Sigma 70-300mm f/4-5.6 DG Macro Telephoto Zoom Lens for Pentax and Samsung SLR Cameras | 
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| Brand: Sigma
Category: Photography
List Price: $149.00
Buy New: $129.95
You Save: $19.05 (13%)
New (4) from $129.95
Rating:  9 reviews
Media: Electronics
Fragile: No
Batteries Included: No
Optical Zoom: 4.3
Maximum Focal Length: 300
Minimum Focal Length: 70
Shipping Weight (lbs): 1.6
Dimensions (in): 19.7 x 19.7 x 19.7
MPN: B000B8T6E2
Model: B000B8T6E2
UPC: 085126509453
EAN: 0085126509453
ASIN: B000B8T6E2
Availability: Usually ships in 1-2 business days
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| Features:
| • | Optimized for use with digital SLR cameras | | • | Multi-layer lens coating and lens design reduces flare and ghosting | | • | Minimum focusing distance is 59 inches at all zoom settings | | • | Features 14 lens elements in 10 Groups | | • | High-performance lens ideal for portraits, sports photography, nature photography |
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| Editorial Reviews:
Amazon.com Product Description
The Sigma 70-300mm f4-5.6 DG Macro Lens for Pentax Digital SLR Cameras is a telephoto lens that offers excellent cost performance and is optimized for use with digital SLR cameras. Capable of macro photography, this lens has a 1:2 maximum close-up magnification at the 300 millimeter focal length. It's the ideal high performance lens for portraits, sports photography, nature photography, and other types of photography that frequently use the telephoto range. The lens features a switch for changeover to macro photography at focal lengths between 200 millimeters and 300 millimeters, with a maximum close-up magnification from 1:2.9 to 1:2. The multi-layer lens coating and lens design reduce flare and ghosting, which is a common problem with digital cameras, and it also creates an optimum color balance through the entire zoom range. The minimum focusing distance is 59 inches at all zoom settings. The lens features a switch for changeover to macro photography at focal lengths between 200 millimeters and 300 millimeters with a maximum close-up magnification. Without changing the distance between camera and subject, you can change the shooting magnification.
Product Description
Capable of macro photography, this lens has a 1:2 maximum close-up magnification at the 300 mm focal length. It's the ideal high performance lens for portraits, sports photography, nature photography, and other types of photography that frequently use the telephoto range. It also has a switch for changeover to macro photography at focal lengths between 200mm and 300mm with a maximum close-up magnification from 1:2.9 to 1:2.SLD (Special Low Dispersion) glass in this lens provides excellent correction of chromatic aberration.
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| Customer Reviews: Read 4 more reviews...
 Holy cow, how did this one sneak past me for so long? August 22, 2008
Christer Medin (Atlanta, GA USA)
I love good lenses.
And I never thought something this cheap could be this good.
Was looking for a cheap tele zoom to use for a trip overseas, and found this one for next to nothing. I figured, hey, it's 70-300, it'll complement the 16-45 I have and probably be good enough for 4x6 prints. Boy, was I surprised. Even wide open at 300mm this thing puts out some excellent shots (I wouldn't think twice about doing an 8x10 or even 11x14 from the results), and it handles macro on top of that. Did a bunch of macro shots at 300mm around f/8 and I couldn't ask for anything better -- the colors, contrast, everything is just... really damn good.
Kudos to Sigma for putting out something this nice at such an affordable price. I hope a lot of people discover this lens and put it to good use, because as long as you don't need the speed of more expensive glass this is it.
 Sigma 70-300mm f/4-5.6 DG for Pentax K10d May 5, 2008
Franc-Eric (Blacksburg, VA USA)
2 out of 2 found this review helpful
Purchased this zoom lens to accompany what I was getting in Pentax K10D "kit". For the price is a really good lens though I've had some issues with autofocus in "low" light (i.e. twilight). I haven't tried the macro function yet. When fully extended this lens is very long.
As noted in other reviews, the zoom action is stiff. Hopefully this will resolve over time. One big pet peeve is the lens screw-on shade/hood. It's just too big and makes packing the lens, in a camera bag, a pain since you either (1) don't use the shade/hood ever (2) get a huge camera bag so you can leave it on or (3) take if off everytime. I've found you can attach it "upside down" with the shade/hood facing inwards for storage. This save space somewhat.
More than what you pay for March 11, 2008
David Lesieur (Lutz, FL United States)
5 out of 5 found this review helpful
I recently purchased this lens from Amazon for use on my Pentax K100D Super. The optical quality and sharpness of the images taken with this lens far excedes its cost. While the build quality is a bit "plasticy" feeling, and the zoom ring is not that smooth, it produces very good results overall. Be careful to first read the instructions on use of the macro switch. It will not disengage unless you set the camera to manual focus and turn the focus ring. For nature photography in daylight this is a very good choice for those artists on a budget.
Sigma 70-300mm telephoto lens for Pentax February 23, 2008
A. Ellis (Alexandria, VA)
3 out of 3 found this review helpful
For the money, this is a great lens. Sharp, reasonably fast and easy to use. I love the 300mm aspect, although at that length, you'd better use a tripod or a fast shutter speed. My Pentax body has antishake technology, which helps, but don't try to get great images hand holding the camera at 300mm in low light conditions.
More to come January 4, 2008
J. R. O. Neal (Denver)
1 out of 1 found this review helpful
Bought this lens to go with my new Samsung GX-10. Haven't used it much, but have used it enough to know it's a great lens for the money. Images are clear at all focal lengths, very little vignetting that can be easily corrected. Good build quality. You can't go wrong with this one.
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