Irix - 11mm f/4.0 Blackstone Lens for Pentax DSLR Cameras - Manual Focus
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About this product
The Irix 11mm f/4.0 Blackstone Lens for Pentax DSLR Cameras is a high-quality, professional-grade manual focus lens designed for photographers seeking superior image quality and sharpness. This innovative lens features an ultra-wide full-frame rectilinear design with an expansive angle of view of 126.5 degrees, making it an unbeatable tool for landscape, architecture, nightscape, and extreme photography.Constructed with four high refractive lenses, two Extra-low Dispersion (ED) lenses, and three aspherical lenses, this lens ensures minimal distortion of just 3.13%, a unique feature in its class. The Irix 11mm lens is versatile and durable, boasting a solid aluminum alloy construction that is specially sealed for weather and dust resistance.The lens also incorporates a Focus Lock system and an Infinity Click feature, providing photographers with absolute control over their work. The rear filter slot accommodates 30x30mm gel filters, offering additional creative possibilities. The lens does not have front threads for a filter, emphasizing its sleek design.The Blackstone version of the Irix 11mm lens features UV reactive markings, all engraved with UV fluorescent paint that glows under a UV flashlight, making it an ideal choice for night photography. Compatible with both full-frame and APS-C sensors, this fixed focal lens delivers higher technical quality than wide-angle zoom lenses, encouraging photographers to seek the best frame for each shot. Whether you're a landscape, nature, architecture, interior, or astrophotographer, the Irix 11mm f/4.0 Blackstone Lens for Pentax DSLR Cameras offers a level of versatility and durability that stands out in the market.
Features
SUPERIOR IMAGE QUALITY
Experience exceptional sharpness and clarity with 16 elements in 10 groups, including aspherical and ED glass, minimizing distortion and aberrations for stunning visuals.
ULTRA
WIDE PERSPECTIVE - Capture expansive scenes with the 11mm focal length, offering a remarkable 126° angle of view, perfect for landscapes, architecture, and immersive photography.
ROBUST BLACKSTONE BUILD
The durable Blackstone construction ensures reliability in various shooting conditions, protecting the lens elements while providing a premium tactile experience.
PRECISE MANUAL FOCUS
Achieve pinpoint focus with the manual focus system, allowing for creative control and precise adjustments to capture your vision with exceptional accuracy.
OPTIMIZED APERTURE CONTROL
Fine-tune depth of field with an aperture range of f/4 to f/22, providing versatility for both shallow focus portraits and landscapes with extensive sharpness.
Specifications
- Lens Mount CompatibilityPentax K-MountLens TypeUltra-Wide Angle ZoomMinimum Focal Length11 millimetersMaximum Focal Length11 millimetersMaximum Aperturef/4
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The Irix 11mm f/4.0 Blackstone Lens for Pentax DSLR Cameras is a high-quality, professional-grade manual focus lens designed for photographers seeking superior image quality and sharpness. This innovative lens features an ultra-wide full-frame rectilinear design with an expansive angle of view of 126.5 degrees, making it an unbeatable tool for landscape, architecture, nightscape, and extreme photography.Constructed with four high refractive lenses, two Extra-low Dispersion (ED) lenses, and three aspherical lenses, this lens ensures minimal distortion of just 3.13%, a unique feature in its class. The Irix 11mm lens is versatile and durable, boasting a solid aluminum alloy construction that is specially sealed for weather and dust resistance.The lens also incorporates a Focus Lock system and an Infinity Click feature, providing photographers with absolute control over their work. The rear filter slot accommodates 30x30mm gel filters, offering additional creative possibilities. The lens does not have front threads for a filter, emphasizing its sleek design.The Blackstone version of the Irix 11mm lens features UV reactive markings, all engraved with UV fluorescent paint that glows under a UV flashlight, making it an ideal choice for night photography. Compatible with both full-frame and APS-C sensors, this fixed focal lens delivers higher technical quality than wide-angle zoom lenses, encouraging photographers to seek the best frame for each shot. Whether you're a landscape, nature, architecture, interior, or astrophotographer, the Irix 11mm f/4.0 Blackstone Lens for Pentax DSLR Cameras offers a level of versatility and durability that stands out in the market.

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| Pros for Irix - 11mm f/4.0 Blackstone Lens for Pentax DSLR Cameras - Manual Focus | |||
|---|---|---|---|
| There were no pros for this product— | Sharpness | Image Quality, Aperture, Versatility, Low Light Performance, Zoom | Image Quality, Aperture, Price, Ease of use, Size |
| Cons for Irix - 11mm f/4.0 Blackstone Lens for Pentax DSLR Cameras - Manual Focus | |||
| There were no cons for this product— | There were no cons for this product— | Weight, Price | Chromatic Aberration |
Specs
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