Sigma Zoom Wide Angle-Telephoto 28-70mm f/2.8 (D) EX DG Autofocus Lens for Sony Alpha & Minolta Maxxum Series
- No Longer Available
The Sigma 28-70mm f/2.8 EX DG lens is a compact and lightweight constant f/2.8 aperture zoom lens that is optimized for digital SLR cameras, but can also be used with film SLR cameras. The 28-70mm zoom range makes this lens the ideal choice as a standard zoom lens for photojournalism or general photography.
The lens is specially optimized for digital SLR cameras, and Super Multi Coating gives superb color performance while cutting down flare and ghost. Two SLD elements and four aspherical lenses provide the ultimate correction against distortion as well as all types of aberration, especially spherical aberration. Its advanced optical design ensures high performance throughout the entire zoom range.
- Lens focusing ring does not move during autofocus, making for easy handholding
- Super Multi Layer (SML) coating reduces ghost and flare
- Two pieces of Special Low Dispersion (SLD) elements and four aspherical lenses provide high-quality images throughout the entire zoom range
- Minimum focusing distance of 13" (33 cm) at all focal lengths
- As part of the DG line, this lens is optimized for digital cameras
| Filter Size | 67mm |
| f/Stop Range | 2.8-22 |
| Minimum Focus Distance | 13" (33 cm) |
| Magnification | 1:4.4 |
| Zoom/Focus Control | Two-touch |
| Angle of View | 75 - 34° |
| Groups/Elements | 12/14 |
| Length | 3.4" (87mm) |
| Maximum Diameter | 2.9" (74mm) |
| Weight | 1.1 lb (510 g) |
REVIEW SNAPSHOT®
by PowerReviews(based on 6 reviews)
Ratings Distribution
83%
of respondents would recommend this to a friend.
Pros
- Fast / accurate auto-focus (7)
- Durable (4)
- Strong construction (4)
- Easily interchangeable (3)
Cons
Best Uses
- General purpose (3)
REVIEWS
Reviewed by 6 customers
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Displaying reviews 1-6
Pros
- Durable
- Easily Interchangeable
- Quick Focus
- Sharp Focus
Cons
- I have not found any cons
Best Uses
- Landscape/Scenery
- Night Photography
Comments about Sigma 28-70mm f/2.8 (D) EX DG Autofocus Lens:
I have not had a chance to use the lens. Next Monday Night I will be using the lens to photograph a dress rehearsal of a musical at the University.
Pros
- Beautfiul finish
- Quick Focus
- Strong Construction
- Well-balanced
Cons
Best Uses
- Travel
- Weddings/Events
Comments about Sigma 28-70mm f/2.8 (D) EX DG Autofocus Lens:
The fit and finish are excellent, as they are with Sigma lenses in general, and it balances well on my A850 body. Focus is fast. The only negative aspect is that my images are not as sharp as I had expected them to be. At f2.8 you would have to be doing pictorialist photography. It is sharpest in the middle of the zoom range, as is usual with zooms, but I found that I had to stop down to f8 to get usable sharpness. Stopping down further degraded the image.
Pros
- Consistent Output
- Durable
- Easily Interchangeable
- Quick Focus
- Sharp Focus
- Strong Construction
Cons
Best Uses
- General Use
- Landscape Photography
Comments about Sigma 28-70mm f/2.8 (D) EX DG Autofocus Lens:
For the price this is a great lens. Using on a full frame Sony a850 I compaired it to a Sony lens and found the Sigma to be as good or better with image quality. Fast and sharp focusing in all ranges.
Pros
- Durable
- Easily Interchangeable
- Sharp Focus
- Strong Construction
Cons
- Heavy
- Noisy focusing
Best Uses
- General Use
- Night Photography
- Sports/Action
Comments about Sigma 28-70mm f/2.8 (D) EX DG Autofocus Lens:
great for general phototography
large apature great in low light conditions
takes clear photos
not recomended for traveling a bit too heavy
Pros
- Consistent Output
- Durable
- Quick Focus
- Rugged
- Strong Construction
Cons
Best Uses
- General Use
- Landscape Photography
Comments about Sigma 28-70mm f/2.8 (D) EX DG Autofocus Lens:
Purchased the Sigma 28-70mm f2.8 lens to upgrade from the standard Sony kit lens that ships with Alpha DSLRs. Have been very pleased with the image and build quality of this lens, excellent value for the price. Allows the Sony Alpha to reach its full potential.
Decided on this lens after seeing the photos that the 'Sigma 28-70mm f2.8' group at Flickr had posted. Chose this zoom lens over the Sigma 30mm f1.4 lens (which seems to be the other major contender for a high optical quality lens for the Alpha) due to the versatility that the zoom focal lengths afford.
Would definitely purchase again, this is my first Sigma lens and am impressed with the overall construction and quality of it (definitely not a plastic toy like so much of what is manufactured today).
Pros
- F28
- Fast af
- Lens lock
- Solid build
Cons
- Odd flare issue
Best Uses
- Landscape
- Low light
- Portraits
- Walking around
Comments about Sigma 28-70mm f/2.8 (D) EX DG Autofocus Lens:
soft when wide open at 28mm. but at 3 stops down it is very sharp.
f2.8 all the way at f5.6 razor sharp.
cheap, fast auto focus.
will recommend it to any one
Displaying reviews 1-6
Filters & Filter Kits
- Price: $34.95
- GBP 22.09
- Price: $40.53
- GBP 25.62
Care & Cleaning
- Price: $4.99
- GBP 3.15
What's in the Box
- Front & Rear Lens Caps
- Case
- Lens Hood
- 1-Year Worldwide Warranty + 3-Year Extended USA Warranty
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