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

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  • Irix Blackstone for Pentax K , APS-C and Full Frame
  • Wide Angle with excellent optics with Neutrino coating
  • Absolute innovation: Focus lock
  • Fluorescent markings for low light conditions
  • Resistant magnesium and aluminium alloy body>
  • Rigid transport pouch included
  • Sealed protection against dust and humidity
SKU: 0713043557   MPN: IL-15BS-PK  EAN: 7640172190067

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This product is part of our selection of accessories for Pentax K-5

You are viewing a product in the section of products selected for Pentax K-5. A selection of articles put together by our professionals, specially for this camera. If you want to use your camera to the maximum, you really need to visit our selection of items for your camera: memory cards, filters, tripods, lenses, batteries, etc.

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Pentax K-5 Accessories

Description

Details

Irix has combined 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 Blackstone lens, compatible with Pentax K. A new practical and professional way of working, a lens designed by engineers that will not leave you indifferent.

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

The Irix 15mm Blackstone for Pentaxis 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.

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

 

Product details:

  • Neutrino coating for minimum ghosting, chromatic aberrations and flares and maximum sharpness and contrast
  • Durable metal construction
  • Fluorescent engravings, ideal for night photography
  • 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
  • 9 rounded shaped blades for a beautiful bokeh effect
  • Ideal for landscape, architectural and even interior photography

 

 

Irix has created its Blackstone 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 Blackstone Wide Angle lens for Pentax. 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 for Nikon have 9 rounded aperture blades, perfect for narrow depth of field and  beautiful bokeh images.

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

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:

Irix 15mm f/2.4 Blackstone Wide Angle for Pentax K-5
  • 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

 

Irix 15mm f/2.4 Blackstone Wide Angle for Pentax K-5
  • 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

 

Irix 15mm f/2.4 Blackstone Wide Angle for Pentax K-5
  • Focus lock to lock the chosen settings at any time
  • This will ensure that the focal distance will remain where you choose

 

Irix 15mm f/2.4 Blackstone Wide Angle for Pentax K-5
  • Fluorescent markings: designed with special UV fluorescent paint
  • Use the Blackstone in low light situations and see the information on the lens
  • Ideal for night photography

 

Irix 15mm f/2.4 Blackstone Wide Angle for Pentax K-5
  • 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

 

Irix 15mm f/2.4 Blackstone Wide Angle for Pentax K-5
  • 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 or ND faders for example

 

Irix Firefly or Blackstone? Which one is for you?

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

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

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

Additional Info

General
SKU 0713043557
Model IL-15BS-PK
Lens
Lens type Super Wide Angle
Features
Sensor Full Frame / APS-C
Camera mount Pentax
Minimum aperture f/22
Maximum aperture f/2.4
Focal distance 15
Fixed Focal Length 15 mm
Minimum focus distance 0,28 m
Lens structure (elements / groups) 15/11
Number of diaphragm blades 9
Number of aspheric elements 2
Number of low dispersion lenses 2
Number of elements with high refractive index 3
Diameter mmm 95 mm
Angle of view 110º
Angle of view horizontal 99.8º
Angle of view vertical 76.8º
Approach Manual
Lens hood Yes
Dimensions (Height x Diameter) 114 x 100 mm
Colour Black

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Irix 15mm f/2.4 Blackstone Wide Angle for Pentax K-5 What's included

  • Irix 15mm f/2.4 Blackstone lens for Pentax
  • Rigid transport pouch