Sigma 18-200mm f/3.5-6.3 II DC OS HSM Lens for Pentax Cameras, USA

SKU: SG182002PX

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Questions & Answers

Shopper : What is the performance of this lens on a K-5. Still haven't read anything definitive about whether it is designed for that camera. I've actually used my brother's Nikon D90 with this lens and was impressed. Will the autofocus work on a K-5?MARTIN S : I bought, tested, and returned this lens about a year ago. I was not impressed with it, mainly sharpness and detail, although I don't recall the specifics. Please understand that you sacrafice sharpness when you use a zoom with a wide zoom range. Sigma has a new 18-250 f3.5 that has gotten very good reviews for high performance over nearly its entire range. Have one on order, not yet arrived. I don't think Sigma and Tamron design lenses for specific camera brands, but will fit mounting rings to a lens design to permit it use on a number of brands. The only difference in a lens intended for a Pentax is that if won't have internal optical stabilization as that is in the Pentax. Some Sigma-Pentax lenses do have OS, and it is better than the Pentax internal OS, so in that case turn off the Pentax and rely on the OS in the lens.
Shopper : Is this lense is ok for Pentax K5 even if this camera has stabilised device? DenisMARTIN S : Sigma says their in-lens stabilisation is better than in-camera stabilisation. Try iit both ways, but don't use both at the same time as they fight each other.ANDREW R : According to the manufacturer: * OS function is not available for Sony and Pentax mounts. * For Pentax mount, auto focus will not be available on Pentax ist* series and K100D.

Reviews about this item

Review Summary

2014-06-02T21:00:00

Rated 4 out of 5

Good value for the cost

I use the lens as my 'normal' lens; it's the one always on my Canon7D. Focus is sharp and the IS function works well. It's lighter than my old 10-200 with a filer size of 62mm vs 72mm. So far, I'm pleased with it (only used it for a month).

Peter/WNC

2013-07-15T21:00:00

Rated 2 out of 5

weighed, measured, came up lacking

I had higher hopes for this lens. The Sigma 17-70 is in my bag and is leaps and bounds better than this lens. The clarity just isn't there and I have to push my ISO in order to get the image. If it's not too late, I'm returning this lens and will do more research and save my dollars to afford a quality lens.

Commercial g.

2013-06-16T21:00:00

Rated 5 out of 5

Saves from carrying lots of lenses

Used it from graduation. Great for finding who you want to take pictures of.

Amy C.

2013-05-23T21:00:00

Rated 5 out of 5

Perfect if you only have one lens

The optical stabilizer works beautifully, even at max zoom. This is the only lens I purchased (so far) with my DSLR. I didn't want to have to change lenses and potentially expose the sensor to dust. Perhaps later, I may want to get additional lenses for specific uses, after I've become more proficient. But this is the perfect starter lens, at a comparably good price.

Russ

2013-04-29T21:00:00

Rated 4 out of 5

switched from tamron 18-270 to this one

the price was right, and since I like to keep it to one lens when I travel , this makes a lighter , less bulky package of my canon rebel, without losing much telephoto , etc.

KRISTIN D.

2013-03-25T21:00:00

Rated 4 out of 5

Very happy so far

I bought this lens to replace the very good Nikon kit lens. I wanted more zoom without having to change between the 18-55 and 55-200 and this fits the bill perfectly. So far the pictures have come out great with the limited amount I've been able to play with it so far. The construction feels sturdy enough, the auto focus is very quick and quiet and everything performs as expected. I'd suggest this lens to anyone looking for more zoom than their kit lens, or an all around travel lens.

JEREMY G.

2012-05-06T21:00:00

Rated 5 out of 5

Excellent travel lens for the money

This is my first non-canon lens. I am using it with T3i The Good - Solid build. Compact and Lightweight. Fast, accurate, and reasonably quite Auto Focus. Good IQ for the price. Zoom Range (29 - 320 for T3i) Outdoor closeups are great, it gives smooth background blur @200mm. The Bad - It creeps. It can be locked only at 18mm. Some stickiness in zoom mechanism at mid-range. F6.3 is a minor issue, It affects only if you are shooting in poor light with above 80mm zoom and Evaluative metering. Overall - Nice travel/walk-around lens.

SHAILESH A.

2012-03-06T19:00:00

Rated 4 out of 5

Good carry lens

Designed exclusively for smaller APS-c size sensors A little soft at high end but all 18-200 lens share this problem. Wife uses this on her Canon 60d.

HENRY N.

2012-02-10T19:00:00

Rated 4 out of 5

Great Lens

One wish is that it could lock at any desired Focal Length. The lens does creep to the higher focal length.

PAUL G.

About Sigma 18-200mm

FEATURED REVIEWS

Excellent travel lens for the money

By SHAILESH A.

This is my first non-canon lens. I am using it with T3i The Good - Solid build. Compact and Lightweight. Fast, accurate, and reasonably quite Auto Focus. Good IQ for the price. Zoom Range (29 - 320 for T3i) Outdoor closeups are great, it gives smooth background blur @200mm. The Bad - It creeps. It can be locked only at 18mm. Some stickiness in zoom mechanism at mid-range. F6.3 is a minor issue, It affects only if you are shooting in poor light with above 80mm zoom and Evaluative metering. ...

View full Review

Saves from carrying lots of lenses

By Amy C.

Used it from graduation. Great for finding who you want to take pictures of.

The Sigma 882109 18-200mm F3.5-6.3 II DC OS HSM lens is ideal for travel photography with a compact construction and length of just 87.7mm.

This lens features FLD ("F" Low Dispersion) glass elements, which have the performance equal to fluorite glass and SLD (Special Low Dispersion) glass elements providing excellent correction of color aberration. This Aspherical lens gives excellent correction for all types of aberration and distortion. The Super Multi-Layer Coating reduces flare and ghosting, ensuring high quality images throughout the entire zoom range.

Sigma's OS (Optical Stabilizer) system offers effective correction of approximately 4 stops, enabling easy handheld photography. HSM (Hyper Sonic Motor) ensures quiet, high-speed auto focus and the inner focus system eliminates front lens rotation, making the lens particularly suitable for using the supplied petal-type lens hood and circular polarizing filters. The rounded 7 blade diaphragm creates an attractive blur to the out of focus areas of images.

What's in the box:

  • Sigma 18-200mm f/3.5-6.3 II DC OS HSM Lens
  • Petal-Type Hood (LH680-01)
  • Sigma Warranty

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