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OM System M.Zuiko Digital ED 40-150mm F4.0 Professional Evaluation



Introduction

The OM System M.Zuiko Digital ED 40-150mm F4.0 Professional is a compact, light-weight and weather-sealed telephoto zoom lens for the Micro 4 Thirds system.

That includes a 35mm equal focal vary of 80-300mm, the OM System M.Zuiko Digital ED 40-150mm F4.0 Professional provides a continuing most aperture of f/4 all through its zoom vary, plus quick and quiet auto focusing.

It has an optical formulation comprised of 19 components organized in 9 teams, together with two aspherical, two ED, one Tremendous ED and one HR components.

Different highlights embody a minimal focusing distance of 70cm and a most magnification of 0.21x, with a ZERO (Zuiko Further-low Reflection Optical) coating to manage aberrations, ghosting and flare and a Fluorine coating to guard in opposition to mud, water droplets, grease, and filth.

The OM System M.Zuiko Digital ED 40-150mm F4.0 Professional lens is accessible now priced at £799.99 within the UK and $899 within the US.

The 40-150mm F4 is manufactured in Vietnam. This lens doesn’t assist the usage of Olympus MC-14 or MC-20 teleconverters.

Ease of Use

The OM System M.Zuiko Digital ED 40-150mm F4.0 Professional is a climate sealed zoom lens with a devoted Micro 4 Thirds mount that’s fabricated from steel, with a rubber seal across the mount. Communication between lens and digicam physique is supplied by means of eleven electrical contacts.

Observe nevertheless that in an effort to take full benefit of the weatherproofing, you’ll need to mount it on a equally sealed physique, like the brand new flagship OM System OM-1 digicam that we examined it with.

OM System M.Zuiko Digital ED 40-150mm F4.0 Pro

Tipping the scales at a mere 382g and measuring 99.4mm in size and 68.9mm in diameter, the OM System M.Zuiko Digital ED 40-150mm F4.0 Professional is an extremely compact and light-weight telephoto zoom lens. When it is unlocked and zoomed out to 40-150mm, although, it does acquire one other 2cm in size.

The OM System OM-1 used for this take a look at is an excellent match for the lens, providing good stability, quick auto focus, and full environmental seals.

OM System M.Zuiko Digital ED 40-150mm F4.0 Pro
OM System M.Zuiko Digital ED 40-150mm F4.0 Pro

The M.Zuiko Digital ED 40-150mm F4.0 Professional lens may be very nicely constructed, totally residing as much as the PRO designation that Olympus have given it.

By way of options, the M.Zuiko Digital ED 40-150mm F4.0 Professional is easier than among the the larger, sooner Olympus Professional lenses.

OM System M.Zuiko Digital ED 40-150mm F4.0 Pro
OM System M.Zuiko Digital ED 40-150mm F4.0 Pro
OM System M.Zuiko Digital ED 40-150mm F4.0 Pro

As with all Olympus M.Zuiko lenses, the 40-150mm F4.0 Professional doesn’t supply picture stabilisation. As an alternative that is supplied by the digicam physique, on this occasion the frankly wonderful 5-axis system within the OM-1, which gives 7 stops of compensation when paired with this lens.

So whereas the dearth of in-lens picture stabilisation is a non-issue for Olympus digicam customers, homeowners of different producers merchandise who do not supply in-camera picture stabilisation in a few of their cameras, like Panasonic, might wish to take into account a special lens.

OM System M.Zuiko Digital ED 40-150mm F4.0 Pro
OM System M.Zuiko Digital ED 40-150mm F4.0 Pro
OM System M.Zuiko Digital ED 40-150mm F4.0 Pro

With the 40-150mm lens connected to an OM-1 physique, focusing proved to very fast in most conditions. This mix is able to locking give attention to a topic nearly immediately, even when alternating between shut and faraway topics.

In excessive low-light conditions you could expertise a bit focus searching on the lengthy finish, the place a lens with a sooner f/2.8 fixed aperture would assist keep away from this.

OM System M.Zuiko Digital ED 40-150mm F4.0 Pro

OM System M.Zuiko Digital ED 40-150mm F4.0 Pro
OM System M.Zuiko Digital ED 40-150mm F4.0 Pro

Guide focusing is finished in a conventional vogue, with the adequately sized focus ring mechanically coupled to the transferring lens components, though there are not any onerous stops at both finish. Focusing is totally inner and the filter thread doesn’t rotate on focus.

The Olympus M.ZUIKO Digital ED 12-45mm f/3.5-6.3 EZ lens encompasses a 62mm filter thread and a entrance bayonet for attaching the provided LH‑66E round lens hood, which twists into place to lock and launch it from the lens. The filter thread doesn’t rotate on focus, which is nice information for anybody intending to make use of a polariser or ND grads.

