IRIX T1.5 21mm Cine lens User Manual

IRIX T1.5 21mm Cine lens User Manual

Thank you for choosing our product. Your new lens has been designed with both the effort and experience of not only engineers, but also of cinematographers. It has been created based on the best available materials, technology and solutions, thus making it the perfect tool for both professionals and hobbyists.

The Irix Cine 21 mm T1.5 is a cinema wide angle lens. It has been designed for full frame cinema cameras with sensor diagonal size up to 43.3 mm.

Product Overview

1. FRONT LENS CAP
   The front lens cap protects the front lens and should always be put in place whenever the lens is not being used.

2. LENS SUPPORT FOOT
   The support foot is a standard feature of the Irix Cine 21mm T1.5 lens. The lens is equipped with a detachable foot for supporting the lens when using follow focus system on rods. Depending on the follow focus configuration, the foot can be attached at the bottom or top position of the lens.
   WARNINGS
   The foot is not suitable for mounting a camera with the lens directly on a tripod.
   Using it to attach the lens to the tripod may lead to damage both the lens and a camera.

3. ADAPTING RING FOR FOLLOW FOCUS SYSTEM
   The lens is equipped with a unique rotating adaptive ring for follow focus systems.
   It provides an easier fit for your focus gear, to the focus ring from any angle. The ring can be rotated 360° with increments of 15 degrees.

4. FOCUS RING
   To focus on a given object, look at the image in the viewfinder or on the camera screen and adjust it manually by rotating the focus ring.
   You can also use the distance scale on the lens body to estimate the distance to the chosen object. The focus ring can be rotated by hand or by using the follow focus system in the range of 0.30m (11.81“) to infinity.

5. LENS MOUNT
   Mounting the lens to the camera as described in the camera’s user manual may differ with various systems. The marker (dot) on the lens body facilitates mounting the lens onto the camera.

6. REAR LENS CAP
   The rear lens cap protects the lens during transport and should be put in place whenever the lens is not attached to the camera.

7. APERTURE RING
   The aperture ring allows for smooth adjustment of the T number of the lens in the range from T1.5 to T16. The ring can be rotated by hand or by using the follow focus system.

TECHNICAL SPECIFICATION

1,2 – a lens without accessories

• for Canon EF – mount version without lens hood and lens caps

MAINTENANCE

The lenses have anti-reflective coating and are dirt resistant. However, they are not scratch-proof. Use only cleaning agents intended for optics. Larger impurities should be removed first with compressed air or with a clean soft brush.

WARNINGS

The lens is equipped with a rubber seals to protect the interior from dust and moisture. It is not, however, completely waterproof. Do not submerge it in water or store it for extended periods of time in humid places. To achieve better water-tightness, use of the front protective filter is recommended.

Protect the lens from shock, being dropped and excessive vibration, and do not leave the lens in direct sunlight as a focused light beam may cause a fire.

Do not expose the lens to high temperatures.

Do not look through the lens at the sun or in its general direction, as that may cause permanent eye damage.

The lens and its accessories should be kept away from children and animals, as they contain small elements that constitute a chocking hazard.

Unsupervised dismantling of the lens may lead to permanent damage and loss of warranty.

In the case of any faulty operation, it is strongly recommended that you contact the authorized Irix service point.

TH Swiss AG
Switzerland
info@irixlens.com
irixlens.com

References

• Irix Official Site: Photo and Cine lenses, Filters, Accessories

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