.

over the course of accumulating a few lenses that i use, the 18-250 now occupies my camera about 15% of the time only. but these 15% matter so much to me, i've changed my decision from selling it, to keeping it.

just another opinion you'd like to hear about =)
11-10-2010, 02:29 PM   #8
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Even camera labs calls it a draw between the Sigma and Tamron, although with a Nikon dslr.

Tamron AF18-200mm F3.5-6.3 XR Di-II LD IF DSLR lens full review Cameralabs verdict

11-10-2010, 04:39 PM   #9
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At this point, I'd wait around and see how the Pentax 18-135 WR looks in production form.
11-10-2010, 04:51 PM   #10
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QuoteOriginally posted by GeneV Quote
At this point, I'd wait around and see how the Pentax 18-135 WR looks in production form.
Also where are you travelling, if to asia, maybe you can shop on the road
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