I guess he wants a comparison of the 2 lens at 18-50mm range i think...in terms of sharpness.
Tamron 17-50mm, Nikon 17-55mm
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I guess he wants a comparison of the 2 lens at 18-50mm range i think...in terms of sharpness.
yes you are right. just compare them at 18-50mm range. Tamron 17-50mm got F2.8 aperture and costs only half that of 18-200 VR, but 18-200VR covers long zoom range and most important of all the vibration reduction. I am thinking which one to buy next.
I have the Tammy and have handled the 18-200VR before. I am no expert and I dun pixel-peep, so I cannot really tell about the sharpness. Image quality-wise, I am happy with both.
I love the range of the 18-200VR, very versatile, very good for walkabout. Too expensive for me, so got the Tammy. Love the "extra" 1mm, but sometimes I do complain about not having enough reach and have to footzoom. I guess cannot have the best of all the worlds.
I love the range of the 18-200VR, very versatile, very good for walkabout. Too expensive for me, so got the Tammy. Love the "extra" 1mm, but sometimes I do complain about not having enough reach and have to footzoom. I guess cannot have the best of all the worlds.
pixelArtwork
New Member
For me, as a walkaround, Tammy is good enough. Didn't see the need to spend more $$$ on Nikon. Sharpness is good enough too. Save the $$$, and buy other lens.
chanjyj
New Member
Tamron doesn't pass correct subject-camera distance info to the camera, resulting in overexposed TTLBL images at close range. Something I am highly pissed of by, and therefore, not ever going to buy a tamron.
(in the first place I have never liked tamron's build. even sigma is better. the TTLBL issue was the straw that broke chanjyj's back)
From now on, Nikon, Tokina and Sigma (If I really have to). Sick and damn tired of Tamron's funny issues and weird weird lenses.
(in the first place I have never liked tamron's build. even sigma is better. the TTLBL issue was the straw that broke chanjyj's back)
From now on, Nikon, Tokina and Sigma (If I really have to). Sick and damn tired of Tamron's funny issues and weird weird lenses.
geraldkhoo
Senior Member
Mmm... I guess you initially wanted to trade your 18-200VR with a Tamron 17-50 until you found out about this issue of not reporting back the correct subject-camera distance info. Not sure if you've personally tried and tested this lens. Just a suggesstion here... that maybe you would like to rent the lens for a couple of days and do your testing... and see how the lens works out
cheers!
chanjyj
New Member
Mmm... I guess you initially wanted to trade your 18-200VR with a Tamron 17-50 until you found out about this issue of not reporting back the correct subject-camera distance info. Not sure if you've personally tried and tested this lens. Just a suggesstion here... that maybe you would like to rent the lens for a couple of days and do your testing... and see how the lens works out
Nah. I'm fed up with em. Either I get the lower IQ Sigma, or just wack with the Nikon.
You'll have an equal share of problems with the Sigma... like back/front focusing issues.. :dunno: Up to you which one you can live with... ;p not reporting distance correctly or inaccurate focusing.. I'd go with a Nikon or maybe a Tokina.. Then again, it's been a long time since I used a Tokina so I'm quite out of touch with the quality..
Just stick with Nikon to be safe... ;p
conquer500
Deregistered
17-55 colour and contrast looks good on my D40x.
I owned the 18-200, 18-70, all these i sold it off to fund for the 17-55 due to the contrast and colour that i have seen.
I owned the 18-200, 18-70, all these i sold it off to fund for the 17-55 due to the contrast and colour that i have seen.
chanjyj
New Member
Well, I think as long as I test the Sigma lens at the point of purchase and ensure it has no back/front focus issues I would be safe.
But for Mr. Tamron the problem is inherent in the design, so ALL of the lenses will have this stupid problem.
Same thing with Sigma. The front/back focus issue is the firmware of the lens, that's how they can calibrate the lens without touching the body. You'd better bring down your camera to test because the amount of front/back focus is different when you use on different bodies even when the same Nikkor lens gives spot on focus on all the bodies... Good luck!! ;p
chanjyj
New Member
*headache*
Like this means change body lens haywire :angry:
and Niikon is con-ing us of money via the 17-55mm.. I refuse to buy it. But then also the Tamron and Sigma are the only options besides Nikon0-can't find a Tokina with 28/17-50/55mm range
BAH :mad2: :mad2:
RealCaster
Member
Mmm... I guess you initially wanted to trade your 18-200VR with a Tamron 17-50 until you found out about this issue of not reporting back the correct subject-camera distance info. Not sure if you've personally tried and tested this lens. Just a suggesstion here... that maybe you would like to rent the lens for a couple of days and do your testing... and see how the lens works out
I have to agree with you. After reading about the Tamron not being able to do accurate reading Via iTTL or with iTTL BL... I was extremely worried..
Tried my Tamron 17-50mm with my D200 & SB800 with many shots in all different situation, front lit, back lit, complete darkness, portrait, etc... easily 100 shots, I have yet to encounter any over-exposure issue... may be I am lucky. By the way, I also compare the shots with nikon prime lens, 85mmf1.8, 50mmf1.4, 24mmf2.8.... I can say the lens is very sharp, but,... it comes to Vignetting it is not as good as the prime, but sharpness... I am impressed...
chanjyj
New Member
only problem is with I-TTL BL. Not I-TTL
RealCaster
Member
yap, tried with i-TTL BL too... did not encounter any issue, by the way, have you encounter this issue personally? may be you can share how you encounter this problem and I can try to replicate it on my systema and see if I have the same problem. cheers
chanjyj
New Member
I never bothered to buy the lens.
chanjyj
New Member
scaredcloud
Senior Member
You tried zooming also? Some lenses give front focus at tele end and back focus at wide end.. then how to correct?
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