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Sigma 28-105mm F3.8-5.6 UC III Aspherical IF 35mm Zoom

4 star rating
                      4 / 5 (11 Reviews)
MSRP : $109.00

  • Camera Format35 mm SLR
    Lens TypeZoom Lens
    Focal Length28mm - 105mm
    Lens Max Aperturef/3.8-f/5.6
    Min Aperturef/32
    Focus TypeAutofocus
    Macro LensWithout Macro Lens
    Closest Focusing Distance19.7 in
    Picture Angle23.3 - 75.4 degrees
    Attachment / Filter Size62 mm
    Groups / Elements13 Elements in 12 Groups
    Diameter2.8 in
    Length2.9 in
    Weight9.7 oz
    Product ID21279511

Product Description

This new lens builds upon its predecessors (models UC and UC II), offering the same focal length range (28mm to 105mm), and focusing range (19.7 inches to infinity, at all zoom settings) and providing a slightly larger effective aperture (f/3.8-5.6), while reducing the weight to less than 10 oz. A new lens design, including the use of aspherical optics and new mechanical construction, are credited with the reduction in weight, while maintaining the high level of performance for which these lenses are known. This model retains the internal focusing system and a non-rotating front barrel for convenient filter use.

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Reviews 1 - 5 (11 Reviews Total) | Next 15

User Reviews

Overall Rating:4
Value Rating:5
Submitted by Helgi Tryggvason a Intermediate

Date Reviewed: December 9, 2008

Strengths:    Sharp and delivers consistent and reliable results

Weaknesses:    Feels weak and the lens mount is made of plastic which has once broken and had to be replaced.

Bottom Line:   
I have several Minolta AF cameras and over 10 lenses for them and this one has been the work horse since the year 2000. I have been using it very much and it has constantly delivered fine results for my slides. Some of the pictures I have made pretty large and they are very sharp.

Expand full review >>

Duration Product Used:   11-20 years

Price Paid:    $250.00

Similar Products Used:   Sigma 28-80mm AF macro, Minolta 28-135mm AF, Minolta 28-80mm AF D, Sigma 24-70mm f/2.8 AF

Type of photography:   Outdoor

Overall Rating:5
Value Rating:5
Submitted by shina1 a Intermediate

Date Reviewed: March 21, 2005

Strengths:    sharp , bright and contrasty
nice range for portraits
lens barrel does not rotate
not bad of a speed for AF
feels solid
hood provided petal type

Weaknesses:    when resting (not metering or focusing, apperture stopped to f4 automatically but not affected when focusing and taking the shot.
camera shows f4 even when aperture is wide open (3.8)not a real issue since images taken usually at f8 for maximum sharpness

Bottom Line:   
a well constructed lens. rugged. smooth zoom and the internal focusing is a value.
images are sharp. but notice 30d users. the aperture shows f4 on the lcd but it is actually 3.8 . for some reason its not showinh 3.8.
when not metering , the aperture closes down to f4 which is not an issue since we meter and focus before we take the shot- tan, the aperture opens up to the widest.
not a big issue overall since f3.8 is allowed. sharpest images are usually at f8 so its not an issue at all

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Duration Product Used:   2-5 years

Price Paid:    $170.00

Purchased At:   henrys

Similar Products Used:   canon 18-55 ef-s
sigma 70-300mm f4.0
canon ef 50mm 1.8

Type of photography:   People

Overall Rating:4
Value Rating:5
Submitted by lukaszb a Intermediate

Date Reviewed: April 10, 2004

Strengths:    - comes with a hood
- price
- decent built
- light
- sharp photos

Weaknesses:    - wish aperture was at f/2.8 ;)
- focusing a bit slow

Bottom Line:   
You might be suprised by this lens and how it performs taking the price into account. Sure, it's cheap but regardless it takes sharp and good photos. The major weakness is the focusing system. It is slow and rather loud, but unlike Canons you're not spending couple hundred.

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Duration Product Used:   2-5 years

Price Paid:    $119.00

Purchased At:   Central Camera

Type of photography:   Outdoor

Overall Rating:2
Value Rating:2
Submitted by Stephen Louw a Intermediate

Date Reviewed: April 3, 2004

Strengths:    Cheap

Weaknesses:    Not fully compatable with latest Canon EOS camera's
Terrible Vignetting

Bottom Line:   
I bought this with in kit form with an Canon EOS 30 (Elan 7) and have been dissapointed ever since. Firstly, its not fully compatable with the EOS 30/33, although Sigma will fix this for you if you send the lens in (at your cost) for repair. Secondly, even given the price, the optics are terrible. Its consistantly soft, with terrible vignetting, and not at all sharp. Kit lenses are never much to write home about, but this is an exceptionally poor lens.

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Duration Product Used:   6-10 years

Purchased At:   Singapore

Similar Products Used:   Canon EF 100mm f/2.8 USM Macro

Type of photography:   Outdoor

Overall Rating:5
Value Rating:5
Submitted by Dek Tinawin a Intermediate from Manila, Philippines

Date Reviewed: October 7, 2003

Strengths:    Cheap
Aspherical glass
Internal Focusing
Compact and lightweight
Stable construction

Weaknesses:    Stiff zoom at first
Counter-clockwise zooming

Bottom Line:   
I was in immediate need of a medium-range telezoom lens. I was currently using the 28-80G lens included in my Nikon N65 kit and was not confident with using it. The zoom range is a bit short and the rotating focus was irritating. It also kinda felt too plastic.

I wanted to have an all purpose lens so I chose to look for a 28-105mm range lens. After comparing all lenses in this category, I came down to choosing the Sigma. First, it was d*** cheap. For $109, I don't think you can find any other lens with Aspherical glass and Internal Focusing. My first test of this lens was with two events, and boy was I surprised with the results! My pictures were so clear and the colors were great. The lens was lighter than its Nikkor counterpart but still it has a stable built. The hood is perfect and makes you look more professional. My only caveat with this lens is that it zooms in the counter-clockwise as compared to my previous Nikkor that zooms clockwise. I still need to get used to this. The zoom was a bit stiff at first but with frequent use it becomes smoother to rotate. I think this is the best value lens around and I'm sure this is the lens that would last me for years.

Expand full review >>

Duration Product Used:   0-1 years

Price Paid:    $109.00

Purchased At:   B&H Photo

Similar Products Used:   Nikkor 28-80mm f/3.3-5.6G
KodakGear 80-210mm f/4.5-5.6

Type of photography:   Other

Reviews 1 - 5 (11 Reviews Total) | Next 15

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