Irix Cine 11mm T4.3 offers a wide view for full-frame filmmakers

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Sizzling on the heels of the Irix Cine 150mm T3.zero Macro 1:1 lens, Irix at the moment are introducing its second cinema lens. The ultra-wide-angle Irix Cine 11mm T4.Three is designed to work with full-frame sensors and can be out there in Canon EF, Sony E, Micro 4 Thirds and Arri PL mounts.

The brand new guide focus lens is an adaptation of the 11mm f/Four Blackstone and 11mm f/Four Firefly that it already makes for Canon, Nikon and Pentax DSLRs – however makes use of ‘a brand new optical method, developed particularly for cinematic functions’.

There are 16 optical parts, of which 4 are made out of excessive refractive index (HR) glass, three others have aspherical surfaces and the final two are made with low-dispersion glass (ED). The lens gives a most T variety of 4.3 which will be diminished to T22, because of the rounded iris blades. The The geared focusing ring rotates 180 levels with a spotlight scale (with imperial or metric markings relying on the mount model).

Irix Cine 11mm T4.3 offers a wide view for full-frame filmmakers

(Picture credit score: Irix)

What’s a cine lens?

There are a selection of key variations between a normal picture lens, and a cine lens (which Irix spells out in this blog post). These variations embody:

1) Geared tooth on the lens housing
These are designed for use with a observe focus attachment, that permits the digicam operator to drag focus while recording easily from one topic to a different.

2) De-clicked, guide aperture management
Cine lenses supply stepless adjustment of the iris diaphragm – and you aren’t restricted to half-stop or third-stop changes as provided by most DSLRs and mirrorless cameras. It’s because with video, you would not have the diploma of management over shutter velocity that you just do with stills images.

3) T quantity
As you may see from the identify, the Irix 11mm Cine has no f/cease score in its identify, however as a substitute has a T or Transmission worth… on this case T4.3. The T worth relies on precise mild transmission to the sensor, and is a extra correct manner of setting publicity when capturing video.

4) Lengthy throw guide focus ring
The guide focus ring on this lens strikes via a full 180 levels – to permit for very exact guide focusing.

Irix Cine 11mm T4.3 offers a wide view for full-frame filmmakers

(Picture credit score: Irix)

Value and availability

Introduced at IBC 2019 in Amsterdam, the pricing and availability of the Irix 11mm Cine lens have but to be introduced. 

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