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The lens has a massive focal length of 500mm (equivalent focal length of 1000mm) with the in-lens teleconverter applied. It is also fast at a constant f/4.5 maximum aperture, even at 400mm. The lens is compatible with Sync IS on Olympus and OM System bodies. There are many things to talk about when it comes to the design of these two lenses. Let’s start with the build quality. Lastly, for the telephoto portion of this article, it would be a disservice not to mention the Olympus M.zuiko 15-400mm f/4.5 TC1.25X IS PRO lens. This lens is surely the best supertelephoto lens available for Micro Four Thirds shooters, and the ultimate wildlife photography lens. 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. Azure Bluet, Olympus E-M1 III, M.Zuiko 100-400mm/5.0-6.3 IS, 400mm, ISO 500, f/6.3, 1/400s, handheld
The original Nikon AF lens relied on an autofocus motor in the host camera, coupled via a screw-drive mechanism. It was actually one of Nikon’s slowest lenses in terms of autofocus performance, and made autofocus completely unavailable with cameras like the D40, D3xxx and D5xxx series. Our used products are subject to wear and tear in comparison to brand new products. This also applies to accessories that are supplied with the camera including batteries which may have a lower optimum performance level/life expectancy. Jason already did a full review of the Olympus 12-45mm f/4 PRO and concluded that it “has excellent performance and should be more than enough for almost every application including landscape, portrait, and even wide-angle wildlife.” He also said it has a good price-to-performance ratio even though some higher-end options exist. Red-tailed Laughingthrush, Olympus E-M1 III, M.Zuiko 100-400mm/5.0-6.3 IS, 100mm, ISO 1600, f/5, 1/13s, handheld zoom in close on subjects that are difficult to approach, such as birds and wildlife, and deliveringUsefully the lens comes with a snap-on lens hood. Olympus also include a cloth storage bag, and the lens accepts 72mm filters. Focal Range
Given the fact that this 100-400mm lens includes many of Olympus' top amenities and features, such as several high-performance optical elements, IPX1-rated weather-sealing and being one of the few Zuiko lenses with optical image stabilization, it's surprisingly not designated as a "Zuiko Pro" lens like the 300mm f/4 or the upcoming 150-400mm. When asked about this, Olympus didn't provide a definitive answer; the image quality, as I'll discuss later more, is certainly not a differentiating factor here. What we were told, however, is that the lens didn't get the "Pro" moniker likely due to its variable aperture design. To date, all Zuiko Pro lenses have a constant aperture design, so that answer certainly makes sense. While a lot of photographers will think this is a great birding lens, it’s a great, affordable choice for anyone photographing any type of wildlife. Does the new Olympus 100-400mm hold up to the hype? Photo by Cathy Seaver. First impressions Teleconverter– Olympus is compatible with TC 1.4x and TC 2x. Panasonic does not allow you to connect any TCs at all. As mentioned, the new Olympus 100-400mm is impressively compact and lightweight for such a long-reaching lens, making it a perfect option for active wildlife shooting while hiking, for example, or simply in other situations where you want to be mobile and flexible with your shooting options and not "tied-down" from lugging around a tripod. True-to-form, the Olympus 100-400mm is significantly more compact and lighter in weight than most other 100-400mm-style super-telephoto zoom lenses for some of the other larger-sensor camera systems.The sharpness is impressive, even wide open, corner to corner. It’s great for capturing sharp stars even wide open at f/1.7. That said, for shooting near the minimum focusing distance, I find that performance improves after stopping down to f/4 or f/5.6. 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.
That’s as far as I’ll delve into these technicalities. But keep this context in mind as I assess the “best” Micro Four Thirds lenses below. It’s subjective of course, but that’s why weight, maximum aperture, and performance are some of my top considerations. Panasonic vs. Olympus (OM System) The replacement AF-S lens has typically fast and near-silent ring-type ultrasonic autofocus, that works with any Nikon DSLR or mirrorless Z-series camera. Furthermore, it has Nikon’s old-style aperture control lever, rather than an electromagnetic system (as featured in the Sigma and Tamron lenses), ensuring compatibility with older Nikon DSLRs. Apochromatic lenses have special lens elements (aspheric, extra-low dispersion etc) to minimize the problem, hence they usually cost more. The best Micro Four Thirds macro lens is the OM -System 90mm f/3.5 2x Macro. Not only does it have the best features of any macro lens for Micro Four Thirds, it is also the sharpest I’ve shot with. It is fully weather sealed to a rating of IP53, adding to it’s versatility. It even has internal stabilization. This lens is a must-have for any super macro shooters looking to go beyond 1:1 macro. Because most Micro Four Thirds lenses are manufactured by either Olympus or Panasonic, it’s tempting to compare the two brands. I really don’t think one is overwhelmingly better than the other. Some Olympus lenses outperform the Panasonic equivalent and vice versa. Other types of lenses are only made by one brand and don’t have an equivalent.Olympus M.Zuiko 100-400mm f/5.0-6.3 IS (400mm, 1/1000 sec, f/6.3, ISO400) (Image credit: James Artaius / Digital Camera World) Key features Over the past few years, Panasonic and Olympus have put in considerable effort to build a reliable and versatile system for wildlife photography. Today users have access a good range of products when it comes to both cameras and lenses.
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