Irix Lens 11mm f/4 Blackstone

The extremely wide-angle, rectilinear manual focus lens designed for DSLR cameras.

865,00 €

Our 11mm lens is an extremely wide Full Frame rectilinear lens with a 126° angle of view. 4 high refractive lenses, 2 ED lenses and 3 aspherical lenses guarantee minimal distortion, as low as 3.13%, making our 11mm f/4.0 lens absolutely unique in its class. We know how important it is to protect your gear. All Irix lenses are made with phenomenal precision. Each Irix lens is equipped with a weather sealed construction which protects the interior against dust and moisture. Thanks to inner seals, our lenses are also protected from accidental water splashes. No matter the journey, you can be confident that our weather sealed lenses will offer you maximum resistance to the extremes.


Blackstone, the Premium version has durable body made with aluminium-magnesium alloy, that ensures foolproof protection of your lens, even in extreme situations. Its construction is equipped with rubber seals, that protect the camera mount and focusing mechanism against the dust and moisture, as well as front or side accidental water splashes. Engraved fluorescent markings enable easy read-out and operation in low light conditions.

Technical data

IMAGE SIZE:35mm ”Full Frame”
FOCAL LENGHT:11mm
FIELD OF VIEW:126° (diagonal)
FOCUSING RANGE:0.275 m (0.9 ft) - ∞
FOCUSING TYPE:manual with lock function
APERTURE RANGE:f/4 – f/22
APERTURE CONTROL: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 GELATIN FILTER SLOT:30 x 30 mm
AVAILABLE BAYONET MOUNTS:Canon EF, Nikon F, Pentax K
DIMENSIONS (D x H):118 x 100 mm (4.49” x 4.05”)
WEIGHT:790 g (1.74 lbs) - 820 g (1.81 lbs)

Kit include:

  • Irix 11mm f4 Firefly
  • lens hood
  • front lens cap
  • 2 rear lens caps
  • soft lens pouch
  • metal box

Related products

This site uses cookies. By continuing to browse the site, you are agreeing to our use of cookies Find out more