Product Description
The Sigma 105mm f2.8 EX Macro delivers superb, distortion-free images throughout its broad focus range, from infinity telephoto to 1: 1 (life-size) macro, as close as 12.3" without accessories. Its non-rotating front lens group makes it easier to work with polarizing filters and has a focus limiter. A "focus-free" mechanical design allows the lens to auto focus without any interference from the manual focus ring. This makes it easier to hold the lens without affecting the speed or normal operation of the autofocus function. Rugged mechanical construction also makes it durable enough for even the heaviest use required by professional photographers. The Sigma 105mm f2.8 EX Macro features the new deluxe external EX finish. These features and other Sigma optical advances, including an uncommonly broad range of focus, make this an ideal lens for a wide variety of applications, from nature photography to portraits. A handy screw-in type metal sunshade makes it easier to rotate a polarizing filter.
Customer Reviews:
Sharp + Solid Body.......2007-09-06
Good value for its performance. After using a 70-300 DG Apo Macro, I understood that 1:1 macro is a real must. Recommend everybody with a tripod!
Great Macro Lens.......2007-07-03
This lens was exactly what I was looking for. It is fast and sharp.
Sometimes, however, it has troubles finding the object during focus and travels the full length. I just switch to manual focus to get around that issue.
Highly recommended!
sigma macro.......2007-01-09
Love the lens - terrific service from Amazon. Arrived speedy quick and was exactly what I wanted/needed.
super sharp, a great value compared to other brands.......2006-12-16
I previously owned the sigma 150 macro. It was super sharp and awesome in any way, just kind of big and heavy. So I decided to get the 105mm because it's cheaper and lighter, more likely to stay in my bag. The 105 lacks HSM but that's not really a problem for macro where you use manual focus, or for portraits where you don't need fast focusing. The min focus distance is about the same.
I didn't get the 60-70mm macros because I also want to use the lens for portraits and 105 is better.
I researched the tokina & tamron equivalents but I choose sigma cause it was cheaper. The reviews say they're all about the same. I agree the Tamron 90 macro is better but it's a lot more expensive. Plus I think 105 is better for portraits.
Overall I highly recommend this lens for nikons. For canon bodies, the sigmas typically front focus and I would only buy canon lenses (canon has a good 100mm macro).
Product Description
The Sigma 105mm f2.8 EX Macro delivers superb, distortion-free images throughout its broad focus range, from infinity telephoto to 1: 1 (life-size) macro, as close as 12.3" without accessories. Its non-rotating front lens group makes it easier to work with polarizing filters and has a focus limiter (eg. Full Range; - 15.8 in.; 14.6 in. - 12.3 in.). A "focus-free" mechanical design allows the lens to auto focus without any interference from the manual focus ring. This makes it easier to hold the lens without affecting the speed or normal operation of the autofocus function. Rugged mechanical construction also makes it durable enough for even the heaviest use required by professional photographers. The Sigma 105mm f2.8 EX Macro features the new deluxe external EX finish. These features and other Sigma optical advances, including an uncommonly broad range of focus, make this an ideal lens for a wide variety of applications, from nature photography to portraits. A handy screw-in type metal sunshade makes it easier to rotate a polarizing filter.
Customer Reviews:
Excellent.......2007-12-03
I just love working with this macro lens and my Canon digital SLR XTi. Perfect for my dental, intraoral photography needs.
Excellent macro lens for dentistry.......2007-11-25
I have employed my Rebel XT digital SLR into my dental office. I upgraded to the Rebel XTi (10 mpixels) for home. I purchased the Sigma ring flash with a Sigma macro lens for the Canon SLR family. If you look at the Lester Dine website this is basically what they sell for a few hundreds dollars more.
I compared the ring flash and lens with the ones offered by Canon and felt that it was worth saving $300 by purchasing the Sigma combo.
The macro lens/ring flash work well for dental purposes. After a little experimentation I discovered that I get the best images by using the aperature priority setting. All settings are used with ISO 400 speed. I set the aperature at 14-16 for intraoral shots. This gives the best depth of field. I also use the operatory light for intraoral shots. I set the aperature to 6 for full face shots.
I use autofocus but set the ratio to 1:2 to 1:3 for intraoral shots. This keeps the autofocus from "hunting". I frame the shot by moving towards the subject. Once I get close to the image that I like I use the autofocus to get the final focus for the picture.
Like I've wanted!.......2007-05-14
This lens was everything what I waited ! Excellent sharpness and contrast, good finishing and a good price
Great lens.......2007-05-12
I was looking for a macro lens to shoot detail shots of my knitting for my blog and a friend recommended this lens to me. I'm not a great photographer, but I've been able to get some really spectacular shots with this lens on my Canon Rebel.
