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Pentax smc DA 18-270mm f/3.5-6.3 ED SDM Lens

by Pentax

RRP: £699.99
Price: £419.00 & FREE Delivery in the UK. Details
You Save: £280.99 (40%)
Only 6 left in stock (more on the way).
Dispatched from and sold by Amazon. Gift-wrap available.
4 new from £418.00
  • 15 x zoom covering the extra-wide range
  • Supersonic AF motor (SDM)
  • Rounded diaphragm to produce a smooth, beautiful bokeh
  • Incorporates two extra-low dispersion (ED) elements in its optics.

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Product details

Product Description

Product Description

The smc PENTAX-DA 18-270mm F3.5-6.3 ED SDM high-magnification zoom lens offers 15 x zoom ratio to cover focal lengths from wide angle to super telephoto, while its built-in supersonic AF driving mechanism achieves both smooth, quiet AF operation and a compact, lightweight body. Its extraordinary wide angle-to-long-telephoto zoom coverage makes this zoom lens extremely versatile and handy, as it allows the user to effortlessly capture a wide variety of subjects, ranging from landscapes and snapshots to sports events, without the need of lens changes.

15-times zoom covering the extra wide range. When mounted on a PENTAX K-mount lens-interchangeable digital camera body, this zoom lens offers an 15-times zoom ratio covering focal lengths from 27.5mm wide angle to 414mm super telephoto in the 35mm format. This allows the photographer to capture a wide range of scenes and subjects without lens changes, ranging from such casual applications as scenery, snapshot and portraiture to long-range sports photography. Its newly designed optics is the key to achieving such wide zoom coverage in a compact, lightweight body, for optimal versatility and maneuverability.

Supersonic AF motor (SDM) Thanks to the incorporation of the PENTAX-original SDM autofocus system driven by a built-in supersonic motor, this zoom lens offers exceptionally smooth and quiet autofocus operation. When mounted on an SDM-compatible PENTAX K-mount lens-interchangeable digital camera body, the focus mode is automatically switched to SDM-assisted autofocusing to ensure dependable, flawless AF operation.

Exceptional image description Incorporating two extra-low dispersion (ED) elements in its optics, this zoom lens delivers bright, high-resolution images even at the edges, while effectively minimizing chromatic aberration.

Box Contains

Hood PH-RBD 62mm
Lens cap 0-LC62
Mount cover
Pentax 18-270mm Lens

Customer Questions & Answers

Customer Reviews

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Most Helpful Customer Reviews on (beta) 12 reviews
17 of 17 people found the following review helpful
Not a steller lens. 17 Jan 2014
By Amazon Customer - Published on
Verified Purchase
First let's get the fact that this is not a Pentax lens out of the way. This is optically the same lens that Tamron markets in Canon, Nikon, and Sony mounts. In other words, it is a Tamron lens in Pentax clothing.

I think the best way to rate this lens is to look at the pros and cons.

On the pro side, I would list convenience as the main reason to purchase this lens, because it does not have much else going for it. We all want a lens that will go from a relatively wide angle to a fairly long telephoto in a small compact package. This lens fits that niche in you camera bag. It is an all-in-one walk around lens which is good for travel photography. Here I am talking about snap shooting, not serious photography. The only other plus for this lens is it's build quality, which is very nice.

Now to the cons. First this lens is way over priced. I would never pay the MSRP for this lens. Right now Adorama and B&H are both listing it at close to $800.00. The Amazon price is lower, and depending upon the seller, can be much more or much less than that price. I paid about $300 less than the Adorama and B&H price. Folks, this is not $800 glass. It is not what I would rate as very sharp at any focal length. Although it is fairly sharp at the short to mid focal lengths, is somewhat soft at the long end. Plus, it is slow. The f3.5 at the short end is not too bad, but f6.3 at 270mm is not very good. I found the AF had difficulty at the long end finding anything to focus on, so it just quit trying. Otherwise, the SDM focus was smooth, quiet, and fairly fast. There is a AF/MF switch on the lens, and a zoom lock for storage. There was no zoom creep on the considerable zoom extension, which was quite smooth.

This lens is not weather resistant, something you would expect in a Pentax lens, especially at the suggested price. Nor does it have the Pentax Quick Shift focus system we have all come to expect in Pentax lenses.

