sigma 17-50 vs 18-300 vs tamron 18-400 (image quality)

Started 9 months ago | Questions thread
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sookchui New Member • Posts: 7
sigma 17-50 vs 18-300 vs tamron 18-400 (image quality)


I'm wondering if there is noticeable image quality difference between those three.

I have sigma art 30mm F1.4 (and usb dock), sigma 17-50mm, and canon 10-18mm.

I'm thinking about replacing my sigma 17-50 with one of the superzoom lenses (of course, for more zoom range). I just want to check people's opinion about this idea and their experiences with superzoom lenses.

There are some head to head image quality comparisons between sigma 18-300 and tamron 16-300 and they clearly say that sigma 18-300 is better. But since the tamron 18-400 came out with better quality than 16-300, I would like to know how it is compared with sigma 18-300 and 17-50 if possible (picture quality).

so, the question is.

1. If you have to choose one lens between sigma 17-50 or superzoom lenses (sigma 18-300 or tamron 18-400), what will it be?

2. If will go for superzoom lens, what will it be?

 sookchui's gear list:sookchui's gear list
Canon EOS Rebel SL1 Sigma 17-50mm F2.8 EX DC OS HSM Sigma 30mm F1.4 DC HSM Art Canon EF-S 10-18mm F4.5–5.6 IS STM
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