Additional information of Irix 11mm f/4 wide-angle prime lens now available online.
The Irix 11mm f/4 ultra-wide-angle, rectilinear manual-focus lens designed for Canon EF, Nikon F, Pentax K mount full-frame DSLR cameras.
Providing a focal length of 11mm, this new lens model is ideal for outdoor and indoor photography whether it is photojournalism, landscapes or architecture.
New Irix 11mm f/4 lens information
The full-frame lens specs also include a special design and coating. The construction consists of 16 elements in 10 groups. It a minimum focusing distance of 0.275m (~0.9ft), a 9-blade aperture, and weather sealing against dust and moisture.
|IMAGE SIZE||35mm „Full Frame”|
|FOCAL LENGTH||11 mm|
|FIELD OF VIEW||126⁰ (diagonal)|
|FOCUSING RANGE||0.275 m (0.9 ft) – ∞|
|FOCUSING TYPE||manual with lock function|
|APERTURE RANGE||f/4.0 – f/22|
|APERTURE CONTROL||via camera|
|APERTURE SHAPE||9 rounded blades|
|LENS CONSTRUCTION||16 elements in 10 groups|
|FRONT FILTER THREAD||no|
|REAR GELATIN FILTER SLOT||30 x 30 mm|
|AVAILABLE MOUNTS||Canon EF, Nikon F, Pentax K|
|DIMENSIONS (DXH)||118 x 103 mm (4.49” x 4.05”)|
|WEIGHT||730-790g (1.61 – 1.74 lbs)|
There will be two models and separated as the Irix Blackstone and Irix Firefly. Blackstone uses a durable aluminum and magnesium body and engraved markings. Blackstone weighs 790g (1.74 lbs). Firefly is lightweight and features an ergonomic focusing ring. Firefly weighs 730g (1.61 lb).
|Version of the lens||Firefly||Blackstone|
|HOUSING MATERIAL||lightweight materials for weight savings||aluminium-magnesium alloy, premium finish|
|HOUSING OUTER FINISHNG||standard||anti-scratch|
|FOCUSING RING MATERIAL||anti slip coating||all-metal anodized ring with grooved surface|
|METHOD OF APPLYING MARKINGS||printed||engraved|
|TYPE OF PAINT USED FOR MARKINGS||standard||UV light reacive paint|
|FRONT LENS ELEMENT||no||no|
|FOCUS LOCK RING||yes|
|PROTECTIVE CASE INCLUDED||soft lens pouch||hard lens case|
For more info, visit Irix website.