OM System M.Zuiko Digital ED 40-150mm F4.0 Pro
OM System M.Zuiko Digital ED 40-150mm F4.0 Pro
OM System M.Zuiko Digital ED 40-150mm F4.0 Pro
OM System M.Zuiko Digital ED 40-150mm F4.0 Pro
OM System M.Zuiko Digital ED 40-150mm F4.0 Pro


OM System M.Zuiko Digital ED 40-150mm F4.0 Pro


Focal Vary

The 40mm focal size gives an angle of view of 30 levels.

OM System M.Zuiko Digital ED 40-150mm F4.0 Pro

40mm

The 150mm focal size gives an angle of view of 8.2 levels.

OM System M.Zuiko Digital ED 40-150mm F4.0 Pro

150mm

Chromatic Aberrations

Chromatic aberrations, sometimes seen as purple or blue fringes alongside contrasty edges, usually are not an excessive amount of of an issue with the OM System M.Zuiko Digital ED 40-150mm F4.0 Professional lens, besides in areas of very excessive distinction.

OM System M.Zuiko Digital ED 40-150mm F4.0 Pro

40mm

OM System M.Zuiko Digital ED 40-150mm F4.0 Pro

150mm

Vignetting

With the lens set to its most aperture of f/4, there’s some gentle fall-off within the corners, requiring you to cease down by at the very least 2 f-stops to utterly forestall it.

OM System M.Zuiko Digital ED 40-150mm F4.0 Pro

40mm

OM System M.Zuiko Digital ED 40-150mm F4.0 Pro

150mm

Distortion

The OM System M.Zuiko Digital ED 40-150mm F4.0 Professional does not exhibit very a lot barrel or pincushion distortion, as you may see within the photographs under.

OM System M.Zuiko Digital ED 40-150mm F4.0 Pro

40mm

OM System M.Zuiko Digital ED 40-150mm F4.0 Pro

150mm

Sunstars and Flare

The OM System M.Zuiko Digital ED 40-150mm F4.0 Professional is able to producing fairly good sunstars when stopped-down to f/22, as proven under, though the lens is inclined to flare when capturing immediately into the solar, even with the provided lens hood fitted.

OM System M.Zuiko Digital ED 40-150mm F4.0 Pro

40mm

OM System M.Zuiko Digital ED 40-150mm F4.0 Pro

150mm

Macro

The OM System M.Zuiko Digital ED 40-150mm F4.0 Professional is just not actually a macro lens, however it does supply a usefully shut focus level of 70cm / 27.55in from the sensor airplane and a most magnification of 0.21x.

OM System M.Zuiko Digital ED 40-150mm F4.0 Pro
OM System M.Zuiko Digital ED 40-150mm F4.0 Pro
OM System M.Zuiko Digital ED 40-150mm F4.0 Pro
OM System M.Zuiko Digital ED 40-150mm F4.0 Pro
OM System M.Zuiko Digital ED 40-150mm F4.0 Pro
OM System M.Zuiko Digital ED 40-150mm F4.0 Pro
OM System M.Zuiko Digital ED 40-150mm F4.0 Pro

Bokeh

Bokeh is a phrase used for the out-of-focus areas of {a photograph}, and is often described in qualitative phrases, similar to clean / creamy / harsh and so on.

OM Techniques have paid shut consideration to this facet of lens use, using a 7-segment diaphragm with rounded blades for some pleasing bokeh.

In our view, their efforts have been fairly profitable for a telephoto zoom lens – see the examples under to guage for your self.

OM System M.Zuiko Digital ED 40-150mm F4.0 Pro
OM System M.Zuiko Digital ED 40-150mm F4.0 Pro
OM System M.Zuiko Digital ED 40-150mm F4.0 Pro
OM System M.Zuiko Digital ED 40-150mm F4.0 Pro
OM System M.Zuiko Digital ED 40-150mm F4.0 Pro
OM System M.Zuiko Digital ED 40-150mm F4.0 Pro
OM System M.Zuiko Digital ED 40-150mm F4.0 Pro
OM System M.Zuiko Digital ED 40-150mm F4.0 Pro
OM System M.Zuiko Digital ED 40-150mm F4.0 Pro
OM System M.Zuiko Digital ED 40-150mm F4.0 Pro
OM System M.Zuiko Digital ED 40-150mm F4.0 Pro
OM System M.Zuiko Digital ED 40-150mm F4.0 Pro

Sharpness

To be able to present you the way sharp the OM System M.Zuiko Digital ED 40-150mm F4.0 Professional lens is, we’re offering 100% crops on the next pages.

We will be happy to hear your thoughts

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