Reviews and Problems with Sigma 18-200mm f/3.5-6.3 II DC OS HSM
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Excellent lens for my K50
Arizona, B&H Photo
2 March 2016
Excerpt: I have never spent a lot of time with wide lens but this one has opened a whole new experience for me. Compact with a quick zoom, excellent images and just plain fun to use for interior shots and scenery. Need more time to fully evaluate but seems to be quite as good as my other Pentax lenses.
Summary: If you're a newer hobbyist looking for more of a do-all lens, look no further. This lens is adaptable to most situations. It's not the best at most things by any means, but what you're getting here is something that will allow you to stay in the action snapping away at you're kid's game, then turn...
Excerpt: Most useful lense I use for general photo.
Low light excellent no hunting quick focus.
I sold my Pentax 16 50 2.8 I bought this Sigma.
Excellent picture quality sharp crisp.
I was debating with this or the Tamron 17 50 2.8.
Everything I read Sigma was the clear winner.
Excerpt: Picked this one up during a holiday special. Just cannot justify spending the kind of money some of these lenses can fetch for a hobby I like to partake in here and there. Lens is fast, images are sharper than the finest cheddar money can buy, AF is fast, and I didn't have to refinance my house to...
Excerpt: This is a great zoom to replace your kit lens. It's wide angle to short telephoto is perfect for landscapes, to street photography, to portraits. It's sharp all the way across the focal length, but there is some noticeable pin cushion distortion at 17mm but is easily fixed in post.
Excerpt: HSM are quiet and fast on my K-3 body; a great lens when compared to similar offerings elsewhere. Aperture of f2.8 was indeed quick, but not quick enough, but please don't blame Sigma! My tastes are begining to lean toward the prime lens. I had to think long and hard about keeping this gem.
Excerpt: I've only had this lens a couple weeks and have only been able to take test shots of pets and family/friends. Thus far I'm extraordinarily pleased with its performance, especially considering the price. This was my upgrade from the standard 18-55mm pentax kit lens.
Summary: I got this lens from Amazon. The delivery was prompt and the item arrived in good condition in a protected package. I am using this lens with my Canon T3i. It has been about of week since I got this lens.