Sigma
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Sigma 17-70mm f/2.8-4 DC Macro HSM Lens for Pentax Digital SLR Cameras - USA Warranty - BUNDLE - with Pro Optic 72mm Digital Essentials Filter Kit, Flashpoint CapKeeper CK2 Lens Cap Leash & Adorama 1836A Cleaning Kit for Optics and Cameras

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$399.00
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Product Highlights

  • 17-70mm Macro SLR Lens
  • 3-Piece Neutral Density Filter Kit
  • Universal Lens Cap Tether
  • Cleaning Kit
Sigma 17-70mm: Picture 1 regular $399.00

About Sigma 17-70mm

Save $52.89 when you buy this Sigma 17-70mm. This Value Bundle comes with a Adorama Cleaning Kit, ProOptic Digital Essentials 72mm, ProOptic Universal Lens Cap Tether and a Sigma 17-70mm and Shipping is free!

SIGMA 17-70mm F2.8-4 DC MACRO OS HSM
The most important features for a standard zoom lens for digital single lens reflex camera is to achieve high image quality, to meet the needs in various occasions and to be handy and compact.

The SIGMA 17-70mm F2.8-4 DC MACRO OS HSM will clear away all the general concerns, such as a short minimum focusing distance, not a long enough focal length for telephoto shooting and a small aperture value. Mainly used for general-purpose photography, this everyday lens covers a range equivalent to 25.5-105mm on a 35mm camera. It's surprisingly compact in size for a large-aperture lens that opens up to F2.8. Great for treasured snapshots of travel or family occasions, it also handles shots that are a little bit more creative. Designed to be the kind of lens you carry around with you all the time, it delivers simplicity and is so user-friendly it's sure to satisfy even the most demanding of users.

Contemporary line can handle all sorts of photo opportunities
Sigma is organizing all its interchangeable lenses into three product lines; Contemporary, Art and Sports. Featuring the very latest technology, and combining optical performance with compactness, the Contemporary line covers a wide range of needs. Incorporating the very latest technology in these lenses, Sigma has solved the difficult problem of keeping size and weight low without compromising optical performance. The SIGMA 17-70mm F2.8-4 DC MACRO OS HSM is the first product from the Contemporary line. Featuring a wide zoom range, the lens has a focal range equivalent to 25.5-105mm on a 35mm lens.

Excellent for macro photography
This lens' minimum focusing distance is 22cm and the maximum magnification ratio is 1:2.8. At 70mm, the working distance becomes 5.52cm. When it comes to telephoto, it can shoot pictures with a similar sensation to a macro lens. Also, without the need to change the lens, it enables photographers to take a close up pictures of subjects such as jewelry and flowers. In order to secure a clear field of view, the design of this lens is very thorough, even down to the precise position of the engraved letters on the lens.

30% Smaller Than Conventional Models
For a which is used lens used in everyday situations, the small size makes a big difference. By incorporating a smaller OS unit and optimizing the structure and power distribution of optical elements, the lens barrel has now become more compact. In order to ensure high accuracy of th e product, the new compound material TSC (Thermally Stable Composite), which has high affinity to metal parts, is introduced for the lens barrel. It results in better durability of the parts and smaller zoom rings and scale rings. The dimension of this lens is 30% smaller than our conventional models.

Superior Image Quality Throughout The Entire Zoom Range
This lens incorporates 2 FLD ("F" Low Dispersion) glass elements, which have performance equal to fluorite, 1 SLD (Special Low Dispersion) glass element and 3 aspherical glass lenses including double sided aspherical lens. By optimizing the power alignment of the lens, both chromatic aberration of magnification and axial chromatic aberration have been corrected. From infinity to macro, it achieves superior image quality through entire zoom range. This lens offers extraordinary expressive power and is capable of surpassing the requirement of the rigorous checking process of our new MTF measuring system

Large maximum aperture of F2.8
The aperture value is F2.8 at the wide end (17mm), and is F4 at the telephoto end (70mm). The bright viewfinder aids focusing and composition of images. The fast apertures also offer useful functions such as fast shutter speeds to prevent an object from being blurred and ensuring a smooth bokeh in the background.

Flare and ghosting conscious design
In order to achieve high rendering on this flagship lens, flare and ghosting were thoroughly measured from an early stage to establish an optical design which is resistant to strong incident light such as backlight. The Super Multi-Layer Coating reduces flare and ghosting and provides sharp and high contrast images even in backlit conditions.

Incorporating Rounded Diaphragm
The 7 blade-rounded diaphragm creates an attractive blur to the out-of-focus areas of the image

Hyper Sonic Motor
The HSM (Hyper Sonic Motor) ensures high speed and quiet AF as well as full-time manual focus override by rotation of the focus ring. With the enhanced AF algorithm, smoother AF is achieved.

