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Irix Linse 15mm f/2.4 Blackstone til Pentax

Name: Irix Linse 15mm f/2.4 Blackstone til Pentax
Brand: Irix
SKU: 4311
Price: 815 USD
Availability: InStock

Reference: 4311

815,00 $

Det ultrabreda, rektangulära manuella fokuseringsobjektivet designat för DSLR-kameror.

Med en brännvidd på 15 mm är detta objektiv idealiskt för utomhus- och inomhusfotografi.

Köp Irix 15mm f/2.4 Blackstone och få 60% rabatt på SNS-HDR programvara.

Irix Linse 15mm

815,00 $

Mængde:

Tilgængelig

Den optiske konstruktion af Irix Blackstone vidvinkelobjektivet er fremragende og opfylder de mest krævende krav fra moderne kameraer. 15 elementer i 11 grupper inkluderer tre elementer af højt brydningsglas og to af glas med ekstra lav dispersion. To asfæriske linser sikrer ekstremt høj billedkvalitet og forbedrer lysstyrken i kanterne, samtidig med at forvrængning og aberration minimeres.

Med en minimum fokuseringsafstand på 0,28 meter (0,92 ft) og 9 afrundede blændelameller giver objektivet usædvanligt bløde områder uden fokus.

Yderligere funktioner

Fokuslås giver dig mulighed for at låse fokusringen i en bestemt position, hvilket er særligt nyttigt, når du vil bevare et bestemt fokusplan, f.eks. ved astrofotografering eller brug af hyperfokal skala.
Klik ved uendelig muliggør præcis, nem og hurtig fokusering. Du vil kunne mærke det præcise punkt, hvor objektivet indstilles til uendelig – særligt nyttigt under svage lysforhold (f.eks. om natten).
Bageste gel-filterholder gør det muligt at bruge Neutral Grey-filtre, der monteres bag på objektivet – en unik funktion ved Irix 15mm f/2.4 og Irix 11mm f/4.0.
95mm frontfiltergevind gør det muligt at bruge skruefiltre som Irix Edge UV & Protector, Irix Edge Circular Polarizer, Irix Edge ND og Irix Edge Light Pollution-filter med flere.
Justeringsvindue til polariseringsfilter – modlysblænden har et skydevindue, der gør det muligt at rotere polariseringsfilteret frit uden at risikere snavs.
Kompatibel med Irix Edge IFH-100 filterholder – gør det muligt at udfolde din kreativitet med graduerede ND-filtre med forskellige overgange: Soft, Hard og Reverse.
Fokuskalibreringsvindue – på grund af fasedetektion i DSLR-kameraer kan det være nødvendigt at synkronisere objektivet med kameraet. Med denne specielle åbning kan du nemt kalibrere objektivet hjemme med grundlæggende værktøj på 5 minutter. Hurtigt, enkelt og effektivt!

Blackstone, premiumversionen, har et slidstærkt hus i aluminium-magnesiumlegering, som sikrer pålidelig beskyttelse af objektivet – selv under ekstreme forhold. Konstruktionen har fire gummitætninger, der beskytter kamerafatningen og fokuseringsmekanismen mod støv og fugt samt vandstænk forfra eller fra siden. Indgraverede, fluorescerende markeringer sikrer nem aflæsning og betjening under svage lysforhold.

Modstandsdygtig over for ekstreme forholdIrix-objektiver er produceret med ekstrem præcision. Hvert objektiv har en vejrforseglet konstruktion, som beskytter det indre mod støv og fugt. Takket være de indvendige tætninger er objektiverne også beskyttet mod utilsigtede vandstænk.

Intelligent objektivdesignIrix 15mm f/2.4 objektivet har et modul, som gør det muligt at styre blænden direkte fra kameraet, hvilket understøtter populære semi-automatiske funktioner (PASM) samt EXIF-dataregistrering.

Elektronikken i objektivet gør det også muligt at bruge fokusbekræftelsessystem – kameraet vil indikere korrekt fokus (enten med ikon i søgeren eller en lyd), hver gang du fokuserer korrekt – nemt og bekvemt!

Det er værd at bemærke, at Irix-objektiver har de korrekte korrektionsprofiler forudindlæst og læsbare i software som Adobe Lightroom og Adobe Photoshop, hvilket forbedrer din oplevelse yderligere.

Sættet indeholder:

Irix 15mm f2.4 Blackstone til Pentax
Modlysblænde
Frontdæksel
2 bagdæksler
Hård opbevaringstaske
Metalkasse

Ofte stillede spørgsmål (FAQ)

Her finder du svar på de mest stillede spørgsmål om vores produkter.

