The extremely wide-angle, rectilinear manual focus lens designed for DSLR cameras.
Buy Irix 11mm f/4 Firefly and get 60% discount for SNS-HDR software
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.
Firefly is the standard version equipped with three rubber seals that protect camera mount and focusing mechanism against dust, moisture and side accidental water splashes. Ergonomic focusing ring with rubber grip offers the freedom to operate with the camera. It is the most lightweight lens in its class.
|IMAGE SIZE||35mm "Full Frame"|
|FOCAL LENGHT||11 mm|
|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 FILTER THREAD||30 x 30 mm|
|BAYONET MOUNT||Pentax K|
|DIMENSION||118 x 100 mm (4.49” x 4.05”)|
|WEIGHT||730 g (1.61 lbs) - 790 g (1.74 lbs)|
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