Irix 15mm f/2.4 Firefly Wide Angle for Pentax K-5 II

Irix is the perfect combination between European design and Corean precision. This is why this new brand offers maximum quality products, great functionality with a minimalistic design, all features which separate them from the other brands on the market. We present the new Wide Angle Irix 15mm f/2.4 Firefly lens, compatible with Pentax K mount. A new practical and professional way of working, a lens designed by engineers that will not leave you indifferent.

The Firefly 15mm is a super wide angle lens that will allow you to include much more of the scenery than the lens you are currently working with, no detail will be left out, which is why it is the perfect lens for landscape photography, architectural photography and even interior photography. The results are impressive. The hyperfocal scale is also fundamental to instantly improve your work, it will give you precise information about the range of the depth of field. This lens is  very versatile and will always adapt itself to every situation, it has a minimum focus distance of 0.28m to be able to highlight up to the smallest detail.

Product details:

• Neutrino coating for minimum ghosting, chromatic aberrations and flares and maximum sharpness and contrast
• 15 elements in 11 groups for extremely high image quality
• Focus lock allowing you to lock the chosen settings at any time
• Weather Sealed and resistant  construction for use in even the harshest weather conditions
• Hyperfocal distance scale for precise information about the range of depth of field
• Compatible with APS-C and Full frame sensors
• "Infinity" position for the focus ring with a noticeable "click" to make it easy to find without looking
• Minimum focus distance of 0.28m
• Ergonomic focusing ring for faster focus
• 9 rounded shaped blades for a beautiful bokeh effect
• Ideal for landscape, architectural and even interior photography

Irix has created its Firefly lens with a resistant weather sealed construction so you can use it in all weather conditions, even the harsh ones. Thanks to the inner seals, the Irix lenses are also protected from accidental water splashes. This makes this lens into the perfect glass for photographers who want to work in every possible situation.

Let's take a look at the optical construction of the Irix Firefly Wide Angle lens. First of all, the Irix 15mm has been constructed meeting the most demanding requirements of modern cameras. The lens consists of 15 elements in 11 groups. Three elements of High refractive glass and two of Extra-low dispersion glass. There are also two Aspherical lenses included. These lenses are what gives this lens its high image quality and also improves the image brightness at edges all while minimizing distorsions and aberrations. The Irix 15mm wide angles have 9 rounded aperture blades, perfect for narrow depth of field and  beautiful bokeh images.

Thanks to all of the above, you will always obtain professional results, sharp images and with a high contrast, as these elements will reduce chromatic aberrations, flares and ghosting to a minimum. This lens is ready to meet the requirements of the 50+ megapixel sensor of the newest cameras.

Innovative technology:

Irix has decided to combine capabilities specific to analogue photography with ingenious technology and solutions, making this lens the ideal lens for both professionals and hobbyists. These are some its innovative features:

• Weather sealed, resistant to extreme weather conditions
• Inner seals also protect from accidental water splashes
• Perfect for photographers who need to work in all kinds of weather, rain or shine

• The Hyperfocal scale gives information about the ranges of depth of field
• When setting the focusing ring to "Infinity", you will hear a noticeable "click", therefore making it easy to find the position without looking
• Ideal for nighttime photography when visibility is limited

• Focus lock to lock the chosen settings at any time
• This will ensure that the focal distance will remain where you choose

• The Irix lens has a 95mm front filter thread, but there is also a rear gelatin filter slot for even more options
• Filters can be cut by the user himself in 30x30mm

• The Irix lens has a 95mm front filter thread, and the lens hood is mounted around the lens, englobing the filter.
• What makes this lens different is that you can access the filters through the lens hood thanks to the small window (shown closed in the image)
• Ideal for when you are working with circular polarizers for example

Firefly or Blackstone? Which one is yours?

If you want to take a look at the Irix 15mm Blackstone for Pentax K, click here