HVAD ER SYNSVINKLEN FOR IRIX 15MM F/2.4 BLACKSTONE OBJEKTIVET?

Irix 15mm f/2.4 objektivet giver en bred synsvinkel på 110 grader. Læs mere...

ER IRIX 15MM F/2.4 BLACKSTONE VEJRBESKYTTET?

Ja, dette objektiv har en robust vejrforseglet konstruktion, der beskytter mod fugt, støv og sand – ideel til krævende omgivelser. Læs mere...

HVAD ER BLÆNDEDETALJERNE FOR DETTE OBJEKTIV?

Objektivet har en hurtig f/2.4 blænde og 9 afrundede blændelameller for at give flot bokeh og skarpe billeder – selv i svagt lys. Læs mere...

KAN IRIX 15MM F/2.4 BRUGES MED BÅDE FULL-FRAME OG APS-C KAMERAER?

Ja, dette objektiv er designet til full-frame kameraer og er fuldt kompatibelt med APS-C-sensorer, hvilket giver fleksibilitet på tværs af kameratyper. Læs mere...

Reference 4311

Produktinformation

Fatning: Pentax K
Type: vidvinkel
Brændvidde: 15mm
Brændviddetype: objektiv med fast brændvidde
Filterdiameter: 95mm
Antal blændelameller: 9
Maksimal blænde: f/2.4
Minimal blænde: f/22
Sensorstørrelse: fuldformat
Linsekomposition: 15 elementer i 11 grupper
Mindste fokuseringsafstand: 0.25m
Fokustype: manuel
Stabilisering: nej
Størrelse (mm): 114 x 100mm
Vægt (kg): 0.635
Mærkninger: laserindgraveret, UV-reaktiv
Vejrforsegling: 4 gummi o-ringe
Afstandsskala på fokusring: metrisk
Bageste gel-filterholder: 30 x 30mm
Serie: Blackstone

WHAT IS THE FIELD OF VIEW FOR THE IRIX 15MM F/2.4 BLACKSTONE LENS?

The Irix 15mm f/2.4 lens provides a wide 110-degree field of view.

WHAT TYPE OF CAMERAS IS THIS LENS COMPATIBLE WITH?

This lens is designed for full-frame (35mm) cameras but is also compatible with APS-C sensor cameras, making it adaptable across different camera bodies with Pentax K mount.

IS THE IRIX 15MM F/2.4 BLACKSTONE WEATHER-SEALED?

Yes, this lens features robust weather-sealed construction that protects against moisture, dust, and sand, ideal for challenging environments.

WHAT ARE THE APERTURE DETAILS OF THIS LENS?

The lens features a fast f/2.4 aperture and includes 9 rounded aperture blades to deliver quality bokeh and sharp images even in low light conditions.

CAN THE IRIX 15MM F/2.4 BLACKSTONE LENS BE USED WITH BOTH FULL-FRAME AND APS-C CAMERAS?

Yes, this lens is designed for full-frame cameras and is also fully compatible with APS-C sensor cameras, providing flexibility across different camera bodies.

WHAT ARE THE DIFFERENCES BETWEEN THE FIREFLY AND BLACKSTONE VERSIONS OF THE IRIX 15MM F/2.4 LENS?

The Firefly version of the Irix 15mm is made with a lightweight composite construction and features a smooth rubber focus ring, while the Blackstone version is built with durable aluminum and magnesium alloy and includes engraved luminous markings for low light conditions.

WHAT IS THE MINIMUM FOCUSING DISTANCE OF THE LENS?

The minimum focusing distance for the Irix 15mm f/2.4 lens is 25cm, enabling close-up photography with expansive backgrounds.

DOES THE LENS SUPPORT ANY SPECIAL FOCUSING FEATURES?

The lens features an infinity click mechanism for precise focusing at infinity, ideal for astrophotography, along with a focus lock ring to secure your focus setting.

WHAT KIND OF OPTICAL DESIGN DOES THIS LENS HAVE?

This lens is constructed with 15 elements in 11 groups, including three high-refractive elements, two extra-low dispersion elements, and two aspherical lenses to minimize distortion and deliver high resolution across the entire frame.

ARE THERE ANY FILTER OPTIONS AVAILABLE WITH THIS LENS?

Unlike ultra-wide-angle lenses with bulbous front elements, Irix 15mm f/2.4 has a front filter thread of 95mm, allowing the use of screw-on filters which is highly beneficial for landscape photography.

HOW DURABLE IS THE LENS CONSTRUCTION?

