Sigma EX 105 / 2,8 DG Macro Expert Reviews

At very high magnification, depth of field is extremely shallow even at small apertures, a fact of life with any lens.

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 wit...

This ultra-wide fisheye lens presents a 180 degree angle of viewing, permitting a variety of intriguing effects. The wide depth of field expands the possibilities even more. A minimum focusing distance of only 20 cm gives new meaning to close-up shots. W...

Through the years Olympus has contributed many creative and exciting products and put them in the hands of consumers around the globe. And in doing so, Olympus has been the pioneer behind a number of technological and design innovations that enable people...

The lens covers a super-wide angle of view 104°and has a large-aperture. It has a minimum focusing distance of 27mm at all focal lengths, and maximum magnification ratio of 1:4.5. The models which are equipped with HSM (Hyper Sonic Motor) system are ensur...

I believe I will provide a nicer end result, but it is going to take me longer than planned to bring everything online. I currently have all of Canon's current AF lenses and all listed (and a couple of yet-unlisted) Sigma and Tamron lenses with the Sigma

As suggested by the "Macro" designation, this medium-size standard zoom can focus as close as 20 cm. (This data is based on a measurement from the camera's sensor.) That's much closer than the typical 0.5 metres in this lens category, and allows for magni...

Attractive design, Scroll ball is comfortable and easy to use, Works with Windows and Mac systems, Integration with Tiger is flawless

Side buttons are hard to squeeze, Comfort could be improved

Digitally optimized circular fisheye auto-focus lens - Sigma 15mm F2.8 EX DG DIAGONAL FISHEYE This digitally optimized diagonal fisheye lens is equipped with a new multi-layer coating technology that reduces both flare and ghosting. This also ensures an a...

With a minimum shooting distance of only 15cm (5.9 inch), this lens has a maximum magnification of 1:3.8. The close focusing capability together with a large depth of field allow close up photography that covers objects surrounding the photographic subjec...

Sigma made their mark by being proactive when autofocus SLR cameras appeared back in 1985

All in all the Sigma 17-35mm delivers a cracking optical performance, and, at less than half the price of a camera maker's own versions, this is a lens that can't fail to please. Test by Peter Bargh Test images Return to Equipment - Revi...

Sigma Corporation is pleased to announce the launch of the new Macro 105mm F2.8 EX DG lens. This medium telephoto macro lens employs a new design concept for digital SLR cameras its lens power layout produces an excellent optical performance. The new lens...