I bought this lens for the convenience of not having to carry more than one lens when traveling, and not having to change lenses when visiting crowded places. I think I will continue to carry at least two lenses, because the IQ is just not there with this lens. I would recommend that you consider purchasing the PENTAX DA 18-55mm f/3.5-5.6 AL Weather Resistant Lens @ $145 and the Pentax HD DA 55-300mm f/4-5.8 ED WR @ $411 instead of this lens. Yes, you would have to changes lenses occasionally, but both of these lenses are Weather Resistant and both have the Quick Shift focus. Plus they are both better glass than the DA 18-270mm. Both of these lenses are also available in non weather resistant versions at considerable savings.
8 of 9 people found the following review helpful
As good as the others. . . 10 Dec 2013
By Amazon Customer - Published on
Verified Purchase
I have mixed feelings about this lens. It is mostly what the advertisements claim it is, a super zoom lens of good quality when compared to other super zoom lenses. Unfortunately, it does not exceed other lenses in any way but the excessive price, and I say that having paid less than $500 for it. I bought it as an upgrade from my Tamron 18-200 which now sells for $199. The image quality of the two lenses is similar, and the zoom difference between the 200 and 270 lenses amounts to very little. The Pentax model is heavier and exhibits no lens creep (if you care; I don't). The Pentax auto focus is very quiet. The Pentax lens focuses about as well as the Tamron. None of this is enough to make me feel good about paying $300 more for the Pentax lens. The Sigma 18-250 equivalent at $350 or the Tamron 18-200 at $199 will give similar quality photos. So, it's as good a lens as the other major makers but I don't think it's worth paying the extra money for something that's only as good as something that cost considerably less. I'm considering a return.
5 of 5 people found the following review helpful
I love it! 19 Mar 2013
By Francesco Tedeschi - Published on
Verified Purchase
It is exactly what I was looking for, THE zoom! With it I am no more in the need to change lenses and can take only the camera with me in my excursions, very confortable ...and no risk to let the dust enter the camera.
I read on forums this zoom isn't of a great quality...I do not agree, I've found it good and accurate , maybe it isn't the top, anyway it is a "good choice" considering its focal lenght.
The only negative point is the price, anyway on Amazon is the lowest I've found and considering the exchange rate (I'm in Europe and pay in Euro) it is "good enough" and I have no regrets at all.
3 of 3 people found the following review helpful
This is my GO-TO travel lens...Excellent 17 April 2014
By R. Ross - Published on
Verified Purchase
My spouse and I do extensive world travel...Africa, Antarctica, Galapagos, Nepal, Vietnam, etc and need a lens with fairly good sharpness and very good zoom range. When traveling in Africa, or where-ever, we find that we have seconds to grab the best shot before it disappears. We're constantly on the go, no sitting in a blind waiting for animals...or street scenes. Changing lenses is a luxury we have to use sparingly for special shooting situations only. For example I have a 12-24mm for inside shooting in confined spaces...caves, tunnels and churches.

Thus, having an extreme zoom range like this lens has is a MAJOR it covers the historic 35mm film range from 28mm wide angle to 400mm telephoto all in one very compact and lightweight lens. We also shoot from extreme-darkness night scenes to bright snow and find the f/stop range of the lens to be just fine...all hand held. The Pentax's in-body image stabilization helps with this. I also have my Pentax K-5 camera body set at a default ASA 1600 and normally use a standard aperture of f/11 with the very high shutter speeds. My images are all over the focal length range with many over 200 mm. I also use the lens in place of a pair of binoculars when scanning for animals.

Another very nice thing about the lens is its extremely close focusing 20" at 270mm. Combined with the high shutter speeds I use, it is great for shooting butterflies and insects on blooms and stopping their action.

Before buying this new lens, I used the Pentax 18-250 lens for a few years. The two are very similar (nearly identical in size, f/stops, sharpness and focal length range). My spouse still has the Pentax 18-250mm while I'm shooting with the new Pentax real discernible difference in our photos. The ultrasonic focusing (SDM) is a bit quieter, but no big deal...about the same focusing speed.

BOTTOM LINE...I highly recommend this lens to those with shooting demands like ours...I have a dozen Pentax lenses for the camera. This is the lens that I KEEP on the's the lens that will be ON it on any trip. It's a huge advantage over my old film camera lenses...and a huge advantage over what's available for full-frame digital camera bodies.
3 of 3 people found the following review helpful
Great Lens, everything I hoped for. 6 Jan 2014
By M. Molenaar - Published on
Verified Purchase
When this lens first hit the market in the fall of 2012 I was stunned by the price ($995). Last October while browsing I saw it had come down about 300 bucks, and I decided to go for it.
I was working with the Pentax 55-300 lens, loving the optical quality of this glass, and I was worried to loose that quality with this new lens. I did not know what to expect since this lens is actually built by Tamron for Pentax. But after the lens arrived I was pleasantly surprised. I took about 20 shots at different focal lengths comparing this new lens with my old one, and I can not find differences in optical quality. Because I gained the 18 to 55 mm range on this lens I no longer need to change lenses for 95% of my photography. I keep the 55-300 in the case for the wildlife trips.
I definitely want to give this lens all 5 stars, for me it works great, the focus is super quiet, and works good, even at 270 mm! The lens is not the cheapest by any means, but I am glad I acquired it. I can now go on trips without changing my lenses every hour!!
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