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



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 affords a relentless most aperture of f/4 all through its zoom vary, plus quick and quiet auto focusing.

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

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

The OM System M.Zuiko Digital ED 40-150mm F4.0 Professional lens is offered 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 using 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 manufactured from steel, with a rubber seal across the mount. Communication between lens and digicam physique is supplied by eleven electrical contacts.

Be aware nonetheless 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 check 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, absolutely dwelling as much as the PRO designation that Olympus have given it.

When it comes to options, the M.Zuiko Digital ED 40-150mm F4.0 Professional is easier than a number of the the larger, quicker 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 provide 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 supplies 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 provide in-camera picture stabilisation in a few of their cameras, like Panasonic, could need to take into account a unique 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 hooked up to an OM-1 physique, focusing proved to very fast in most conditions. This mix is able to locking give attention to a topic virtually immediately, even when alternating between shut and faraway topics.

In excessive low-light conditions it’s possible you’ll expertise a bit focus looking on the lengthy finish, the place a lens with a quicker 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

Handbook focusing is finished in a conventional style, with the adequately sized focus ring mechanically coupled to the shifting lens parts, though there are not any exhausting stops at both finish. Focusing is absolutely 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 contains a 62mm filter thread and a entrance bayonet for attaching the equipped 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 supplies an angle of view of 30 levels.

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

40mm

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

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

150mm

Chromatic Aberrations

Chromatic aberrations, usually 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 may be some mild fall-off within the corners, requiring you to cease down by at the 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 pictures 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 prone to flare when capturing straight into the solar, even with the equipped 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 just isn’t actually a macro lens, but it surely does provide a usefully shut focus level of 70cm / 27.55in from the sensor aircraft 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 normally described in qualitative phrases, resembling easy / creamy / harsh and so forth.

OM Programs have paid shut consideration to this side 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 evaluate 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

So as 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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