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Irix 150mm f/2.8 Macro 1:1 Dragonfly lens for Pentax K mount offers precise manual focus, weather sealing, and excellent optical performance for macro photography.
Irix 150mm f/2.8 Macro 1:1 Dragonfly Pentax IL 150DF PK
Product ID: 19876
SKU: 19876
Model: IL 150DF PK
Ean: 7640172191187
Condition: New product
Manufacturer: Irix Lens
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| Lens mount | Pentax K |
| Lens Format Coverage | Full Frame |
| Lens Design | Prime Lenses |
| Lens focus length, mm | 150 |
| Focus Type | Manual Focus |
| Image Stabilization | No |
| Lens type | Macro |
| Maximum Aperture | f/2.8 |
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Product details
High-Quality Macro Lens for Full Frame Cameras
The Irix 150mm f/2.8 Macro 1:1 Dragonfly lens is designed for full frame cameras with Pentax K mount, also available for Nikon F and Canon EF mounts. It offers a 150mm focal length and a 1:1 reproduction scale, ideal for comfortable close-up photography of small objects. The longer focal length allows photographers to maintain a greater distance from the subject, preventing shadows and enabling the use of dedicated lighting equipment.
Optical and Mechanical Features
- Fast maximum aperture of f/2.8 for shorter exposure times and excellent background blur.
- 11 rounded aperture blades maintain a circular shape throughout the aperture range, enhancing bokeh quality and reducing diffraction when stopped down.
- Manual focus with a wide rubberized focus ring featuring a 270-degree rotation for precise focusing control.
- Focus Lock ring allows locking the focus at a desired position for stability.
- Internal focusing system (IF) ensures the lens does not change size during focusing, maintaining compactness and sealing.
- Sealed at critical points including the front element, focus lock ring, focusing ring, and bayonet mount, making it weather-resistant against fog, rain, and snow.
- Durable Dragonfly finish combines an aluminum-magnesium alloy frame with composite elements, providing lightness, solidity, and mechanical strength.
Advanced Optical Design
- 12 optical elements arranged in 9 groups.
- Includes 3 super-low dispersion (ED) glass elements and 4 high refractive index (HR) glass elements.
- Optical construction achieves near-zero distortion at approximately 0.1%.
Compatibility and Control
- Compatible with 35mm full frame and smaller sensors.
- CPU enables aperture control from the camera body and supports semi-automatic exposure modes (PASM).
- Focus confirmation available through the camera.
- Exposure data can be recorded in EXIF format.
Included Accessories
- Deep detachable lens hood to block side light and protect the front element.
- Rigid lens case for safe transport and storage.
- Detachable tripod collar with Arca-Swiss standard for secure tripod mounting and balanced weight distribution.
Technical Specifications
- Focal length: 150 mm
- Maximum aperture: f/2.8
- Minimum aperture: f/32
- Field of view (diagonal): 16°
- Minimum focusing distance: 0.345 m
- Magnification ratio: 1:1
- Focus type: Manual with 270° rotation and focus lock
- Aperture blades: 11 rounded blades
- Lens construction: 12 elements in 9 groups (4 HR, 3 ED)
- Filter size: 77 mm
- Dimensions (without tripod collar and lens hood): 87 x 135 mm
- Weight: 840 g
- Mount: Pentax K
- Weather sealing: Front element (1 O-ring), focus lock ring and focusing ring (3 O-rings), bayonet mount (1 O-ring)
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