Wonderful addition to SLR photography!.......2007-01-03
The sigma 105 macro lens is a great way to explore new worlds with macro photography. I am using this lens with my 300D Digital Rebel and the results are fantastic. Now, small areas in my backyard and local parks offer unlimited photo opportunities. I would, however, offer several tips for beginners with macro photography. First, and foremost buy and use a tripod. With many subjects, depth of field is critical and any movement whatsoever will be evident in your images. Second, if your camera can allow it, use mirror lock-up and a remote release to prevent movement. Third, have plenty of patience! Expect to take a lot of images to come up with keepers. No big deal for digital cameras, and don't be afraid to experiment.
Here is a fun project that I have been using with this lens courtesy of my high school photography teacher:
Take a nail and tie a 10 ft. piece of string to it. Then, as you are walking along a trail or path, randomly stick the nail in the ground. You now have a circle with a 10 ft. radius. Challenge yourself to shoot 10, 20, 50 or even 100 images within that radius. It will certainly cause you to look, and more importantly see differently.
This purchase is perhaps the best piece of equipment that has helped my photography.
Product Description
MACRO 105mm F2.8 EX DG allows greater working distance between the lens and subject. High contrast and excellent image quality are made possible in all shooting ranges. This macro lens is ideal for digital SLR cameras as well as film SLR cameras.
Customer Reviews:
Sharp and clear.......2007-02-08
Of all my Four-Thirds compatible lenses this has become a favorite. The Sigma is sharp, reasonably compact and features an actual manual focus mode. Yes, the 50-200mm Zuiko covers this range and is just as sharp, but this lens is much smaller and lighter than the Olympus lens and is, of course, a macro lens that focuses much closer than the Zuiko 50-200mm.
Despite being optimized for macro photography, this lens works quite well for general photography and has a bokeh that is a bit more pleasing than many of the admirably sharp Zuiko lenses. In macro operation the lens often gives a greater distance from the subject than the Zuiko 50mm macro lens does, but this lens is not (as far as I can tell) able to mount the Olympus ring flash for macro work so I use it strictly for outdoors and ambient light macro work (Edit: I have since purchased the Olympus twin flash and it works very well with this lens via an easily obtained step ring adapter.)
The build quality of the lens is not up to the level of the better Zuiko lenses and it is not a weather sealed lens but it is certainly of a higher quality than the Olympus kit lenses that normally ship with cameras like the E-410/510. It's also a higher quality lens than the inexpensive Sigma zoom lenses that have been available for Olympus and other Four-Thirds applications for some time now. I would say that it has a nice feel to it both in heft and in operation.
Due to optical designs that I do not pretend to understand the front element of this lens is remarkably deeply recessed into the lens housing. In fact, it's so deeply recessed that I don't feel the need to use the supplied screw on sun shade (which is a poor design in my opinion) nor do I feel the need to use a clear filter in order to protect the front element (it would be difficult to bang it on anything given how far from the front of the lens it is). One might view this as a money saver as well as a convenience but that's a very subjective opinion I do admit.
Finally, the lens features a fully manual focus mode that works very well but unlike the 'fly by wire' Olympus lenses that many are familiar with this lens requires that you throw a switch on the side of the lens housing in order to disengage the auto-focus motors. This is not terribly convenient, however with practice one certainly can train themselves to operate the switch without taking one's eye from the viewfinder.
To sum it up, I did not expect great things from this lens given that some of the Sigma lenses in the Four-Thirds mount have been a disappointment but I was pleasantly surprised by this lens. It is sharp at maximum aperture, it is moderately priced, it is an excellent macro lens, and it is a fine medium telephoto lens on top of it all. I can highly recommend this lens as a handy addition to any Four-Thirds DSLR camera kit provided weather & dust sealing is not required.
Product Description
Super Multi Coating reduces flare and ghosting that tends to occur when using digital SLR cameras. High performance medium telephoto macro lens optimized for digital cameras. MACRO 105mm F2.8 EX DG allows greater working distance between the lens and subject. High contrast and excellent image quality are made possible in all shooting ranges. This macro lens is ideal for digital SLR cameras as well as film SLR cameras.
Product Description
Super Multi Coating reduces flare and ghosting that tends to occur when using digital SLR cameras. High performance medium telephoto macro lens optimized for digital cameras. MACRO 105mm F2.8 EX DG allows greater working distance between the lens and subject. High contrast and excellent image quality are made possible in all shooting ranges. This macro lens is ideal for digital SLR cameras as well as film SLR cameras.
Customer Reviews:
sigma macro lens.......2007-10-25
excellent product with excellent service from the supplier. My son loves his new lens. Far exceeds expectation.
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