![]() ![]() Wide angle lenses are commonly used for landscapes when it is better to take things slowly. ![]() Still, speed isn’t necessarily an essential feature for a wide angle lens like this, as it would be when using a telephoto lens when you want to lock onto the subject quickly. It was not quite as fast to acquire focus as some of the Olympus Pro lenses I own. The lens’ focusing was fast and accurate. The only way to tell is to take the lens out and try it, which is what I did. I’ve tried lenses with all sorts of combinations of lens elements. When I’ve asked other photographers, they usually shrug their shoulders and admit they haven’t got a clue. Those glass specifications sound impressive, but they wash over me as much meaningless babble. There are 16 lens elements, two of which are SLD (Special Low Dispersion) elements, and three are Sigma’s FLD (Ultra Low Dispersion one can only guess why they used F and not U in their acronym!) glass. It comprises nine rounded diaphragm blades, so I anticipated the bokeh would be pleasing. This lens isn’t only compatible with Micro Four Thirds other versions fit the Sony E, Canon EF-M, Fujifilm X, and Leica L mounts. It’s similar in width to my Olympus 12-40mm f/2.8, but slightly longer. This promised to be a fine lens.Īttached to my OM-1, it was nicely balanced. Its matte black finish looked great it felt robust and of a high quality. One of the first questions I ask when I handle equipment is whether it oozes quality. Taking the lens out of its recyclable packaging - the lens itself was in a small polythene wrapper, but other than that, it was all recycled and recyclable paper and card - I was instantly impressed.
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