Irix 11mm f/4.0 Firefly for Fujifilm FinePix S3 Pro

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  • For Nikon F, APS-C and Full Frame
  • Weather sealed
  • Neutrino coating for minimum ghosting, CA and flare
  • Innovative Focus lock and infinity click
  • Lightweight ABS construction
Irix 11mm Firefly Nikon
SKU: 0713464498   MPN: IL-11FF-NF  EAN: 7640172190333

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This product is part of our selection of accessories for Fujifilm FinePix S3 Pro

This camera accessory has been chosen by experts as one of the compatible accessories for Fujifilm S3 Pro. Click on the link below to see the entire selection of items for your camera. There is also a serie of recommended items for Fujifilm FinePix S3 Pro, products we feel every photographer should include in his/her photo gear. Anything you need for your camera.

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Fujifilm FinePix S3 Pro Accessories



After the release of the 15mm lens, TH Swiss has wanted to go a step further and has created a new super wide angle lens, the Irix 11mm f/4 Firefly lens, a wide angle you will want to try out after learning about all it characteristics. 

Irix 11mm Firefly Nikon

Product features:

  • Angle of view of 126º and a focus distance of 0.275 m (0.9 ft)
  • Ergonomic focus ring, for more comfortable focusing
  • Clearly-labeled infinity position for the focus ring with a noticeable click-stop to make it easy to find, even in the dark
  • Ultra lightweight design, with weather sealed construction, to resist elements in the harshest conditions
  • 4 highly refractive lenses (HR), 2 ED lenses and 3 aspherical lenses guarantee minimal distortion, as low as 3.13%
  • Rear gelatin filter slot for 30x30mm filters lets you be even more creative

The Irix 11mm f/4 Firefly wide angle lens is equipped with a Nikon F mount and is compatible with both Full Frame and APS-C cameras. The biggest difference from the previous 15mm lens is its focal distance of 11mm, allowing you to get an even larger frame in your photo. Fixed focal lenses are considered by experts to be of a higher technical quality and this lens is no different.  With its amazing 126º angle of view, this lens will let you photograph much more than the majority of wide angle lenses on the market.

Irix 11mm Nikon

Because of these features, the Irix 11mm f/4 Firefly lens is ideal for landscape photography, nature, architecture, interior and astrophotography. As all Irix lenses, this new lens has also been designed with a sealed exterior. This may not always seem important, but in the long run, you will find that this extra protection againt moisture, dirt and dus is one of the features that makes the Irix lenses better than other brands. Put simply, it means this lens will last longer.

The Irix 11mm f/4 Firefly has an innovative Focus Lock, ideal for when you are working with longer exposures and you need to maintain the focus in the same position. One small movement and a whole day's work could be lost, but with this new innovation, you will keep your focus exactly where you want it. 

Irix 11mm Nikon

Irix's new jewel:

Irix 11mm Nikon
  • Weather sealed, usable even in extreme weather conditions
  • Inner seals also protect from accidental liquid splashes or spills
  • Perfect for photographers who need to work in all kinds of weather, rain or shine


Irix 11mm Nikon
  • Hyperfocal scale helps maximize depth of field
  • When setting the focusing ring to infinity, you will hear a noticeable "click", making it easy to find the position, even at night or when visibility is otherwise limited


Irix 11mm Nikon
  • Positive focus lock to maintain the chosen setting at any time
  • Ensures consistent focus settings for repetitive shots


Irix 11mm Nikon
  • 95mm front filter thread AND a rear gelatin filter slot for even more options
  • Filters can be cut by the photographer at 30x30mm



Irix 11mm Nikon

The 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 it absolutely unique in its class.


Irix 11mm Nikon

Irix 11mm Nikon

Additional Info

SKU 0713464498
Model IL-11FF-NF
Lens type Wide Angle
Sensor APS-C and Full-Frame
Camera mount Nikon
Minimum aperture f/22
Maximum aperture f/4.0
Fixed Focal Length 11 mm
Minimum focus distance 0,275 m
Lens structure (elements / groups) 16/10
Number of diaphragm blades 9
Number of aspheric elements 3
Number of low dispersion lenses 2
Number of elements with high refractive index 4
Angle of view 126 º
Approach Manual
Lens hood Yes
Protective cover Yes
Dimensions (Height x Diameter) 115 x 103 mm
Weight 723 g
Colour Black

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Irix 11mm f/4.0 Firefly for Fujifilm FinePix S3 Pro What's included

  • Irix Firefly 11mm
  • Lens Hood
  • Soft transport pouch