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Star analyser (100 ln/mm)
incl. 27% VAT
158.23 €
Including 27% VAT:
158.23 € (62 500 HUF)Net price (for non-EU customers):
124.59 € (49 213 HUF)
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Product code: StarAn100
Star analyser (100 ln/mm)
More about the product
Used like a conventional 1.25 inch filter, it is the ideal accessory for today's low cost astronomical imaging cameras, webcams and video cameras. * For example, with a telescope of just 80mm aperture and a simple unmodified webcam, the hidden characteristics of hundreds of stars down to magnitude +4 can be revealed. With a 200mm aperture and a sensitive long exposure CCD imager, the identification of bright Novae and Supernovae or even a measurement of the expansion of the universe from the redshift of a Quasar are possible.
* High quality transmission diffraction grating mounted in a standard 1.25 inch filter cell * Anti- reflection coated glass protects the grating surface * High efficiency 100 lines/mm blazed design * Simple to use - Screws into a camera eyepiece adapter like a normal filter * Spectrum direction marked on the filter cell. A locking ring maintains the orientation * Optimised for the small CCD sensors found in popular webcams, video and astro cameras. * Star and spectrum can be recorded in the same image, which aids identification and calibration * Grating distance can be adjusted if desired using spacer rings (purchased separately) * Can also be fitted to an eyepiece for visual useFEATURES:
Bánhidi's opinion
After a few weeks, months of usage
Optical quality
Mechanical quality
Price/Value ratio
Star analyser (100 ln/mm)
Pros
Egyszerű használat. DSLR objektívre rögzíthető foglalattal könnyen készíthetünk spektrumokat a csillagokról. CCD-re közvetlen csatlakoztatható. Én letöltöttem az ajánlott honlapról az egy hónapig használható demo szoftvert. Azzal kiválóan ki lehet értékelni a felvett spektrumokat.
Cons
—
Summary
Aki kíváncsi a fénybe kódolt “üzenetre” , (csillagok összetevői, radiális sebességük, helyük a HRD-n) ezzel az egyszerű eszközzel közelebb kerülhet hozzá.
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