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Sigma 28-105mm f/2.8-4.0 Aspherical 35mm Zoom

3.66 star rating
                      3.66 / 5 (56 Reviews)
MSRP : $240.00

  • Camera Format35 mm SLR
    Lens TypeZoom Lens
    Focal Length28mm - 105mm
    Lens Max Aperturef/2.8-f/4
    Min Aperturef/32
    Focus TypeAutofocus
    Macro LensWithout Macro Lens
    Closest Focusing Distance19.7 in
    Picture Angle23.3 - 75.4 degrees
    Attachment / Filter Size72 mm
    Groups / Elements12 Elements in 11 Groups
    Diameter3 in
    Length3.1 in
    Weight14.3 oz
    Product ID20724298

Product Description

This f/2.8 lens sets a new standard for all zooms. Its unusually large maximum aperture is made possible by an extra-wide aspherical lens to provide higher optical performance in a number of ways … including effective anti-flare features and crisp-to-the-edge images. An internal focusing mechanism allows the front of the lens to remain stationary and to easily accommodate specialty filters, such as polarizing filters.

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Reviews 1 - 5 (56 Reviews Total) | Next 15

User Reviews

Overall Rating:5
Value Rating:5
Submitted by Olympus Man a Expert

Date Reviewed: October 10, 2010

Strengths:    V. sharp with f5.6 and smaller.
Balanced design/ good weight.
Good bargain.

Weaknesses:    Cant think of any weaknesses

Bottom Line:   
I've found this lense to be very useful and reasonably sharp. I think it's even better than the 24-120mm that I have for my Nikon. It focuses quick enough for my everyday photographs I would have no problem recommending this to others. It really sharpens up at f5.6 and stays that way to f22.

It has a nice build and I think it will probably outlive me.
It's balanced on the camera and is easy to focus manually.
72mm filter is large but not too inconvenient.
I shoot most of my pictures at f16-22 and I get high quality results with this Sigma.

Expand full review >>

Duration Product Used:   21+ years

Price Paid:    $149.00

Purchased At:   Ebay

Similar Products Used:   Nikon 24-120mm, Sigma 28-105mm, Canon 35-105mm FD,

Type of photography:   Outdoor

Overall Rating:4
Value Rating:5
Submitted by Claudius V a Beginner

Date Reviewed: January 16, 2010

Strengths:    Good DOP and colour reproduction. Worth its price, cant ask for more.

Weaknesses:    Slow autofocus

Bottom Line:   
I currently use Sigma 28-105 D along with Nikon F75. Opted for this instead of Nikkor 28-70 as recommended by my Photography Trainer. As stated by other reviews, the autofocus is definitely slow. I have got some good DOPs especially on Flowers. Colour reproduction is good. Check out landscape shots taken on this lens in the below flickr links and give me your valuable feedback.




Not sure if I can use this on the latest Nikon DSLRs like D3000, D5000, D90.

Expand full review >>

Duration Product Used:   2-5 years

Price Paid:    $200.00

Purchased At:   R K Photoguide Banga

Type of photography:   Outdoor

Overall Rating:4
Value Rating:5
Submitted by tfung a Expert

Date Reviewed: May 26, 2006

Strengths:    Cheap and fastf/2.8mm at 28mm

Weaknesses:    The aperture ring is too thin. Construction can be better if price is higher for this lens.

Bottom Line:   
The lens is not soft at all. It is actually pretty sharp. Make sure shutter is fast enough for hand held and the lens is focused on what you are shooting. Otherwise, the picture is not going to be sharp.

I bought it when it first came out due to the large f/2.8 aperture @ 28mm. I have been using this lens for more than 5 years.

I like using this lens very much due to it fast aparture and not too heavy.
Sigma has discontinued making this exact lens and replace it with no aperture ring.

Expand full review >>

Duration Product Used:   21+ years

Price Paid:    $199.00

Purchased At:   Cameraworld

Type of photography:   People

Overall Rating:4
Value Rating:5
Submitted by lapratho a Expert

Date Reviewed: February 28, 2006

Strengths:    What is in focus with this lens is very sharp! And at about f5.6 this lens is getting deeper and very crisp indeed! The whole thing also depends on distance. Read a book with a good DOF chapter, this is too much to write about here :)

FAST focusing in autofocus

I see no optical flaws to mention for a sub 2000 dollar piece. Nothing is perfect, and I am sure I can eventually find better, but this is one of the best lenses I have used.
Any geometry complaints would be nitpicking, as the wide end looks a little odd in any case, but for an APS sensor digital body that issue doesn't even arise, as the 28mm focal length translates to about a 42mm equivalent, a modest but still effective wide end, so any potential negligable distortions are nil.
For a film SLR or a full sized sensor cam the wide end would come to play much better of course. For wide angle shots I actually prefer a "funny" bulging psychedelic view, but this lens doesn't even deliver that. It's almost too d*mned straight for my taste (I'll learn to live with that...), so no worry about distortions.
As far as sharpness on the edges is concerned, I will have to report on that later after doing some more shooting, but so far not bad at all.

With my Pentax ist-DL I just made some shots in near darkness and the results blew me away. Very nice rendering,"bokeh" any way you want it, full subject isolation, or deep field, and the transition is nice looking.
And sharp - one needs to know what one is doing though ;)

This 28-105 is apparently not spec'd for digital, but works flawlessly with my Pentax ist-DL with the aperture ring in "auto". No complaints from me in digital operation!

