M.Zuiko DIGITAL ED 100-400mm F5.0-6.3 IS, Super Telephoto Zoom, Suitable for all MFT Cameras (Olympus OM-D & PEN Models, Panasonic G-Series), Black

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Yeah, the idea that a consumer grade f/6.3 zoom should not be stopped down even to f/8 because of diffraction is laughable. At high ISO settings you’ll see little fine detail, due to the effects of noise. Olympus OM-D E-M1 Mark III, 100-400mm at 400mm, 1/1000sec at f/8, ISO 12,800 All technical specifications have been taken directly from information that Olympus provided us with. In good light, the lens is capable of delivering fine images even at its closest focus distance. Olympus OM-D E-M1 Mark III, 100-400mm at 400mm, 1/2000sec at f/6.3, ISO 1000

Disclaimer: Photographs are for your personal use ONLY. By opening the link, you agree that you will use the photos solely for your personal use and that you will not distribute or otherwise use them without the author’s permission. Thanks in large part to this, the build quality feels as rugged and robust as the manufacturer's Pro lenses. It's very solid and sturdy, with a smooth and consistent focus ring, but remains impressively light at just 1,120g –and as such it pairs well with smaller bodies, such as the Olympus OM-D E-M5 Mark III and the newly released Olympus OM-D E-M10 Mark IV.Olympus M.Zuiko 100-400mm f/5.0-6.3 IS (400mm, 1/160 sec, f/6.3, ISO200) (Image credit: James Artaius / Digital Camera World) Verdict At the 400mm end, the angle of view is 3.1°, which is the same as that of a 800mm lens on a 35mm full-frame camera.

We’ve found the new DN lens to be sharper than its older sibling, throughout the entire zoom range. Overall, it’s an excellent performer at a very attractive price. In the M.Zuiko Digital ED 100-400mm F5.0-6.3 IS lens, Olympus employed a diaphragm with 9 circular blades, which has resulted in very nice bokeh, at least in our opinion. Then there's also the high-tech ASC (Air Sphere Coating), which effectively reduces ghosting and flare for a sharper image, as well as dirt-repellent fluorine coatings on the front and rear elements. It's a third of an f/stop faster than the Sigma, which may isn't a huge amount of difference, but could be handy in a low-light situation. The Micro Four Thirds format, championed by OM Digital Solutions (formerly Olympus Cameras) and Panasonic Lumix, is well supported when it comes to lens choice especially with telephoto lenses, where the format’s 2x crop factor is a big selling point. We’re used to seeing robust kit from Pentax with impressive build quality, and this lens is no exception. It feels particularly solid and has a durable, weather-sealed construction. The flipside is that it’s physically larger and noticeably heavier than competing lenses, weighing in at 2kg. That’s nearly twice the weight of the Sigma and Tamron 100-400mm lenses, although they’re only available in Canon and Nikon mount options.

Tactile Separation of Zoom and MF rings– Tactile separation of Focus and Zoom rings on Olympus is just excellent. When you hold the camera to your eye you know exactly which ring you rotate on the barrel. Panasonic has three equally grooved rings in a row and it’s easy sometimes to grab the Zoom ring instead of Focusing one. I found the ability to use the zoom was great, the ring had just the right amount of tension to ensure no mistakes. It did the job!