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 | |
WEATHER SEALING |
FRONT LENS ELEMENT | no | no |
FOCUS LOCK RING | yes | ||
FOCUSING RING | yes | ||
CAMERA MOUNT | yes | ||
PROTECTIVE CASE INCLUDED | soft lens pouch | hard lens case |
For more info, visit Irix website.