Both versions of the lens, Firefly and Blackstone, are designed for durability. The Firefly version uses high-quality plastics, whereas the Blackstone features a more rugged aluminum and magnesium body.

WHAT ACCESSORIES ARE INCLUDED WITH THE LENS?

The Firefly version comes with a soft lens pouch, while the Blackstone version includes a hard case for enhanced protection.

HOW DOES THE LENS COMMUNICATE WITH THE CAMERA?

This lens includes a chip that communicates with the camera, supporting semi-automatic modes (PASM) and providing EXIF data for captured images.

IS THERE ANY SUPPORT FOR FOCUS CONFIRMATION?

Yes, the lens is equipped with a focus confirmation chip that aids in ensuring accurate focus through visual or auditory signals in the camera's viewfinder.

CAN I CALIBRATE THE FOCUS OF THIS LENS?

The lens features a focus calibration system that allows users to fine-tune the focus at home with simple tools, ensuring precision in focusing.


"I was incredibly surprised at the quality of the Irix and can easily say it is an excellent lens. Both of the “Firefly” and “Blackstone” versions are optically and mechanically sound. Their sharpness is fantastic, with distortion and vignetting very well controlled. There are no problems with chromatic aberration, and ghosting and flare are are kept in check. I really hope that TH-Swiss produce more lenses like this in future. The Irix 15mm f2.4 is produced for Canon EF, Nikon F and Pentax K mount." Read full review	"I think a purchase here will really depend on what your intended uses of the lens will be. Since you don't have the option for autofocus, it may be trickier for an events photographer, particularly if you're planning on shooting at wider apertures for such events. But if you're a landscape photographer, particularly if you shoot a lot of night skies or in low light conditions, then this would be a great lens for you. I'm telling you, the lock focus ring makes night shoots so incredibly smooth." Read full review	"While reviewing this lens, I was not being overwhelmingly convinced of its value proposition. But, when I started putting the Irix 15mm f/2.4 Blackstone Lens up against the comparables, I began to see it in a different light. It is not a perfect lens, and I would especially like to see the wide open corner image quality improved. But for the price, its value is easy to recognize. Getting a weather-sealed aluminum-magnesium lens barrel with decent image quality for a relatively low price puts this lens squarely on the consideration list. And for a new lens manufacturer, that is an impressive feat." Read full review

"The Irix 15mm combines impressive handling and build quality with superb image quality, at a bargain price. The only flaw in our review sample was the lack of exposure consistency." Read full review	"The Irix 15mm f/2.4 lens is a powerful photographic tool. This new lens from Irix lifts the performance for such lenses way beyond the first early 1970s offerings and gives us a lens that is free from flare, and very sharp. This Swiss design is an excellent one, built in Korea to very high standards." Read full review	"The Irix 15mm f/2.4 is an excellent super-wide-angle prime lens that delivers very good image quality. Sharpness in the centre of the frame is excellent throughout the aperture range, even wide open at f/2.4, with f/4-f/11 producing the best results. The edges of the frame aren't quite as sharp, but still very good." Read full review

"The build quality of the Firefly model of the lens is solid and robust. I don’t work that often in bad weather, so the extra weather sealing of the front element of the Blackstone is not quite so important. The Blackstone model is an all metal construction, so if you mistreat your kit, a bit more forgiving." Read full review	"I was extremely convinced with the lens, it is not a perfect lens, but when we talk about ultra wide lens, the perfection is almost impossible. If you’re looking for an ultra-wide angle rectilinear prime for landscapes, architectural and travel photography, the Irix 15mm f/2.4 Blackstone is an excellent value." Read full review	"Yes, there is lens(es) with better image quality but with triple price. I can easily say that Irix Firefly offers very good image quality in its price-range (approx. 450€ in Finland) and adding those new features like “Focus lock” and “Infinity click” makes it a solid performer. Highly recommended." Read full review

"Here we have the first lens by Swiss designers Irix (who manufacture in South Korea): a 15mm f/2.4 lens for full-frame cameras. It's manual-focus only, but seems to be reasonably good value for money, especially considering its very wide aperture of f/2.4. Let's see how it performs." Read full review	"Seriously, it’s like operating a point-and-shoot! There’s no messing about doing differential focus, just turn the focus ring until you feel the ‘click’ and take the shot – simple." Read full review	"It’s taken me a while to get an Irix lens in my hand, but I have to say I’m pretty impressed for this new company’s first “kick at the can”. The Irix 15mm f/2.4 (particularly in this Blackstone finish) comes across as a pretty mature offering" Read full review