Brass made bayonet mount
This lens incorporates a brass made bayonet mount which has both high accuracy and durability. A special treatment to reinforce its strength is applied to the surface giving it greater strength and making it highly resistant to long-term use.

Ease of use
The new product lines incorporate rubber for the attachment part of the provided lens hood. For better usability, the design of the lens cap and AF / MF changeover switch has been improved.

Newly developed "USB DOCK" exclusively for new product lines
Based on these new lines, we have developed special software (SIGMA OptimizationPro) that can update the lens firmware and adjust parameters such as focus.

Evaluation with Sigma's own MTF measuring system "A1"
We used to measure lens performance with MTF measuring system using conventional sensors. However, we've now developed our own proprietary MTF (modulation transfer function) measuring system (A1) using 46-megapixel Foveon direct image sensors. Even previously undetectable high-frequency details are now within the scope of our quality control inspections. The SIGMA 17-70mm F2.8-4 DC MACRO OS HSM will all be checked using this "A1" before they are shipped.

"Made in Japan"
All Sigma's manufacturing - right down to molds and parts - is carried out under an integrated production system, entirely in Japan. We are now one of the very few manufacturers whose products are solely "made in Japan". We like to think our products are somehow imbued with the essence of our homeland, blessed as it is with clean air and water, and focused, hard-working people. We pride ourselves on the authentic quality of Sigma products, born of a marriage between highly attuned expertise and intelligent, advanced technology. Our sophisticated products have satisfied professionals and lovers of photography all over the world, because our manufacturing is based on genuine craftsmanship, underpinned by the passion and pride of our experts.

Sigma 17-70mm Features

  • Adorama Camera Lens Valuable Bundle. Kit Includes.
  • Sigma 17-70mm f2.8-4 DC HSM Macro Lens f/Pentax SLR's #884109, Lens Hood, Front and Rear Lens Caps, Sigma 1 Year North and South America Limited Warranty (3 Year USA Extended Warranty for a Total of 4 Years from Date of Purchase).
  • 72mm Digital Essentials Filter Kit, with Ultra Violet (UV), Circular Polarizer and Neutral Density 2 (ND2) Filters, with Pouch.
  • Universal Lens Cap Tether.
  • Adorama Cleaning Kit for Optics and Cameras. Kit Includes: Spray Cleaning Fluid, Cotton Swabs, Lens Cloth, 3 Sheets Universal LCD Screen Protectors, Squeege Card, Lipstick Brush, Blower Brush, Lens Tissue, New Deluxe Storage Bag.

Sigma 17-70mm Specifications

Construction
16 Elements in 14 Groups
Angle of view
79.2°-22.9°
F stop range
Minimum Aperture :F22
Closest Focusing Distance
22cm (8.7")
Maximum Magnification
1:2.8
Filter Size
72mm
Dimensions (Length x Diameter)
Length 82.0mm (3.2") x Diameter 79mm (3.1")
Weight
464gr / 16.4oz
Mfr #
884109 K
SKU
SG1770NPXAFK

Sigma 17-70mm Reviews Powered by TurnTo®

Review Snapshot®

 
4.6

(based on 70 reviews)

81%

of respondents would recommend this to a friend.

Ratings Distribution

  • 5 Stars

     

    (47)

  • 4 Stars

     

    (20)

  • 3 Stars

     

    (0)

  • 2 Stars

     

    (3)

  • 1 Stars

     

    (0)

Reviewed by 70 customers

 
5.0

Perfect Walk-Around Lens

By

I have been looking at this lens for a while and when I got an unexpected check in the mail from my previous employer for vacation time, I had to pull the trigger and get it. Not disappointed - I love it. Sharp, great color. Love the macro. Great lens for my Canon 60D.

(1 of 1 customers found this review helpful)

 
5.0

Great lens from Sigma

By

Bought mainly for the macro capability. Performs flawless for macro. Still can shoot landscape and other thanks to the zoom. Not too heavy, smooth operation.

(1 of 1 customers found this review helpful)

 
4.0

Nice Little Lens

By

I shoot a lot at the Zoo and sporting events and this lens gives me a decent zoom on a crop sensor Canon 70D. Haven't really found a downside yet.

(1 of 1 customers found this review helpful)

 
5.0

Love this lens!

By

Fantastic Lens!The image quality is superb and the focal range is perfect for cropped sensors, going from wide-angle group and landscape shots to portraits. It focuses well and quick, however it is very noisy for continuous video autofocus and I wouldn't recommend this lens if used mostly for video- Canon STM lenses are much better for quiet video autofocus (however the current STM zoom lenses don't have good image quality, especially in low light, so it's a trade-off). However, if you do manual focusing when shooting video, then this lens perfect. Another plus is the lens's weight and size- it's light and small for a lens with this zoom range and image quality capabilities.