Weaknesses:    And here comes the ONE snag I see with this lens, that will surprise many:
The autofocus shaft causes friction on a manual focus body..
The rapid action autofocus gear (FAST focusing in autofocus) with the short throw on the front ring also makes the focus ring nearly impossible to turn and control smoothly on my old Ricoh and Pentax manual focus bodies. With the ist-DL it is NO problem, as the "manual" focus setting retracts the camera's shaft and makes for a cavity on top of which the lens shaft turns freely, and manual focus is ok, even though touchy. Then again with the DL the autofocus is neat and works just dandy.

No weakness really, except two small accessories:
The hood is a bit tricky to attach, very tight and notchy and could use a little better finish - then again, it is a "proper" hood, I have fiddled with others just as bad, and once on ... who cares.
The K-Mount mount cover is a sheer nuissance though - will need filing and fitting or a replacement, as I do not want plastic chafings from a 5 cent lid to get on my D-SLR sensor when I take the lens out and mount it!
Then again - the lens was cheap enough, and I'd rather have them cut a corner on a lid than on the glass and lens body!

Bottom Line:   
I was skeptical, but for the price I figured I couldn't loose much on a reasonably fast zoom lens.

This is a first impression:

Right away:
This is NOT a soft lens, it is actually pretty sharp. I just played with this little marvel and made a few shots after taking it out of the box, and I think I know why people made the comments about this lens being soft.
Trust me, those soft shots are likely a victim of autofocus/bad-focus habits and not understanding depth of field.

At f2.8 ANY lens is liable to have a shallow depth of field. It is a most basic photographic concept, that the wider a lens is opened, the better it needs to be focused, and the shallower your DOF is, ie your model may end up with a sharp nose but mushy ears and hair that almost looks like it was shampooed, with nothing visible in a fuzzy mess all around ... well, come to think of it, that might be an award winning portrait ... never mind ...

Back to focus and sharpness:
The whole trick is this: focus! With modern SLRs this is a bit tricky - with the average tiny digital viewfinders one is more or less at the autofocus system's mercy with several models out there, and with the autofocus, less is more. Forget your 11 point overkill systems in 128 zones etc - just measure light on subject, hit AE lock to lock exposure, concentrate on pinning the subject center in spot focus mode, hold it, recompose, fire. Under 2 seconds and well worth it and beats fiddling with AF zone selections until the last snail has run over the finish line. Just stay in spot mode. Simple! That way you KNOW what you're focusing on and shooting, and results are almost guarranteed.
The technique is simple and can be much faster and more conveniently adjusted than fiddling with autofocus "intelligent" zones. Enough said.

Once I said no more film from here on - but then of course the full sized viewfinders of my old Ricoh gear will have me burn a roll now and then.
If you've never held an OLD Ricoh KR or Pentax metal body with their straight 1-1 views through a 55mm lens (keep both eyes open, and the viewfinder image is the same size as the naked eye's) you cannot appreciate this point.
Sooo ... this lens might also come in handy with my "vintage" manual focus KR-5 and KR-10 Super, if it werent for a fairly stiff focus action in manual, especially with the little snag I mention below, ie friction by the drive shaft on a strictly manual-focus body. Thathowever, is not a problem on an autofocus body!

So, if you're looking for a GREAT and fast lens for dim situations in those nightly showrooms and a range that makes it a near carry one for all occasions on an autofocus body on a budget, look no further, especially if you can snag this puppy at under $100 the way I did!

For a manual focus body, hand focusing could become a problem, but if you're handy like I, a little filing down of a critical spot on your camera mount will make the action a lot easier.

Considering the excellent optics with crisp and nicely conrollable definition good colors (more daytime shots are needed though for that to be 100% qualified, it's dark now and lamplight only), getting a zoom with f2.8 at 28mm through f3.5 in most of the midfield, and still a respectable f4.0 over about 70mm, and the low streetprice of well below 250 dollars, there is nothing to critique here in a bad way.

The Sigma 28-105 qualifies as a bargain of the year as far as I am concerned!

Expand full review >>

Duration Product Used:   21+ years

Price Paid:    $79.00

Purchased At:   Cameta Camera, eBay

Similar Products Used:   Pentax "F" 50mm f1.7, Rikenon 55mm f2.2, Sears 28-70mm f3.5-4.5, Rikenon 28mm f2.8, Rikenon 135mm f2.8, Kalimar 70-210mm f4-5.6

Type of photography:   Fine Art

Overall Rating:3
Value Rating:5
Submitted by masdog a Intermediate

Date Reviewed: January 24, 2006

Strengths:    This lens gets good color performance, and it has a very solid build to it. It has a little weight to it, but it doesn't bother me because it helps with panning. Its also comparatively cheap, which is the biggest strength.

Weaknesses:    There are a few weaknesses to this lens. The main one is its lack of sharpness. The lens is very soft wide-open or at a wide angle. Soft is an understatement. Not only do parts of the image appear soft, but they appear distorted as well. Since I shoot in a lot of low-light situations, I haven't had a chance to find this lenses' sweet spot.

The focus on this lens is also slow. Thats not much of a weakness if you're not shooting action, though.

Bottom Line:   
I bought this lens in the summer of 2005 to replace the 18-55mm lens that came with my Digital Rebel. I've used this to shoot some sports, portraits, and landscapes.

Expand full review >>

Duration Product Used:   6-10 years

Price Paid:    $210.00

Purchased At:   Calumet Photographic

Similar Products Used:   Canon EF-S 18-55mm, Canon 50 f/1.4

Type of photography:   Sports

Reviews 1 - 5 (56 Reviews Total) | Next 15

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