Olympus M.Zuiko Digital ED 75 mm F1.8 Lens, Fast Fixed Focal Length, Suitable for All MFT Cameras (Olympus OM-D & PEN Models, Panasonic G Series), silver

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I’m sure this is how our parents looked at us as well. Before they knew it, their children were off to high school, going to university, getting married, and having children of their own. The scale on the left side is an indication of actual image resolution. The taller the column, the better the lens performance. Simple. Chromatic aberration is the lens' inability to focus on the sensor or film all colours of visible light at the same point. Severe chromatic aberration gives a noticeable fringing or a halo effect around sharp edges within the picture. It can be cured in software. Just bare this in mind if you are going to shoot in very high contrast conditions but I would not let it put you off what is otherwise a superb performing lens.

Imatest was only able to detect 0.9% pincushion distortion during testing, which is a very low level indeed. If absolutely straight lines are paramount, you'll be glad to know that the distortion pattern is uniform across the frame, which should make applying correction in image editing software afterwards a breeze. Unfortunately, the Oly 75mm f/1.8 has no optical image stabilization (O.I.S.), which means you need to rely on a tripod or the in-body image stabilization (IBIS) of your camera.With the micro four thirds mount still relatively new on the camera scene, at the time of writing there are simply no other lenses in this category. With a third-party adapter, you can mount other lenses on Olympus micro-four-thirds cameras, which could fill this gap. As seen in the photo above, the Olympus M.Zuiko Digital ED 75mm f/1.8 is a handful of a lens, at least when compared to many other Micro Four Thirds offerings, but it is actually quite compact for a fast telephoto lens. It's not exactly lightweight, though: weighing in at 305 grams, it feels dense with glass and metal. Anyway, thanks for another great article, and I will make sure to continue reading your blog every now and then!

Let me start out by saying that if you're considering buying this lens, and are in the market for a prime Micro Four-Thirds short telephoto lens, buy this 75mm f/1.8. That's the short version of the story: buy it in confidence knowing it's great. If you’re ready to buy your first portrait lens for the Micro Four Thirds system, I cannot think of a single reason you shouldn’t jump on the Sigma 56mm f/1.4. Indeed, the only reason to consider the more expensive 75mm instead is for its longer focal length, which is preferable for headshots or events where you need a longer reach. There are no switches or control surfaces on the lens other than the focus ring - all lens functions are controlled by the camera. There are no distance or depth-of-field scales, and no infrared index. The focusing ring is the only control surface on the lens - it is metal with raised ribs, about an inch wide, and has a nice tactile feel to it. Since Olympus micro-four-thirds cameras use a fly-by-wire system, the focusing ring will turn forever in either direction, offering no stops or resistance to let you know you have maxed out focus in either direction.Size wise it is easier to just show you the lens compared to the 45mm 1.8 and 12-40mm f/2.8 Pro zoom to give you an idea of the size. Micro Four Thirds system camera owners who are already looking at this lens probably don't need any more convincing of it's worth, but those who hadn't yet considered it may be interested to see just how well this optic performs. It's amongst the sharpest lenses currently available for any camera system, it's well built and a pleasure to use.