 
5.0

Great focal length and close-focus

By

People have various opinions about "walk-around" lenses. This one is it :-) Just wide enough, just long enough, and focuses closely for most casual random outings (walk-around). Good speed and image quality with silent focusing at a reasonable price. What's not to like?

 
5.0

Intermediate range lens

By

It has been used mostly for videos. The HSM motor for video is excellent. There is no noise when lens autofocuses. I have several Sigma HSM lenses and all work as well or better than advertised. I've used them on commercial video shoots and they have been excellent.

 
5.0

This is the lens I was looking for

By

I was looking for the fast lens to use in my travels. I believe I found it. With maximum aperture of 2.8, high speed AF, image stabilization, it's excellent for landscape and architecture shots, it serves as a macro lens too. And it's well built. I'm highly satisfied with this purchase.

 
2.0

Can't Recomend This Lens

By

Buying brands like Sigma, Tokina, and Tamron can result in a ~70/30 bet that you will get a good copy of the lens. The Sigma 17-70 (for Nikon) I bought had some major focus issues. It would constantly hunt for focus and about 8 of 10 photos were nasty blurry. The issue would increase towards the 40mm and higher. I called Sigma and the guy basically sounded like this happens all the time and suggested I send it back and try another one. I sent it back to Adorama and Adorama was great and very prompt to refund. A+++++ to Adorama. Adorama is the best!

 
5.0

great so far

By

These are my first impressions. Great lens for the price, seems solid and well built. fast quiet autofocus and plenty sharp. I Bought this lens to replace a Pentex 17-70 which died on me and this lens beats that lens in all categories

 
5.0

This lens is sharp

By

I use this lens as my everyday lens now. Yes, I have others. The sharpness of the photos from this lens is on par with some L lens. One little problem with this lens is at 17mm and 2.8 the corners are a little soft. Go one step down and it is perfect. I would and have told others about this lens.

Q&A

Questions & Answers Powered by TurnTo®

Questions about this item:

Shopper  Will this Lens work on a rumored Pentax full frame body? thanks
JUSTIN D  I am sure you'll be able to attach the lens and take pictures with it on the theoretical Pentax FF camera, but I am sure that is not what you meant. If you look at glass on the end that attaches to the lens ("image circle"), you'll see that the circumference is the same width as an APS-C sensor. On a full-frame lens (such as one of the old M 35mm lenses I have lying around), the image circle is 35mm or so in diameter. What that means is while this lens will function with a FF camera, you will encounter severe vignetting at the corners because the image circle does not provide light over the whole area of the sensor. If you are concerned with forward compatibility with a possible FF camera, I would suggest not buying anything other than FA or older lenses. Those are designed to work with 35mm cameras (and in the case of the FA, APS-C digital as well), so they should work well with a FF camera.
Shopper  Will this Lens work on a rumored Pentax full frame body? thanks
JUSTIN D  I am sure you'll be able to attach the lens and take pictures with it on the theoretical Pentax FF camera, but I am sure that is not what you meant. If you look at glass on the end that attaches to the lens ("image circle"), you'll see that the circumference is the same width as an APS-C sensor. On a full-frame lens (such as one of the old M 35mm lenses I have lying around), the image circle is 35mm or so in diameter. What that means is while this lens will function with a FF camera, you will encounter severe vignetting at the corners because the image circle does not provide light over the whole area of the sensor. If you are concerned with forward compatibility with a possible FF camera, I would suggest not buying anything other than FA or older lenses. Those are designed to work with 35mm cameras (and in the case of the FA, APS-C digital as well), so they should work well with a FF camera.
Shopper  Will this Lens work on a rumored Pentax full frame body? thanks
JUSTIN D  I am sure you'll be able to attach the lens and take pictures with it on the theoretical Pentax FF camera, but I am sure that is not what you meant. If you look at glass on the end that attaches to the lens ("image circle"), you'll see that the circumference is the same width as an APS-C sensor. On a full-frame lens (such as one of the old M 35mm lenses I have lying around), the image circle is 35mm or so in diameter. What that means is while this lens will function with a FF camera, you will encounter severe vignetting at the corners because the image circle does not provide light over the whole area of the sensor. If you are concerned with forward compatibility with a possible FF camera, I would suggest not buying anything other than FA or older lenses. Those are designed to work with 35mm cameras (and in the case of the FA, APS-C digital as well), so they should work well with a FF camera.
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