Irix 11mm f/4.0 Blackstone Canon

Irix 11mm f/4.0 Blackstone Canon – Extreme wide-angle with low distortion

Irix 11mm f/4.0 Blackstone is the perfect choice for filmmakers and photographers looking for an extreme wide-angle lens. With its rectangular design and an impressive field of view of 126°, this manual focus lens offers a unique opportunity to capture expansive landscapes and architecture. Its high-quality optics ensure minimal distortion, making it ideal for both professional and enthusiastic photographers.

Features and benefits

This lens is built with 16 elements in 10 groups, including 4 high-refractive lenses, 2 ED lenses, and 3 aspherical lenses. These components contribute to an exceptionally low distortion rate of only 3.13%, making the Irix 11mm f/4.0 Blackstone unique in its class. The lens also has a focusing distance of 0.275 meters, allowing users to capture details even up close.

The weather-resistant construction protects the lens's interior from dust and moisture, which is crucial for photography in varying weather conditions. With rubber seals, the camera mount and focusing mechanism are also protected against accidental water splashes. The durable body, made of aluminum-magnesium alloy, provides robust protection even in extreme situations.

The lens also features an aperture setting from f/4 to f/22, offering great flexibility in different lighting conditions. The nine-blade diaphragm creates an attractive bokeh, perfect for creative images. Engraved fluorescent markings make it easy to adjust settings even in low light.

Specifications

• Image size: 35mm Full Frame
• Focal length: 11mm
• Field of view: 126° (diagonal)
• Focusing range: 0.275 m (0.9 ft)
• Focusing type: Manual with lock function and focus confirmation
• Aperture range: F/4 – F/22
• Aperture setting: Via camera
• Aperture shape: 9 rounded blades
• Lens construction: 16 elements in 10 groups (4X HR, 2X ED, 3X ASP)
• Front filter thread: No
• Rear filter thread: 30 x 30mm
• Dimensions: 118 x 100 mm
• Weight: 790g

Frequently asked questions

What is the field of view for the Irix 11mm f/4.0 Blackstone?
The field of view is 126° (diagonal).

How close can I focus with this lens?
The focusing distance is 0.275 meters.

What type of construction does the Irix 11mm f/4.0 Blackstone have?
The lens has a weather-resistant construction with rubber seals that protect against dust and moisture.

How many aperture blades does the lens have and what shape are they?
The lens has a nine-blade aperture with rounded blades.