Irix have constructed an enviable popularity for attention-grabbing, top quality optics, concentrating on areas comparatively uncared for by different producers. Right here we have now an extended 150mm macro lens that gives a full 1:1 life dimension magnification for Canon, Nikon and Pentax full body DSLR customers. The lens is guide focus solely, though particularly within the case of a macro lens this can be of little concern. Let’s have an in depth look and see how the lens performs and what the benefits of an extended focal size could also be.


Irix 150mm f/2.eight Macro 1:1 Dealing with and Options

Irix 150mm F2,8 Macro On Canon 5DSR

The lens is designated as a Dragonfly specification, which is new. This proves to the considerably the identical because the Blackstone, with its strong metallic development, however utilising a number of the options of the extra composite primarily based Firefly to scale back the general weight. The result’s a lens that’s reassuringly strong at 840g, however not over heavy because of using some composite supplies in addition to the fundamental Magnesium alloy physique. The pattern examined, utilizing the 50mp Canon EOS 5DS R, balances completely with the digicam physique. The lens is described as fog, rain and snow sealed, which is all the time a bonus.

Our lens tour begins with the deep bayonet match petal lens hood, which clips neatly into place and has no tendency to grow to be unfastened. Inside this bayonet match is a standard 77mm filter thread. The lens is coated with Irix’s model of nanotechnology multi-coating methods and labelled as Neutrino Coating.

Instantly behind the entrance rim of the lens is a rotating unlock/lock collar that regularly tensions the rotation of the focusing ring till it completely locks. This might properly be helpful in macro images the place the lens is pointing up or down on the topic, stopping the lens barrel creeping away from the purpose of sharpest focus.

The guide focusing ring is extensive and cozy, working with sufficient firmness and being totally clean all through its giant 270-degree rotation. This enables for a really excessive diploma of accuracy, notably within the macro vary, and really is extra exact than utilizing a focusing rail. That is essential as a result of at excessive magnifications crucial focus is the slightest contact away and might simply be simply off. The Irix lens makes it a lot simpler to search out that crucial level. Magnification ratios and distances are each very clearly marked, the latter being in each ft and metres. Unusually, there as an Infra Crimson focusing mark offered, though, as is more and more the case, there is no such thing as a depth of area scale.

Focusing is all the way down to 0.345m or 0.92 ft, a most magnification of 1x or 1:1, or life-size.

Irix 150mm F2,8 Macro With Hood On Canon 5DSR

There’s a detachable rotating collar that carries an Arca Swiss appropriate tripod foot. This makes vertical compositions straightforward by simply rotating the lens, one other very helpful and sensible function.

The properly made mount is digital, so the built-in CPU permits focus affirmation and in addition stories the aperture accurately so it may be managed by the digicam. There isn’t a built-in optical stabilisation for Canon and Nikon, however in fact, Pentax customers can profit from their Shake Discount system being constructed into the digicam our bodies.

Optical development is 12 components in 9 teams, with three SLD (Tremendous Low Dispersion) and four HR (Excessive Refractive Index). The diaphragm contains 11 rounded blades, for improved bokeh.

Though supposed for full-frame DSLR cameras, the lens can be utilized on crop format fashions as properly. This ends in a “35mm format equal” of 240mm (Canon) or 225mm (Nikon and Pentax). Though supposed primarily as a macro lens, the Irix can equally properly be used as a standard brief telephoto for the complete vary of purposes this implies. Portraits, landscapes, structure, close-range sports activities and plenty of different purposes are throughout the purview of this optic. There should not many 150mm lenses, however they’ve been provided because the 1960s and have normally been very top quality.

When it comes to macro use, the longer focal size will be very helpful for wildlife and different photographs the place having a bit extra distance avoids spooking the topic or makes room for the lighting. It’s much less helpful for doc copying, because the distances concerned can begin to show inconvenient, however for nearly every little thing else that further attain will be very useful.

Irix 150mm F2,8 Macro Rear Oblique View

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