Irix 150mm f/2.8 Macro 1:1 Dragonfly objektiv za Pentax

ZNAČAJKE:

K-Mount Lens/Full-Frame Format
Aperture Range: f/2.8 to f/32
Neutrino Coating
1:1 Magnification, 1.1' Minimum Focus
Manual Focus Design with Focus Lock
Depth of Field and Focus Distance Scales
Dragonfly Weather-Sealed Construction
Rounded 11-Blade Diaphragm

Optimized for close-up shooting, the Pentax K-mount 150mm f/2.8 Macro 1:1 from Irix is a medium telephoto prime featuring a life-size 1:1 maximum magnification and a 1.1' minimum focusing distance for photographing nearby subjects. A bright f/2.8 maximum aperture enables working in a variety of lighting conditions and also offers greater control over depth of field for isolating subject matter. The 12 element, nine group optical design features a Neutrino coating, which helps to suppress lens flare and ghosting in order to achieve higher contrast and color accuracy when working in strong lighting conditions.

Complementing the optical assets is a robust physical construction, dubbed Dragonfly, which incorporates extensive weather sealing to guard against dust and moisture. This manual focus lens also features printed focus distance and depth of field scales to benefit fast and accurate focusing, and a rounded 11-blade diaphragm contributes to a smooth bokeh quality. Additionally, the included tripod collar has an Arca-type compatible foot for seamless compatibility with a variety of tripod heads.


Medium telephoto prime is designed for Pentax K-mount cameras, however is also suitable for APS-C models where it will provide a 225mm equivalent focal length.
Bright f/2.8 maximum aperture suits working in a variety of lighting conditions and also affords greater control over depth of field.
Ideal for macro shooting, this lens offers a life-size 1:1 maximum magnification along with a minimum focusing distance of 1.1' to suit working with close-up subjects.
A Neutrino coating has been applied to limit lens flare and ghosting for improved contrast and color fidelity.
Manual focus design is benefitted by a positive focus lock mechanism to secure your focus position at any point to limit unwanted shifting of focus.
Depth of field scale benefits using hyperfocal and pre-focus techniques.
Included tripod collar features an Arca-type compatible foot for greater tripod head compatibility.
Dragonfly finish incorporates weather sealing to guard against dust and moisture.
Rounded 11-blade diaphragm contributes to a pleasing bokeh quality.

SPECIFIKACIJE:

Performance
Focal Length 150mm
Aperture Maximum: f/2.8
Minimum: f/32
Camera Mount Type Pentax K
Format Compatibility 35mm Film / Full-Frame Digital Sensor
Angle of View 16°
Minimum Focus Distance 13.58" / 34.5 cm
Magnification 1.0x
Maximum Reproduction Ratio 1:1
Optical Design 12 Elements in 9 Groups
Diaphragm Blades 11, Rounded
Features
Image Stabilization None
Autofocus No
Tripod Collar Yes Removable - rotating
Physical
Filter Thread Front: 77 mm
Dimensions (DxL) 3.43 x 5.31" / 87 x 135 mm
Weight 1.85 lb / 840 g

UKLJUČUJE:

IRIX 150mm f/2.8 Macro 1:1 Lens for Pentax K
Front Lens Cap
Rear Cap for Pentax K-Mount Lenses
Lens Hood
Tripod Collar
Hard Lens Case