Olympus M.Zuiko Digital ED 40-150 mm F2.8 PRO Lens, Telephoto Zoom, Suitable for All MFT Cameras (Olympus OM-D & PEN Models, Panasonic G Series), Black

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If you’re after a new lens to extend your reach, then there’s no shortage of telephoto zooms available. At the budget-end and designed to complement a kit zoom, I’d suggest either the Olympus M.Zuiko Digital ED 40-150mm f4-5.6 or the Panasonic Lumix G 45-150mm f4-5.6 OIS. These are two of the most affordable lenses in the catalogue and ideal partners for a basic kit zoom on a budget body; if you have a Panasonic body without stabilisation, go for the Lumix G 45-150mm model which has optical stabilisation. If you’d like even longer reach without breaking the bank, I’d recommend the Panasonic Lumix G 100-300mm f4-5.6 II OIS that takes you to 600mm equivalent coverage at a relatively affordable price. Beyond this, you may find manual aperture rings on some higher-end Panasonic lenses which become redundant on Olympus bodies – you can still adjust the aperture on an Olympus body by using one of the camera control dials, but the aperture ring on the lens is ignored. The lens also has a Function button on the side that your thumb can easily reach. There are many options you can assign to the button just as with every other function button on the OM-D E-M1 body. The most obvious alternative to the Olympus 40-150mm F2.8 is the Olympus 40-150mm F4 Pro. While the Olympus 40-150mm F2.8 Pro is more capable thanks to its faster F2.8 aperture and dual AF motors, the much lighter and cheaper Olympus 40-150mm F4 does, broadly speaking, the same thing. Of course the caveat, as with any teleconverter on any format, is a reduced maximum aperture of a given lens. A 2x converter results in a 2-stop reduction, meaning that the 40-150mm f/2.8 becomes an 80-300mm f/5.6, and so on.

Focus is very reliable and it follow-focuses fast (especially if you turn EYE focus off - more so with the mk 1)This lens achieves a compact, lightweight and high performance by taking advantage in this product of the hallmarks of the Micro Four Thirds System standard to achieve a maximum aperture of f2.8 at all zoom focal lengths and cover a telephoto range of 80mm to 300mm (35mm equivalent). To achieve compact, lightweight lens with optical performance exceeding that of the heretofore highly regarded Four Thirds System standard Super High Grade (SHG) lens, the lens employs such glass materials as the Super ED lenses, the ED or HD lens*2 as well as of EDA*3 and other aspherical lenses. The latest design technologies were also incorporated in developing the lens, such as making proactive use of ZERO (Zuiko Extra-low Reflection Optical) Coating to thoroughly eliminate ghosts and flare. As a result, with a maximum aperture at all zoom focal lengths the lens provides the high Olympus image quality that satisfies professional standards. The focusing system relies on a dual linear voice coil motor design (VCM) to deliver a quiet and fast performance, and with a minimum focus distance of 70cm and an inner zoom mechanism that allows it to be no longer than 160mm, it looks set to be one of the most impressive Micro Four Thirds lenses going, or at least it does on paper. Olympus 40-150mm First Look – The Function Button and Hood

The lens hood, which can make the lens look bigger than it actually is, has a smart mechanism–it retracts without the need to unmount and reverse it like on other lenses. All you need to do is slightly turn the dedicated ring on the hood and retract it. While it is a very sensible mechanism, when you take it out of your bag you might find the hood has extended of its own accord. Following an initial day of testing at the Cheltenham horse races with Ken McMahon, Gordon sourced a second sample of the lens and tested it for a month in a wide variety of portrait, landscape and action environments. He also retested the lens with the Olympus ODM EM1 updated to firmware 2.2 which claims to deliver superior AF precision with the 40-150mm. Read on to find out if this is the telephoto zoom Micro Four Thirds owners have been waiting for. Olympus 40-150mm f2.8 Pro design and build quality

I’ve mentioned how well balanced the M.Zuiko 40-150mm f2.8 Pro feels when attached to the OMD EM1, the internal zoom mechanism means the the front of the lens doesn’t extend when you turn the zoom ring, maintaining the same overall length and balance. The front element doesn’t rotate when focusing so you can use a circular polarizer with ease. The lens has a 72mm filter thread. While not technically a macro lens, the Olympus 40-150mm ƒ/2.8 is rather unique for its close-focusing ability. From the end of the front of the lens, photographers can focus down as close as 20 inches (though considering the length of the lens, the true minimum focus distance to the focal plane is 27.6 inches, or 0.7 meters). This provides a magnification ratio of 0.21x (1:4.8) or 0.42x (1:2.4) in 35mm eq. for some great near-macro shooting capabilities.