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Kargo bedava, 1.250-TL ve üzeri siparişlerde
Ömür Boyu Levenhuk Garantisi Ayrıntılara bakın

Apochromatic refractor optical tube. Aperture: 120mm. Focal length: 900mm

Renk Base color
KDV dahil
KARGO BEDAVA, 1250-TRY ve üzeri siparişlerde
Fiyat yalnızca çevrimiçi mağaza için geçerlidir ve perakende mağazalarındaki fiyatlardan farklı olabilir.
Uygunluk
Teknik Özellikler
Tüm spesifikasyonlar

The additional aperture of this telescope provides a dramatic increase in resolution and a heightened sense of seeing lunar and planetary surface phenomenon in seemingly 3D-like high-definition. Tight globular star clusters like M13 in constellation Hercules appear like a beehive of crisp stellar pinpoints, star upon thousands of stars deep into the objects core. In deep-space, rich aggregates of stars within galaxies, nebulas, and open clusters appear brilliant contrasted against a very dark velvet black background. The wispy, delicate, featherlike structure of dust lanes and extension of glowing gasses can be seen reaching out far beyond the object’s core.

Metallic high-transmission lens coatings

Each air-to-glass lens surface has exotic anti-reflection metallic coatings applied to ensure optimum light through-put of approaching 99.5%. The proprietary Sky-Watcher “Metallic High-Transmission Coatings” (MHC) are the finest photon anti-rejection coatings in their class.

Light-baffled optical systems

The objective lens cell is light-baffled to reject stray, unfocused light. The draw tube is likewise baffled to ensure optimum contrast. The tube interior is flat blackened to help prevent unfocused internal light reflections from reaching the focal plane.

Precision 2" dual speed Crayford focuser as standard

Optical focus is achieved by means of a mechanically ultra-smooth, backlash-free, precision 2" dual speed Crayford focuser-assembly. This focuser offers fine and ultra-fine focusing adjustments.

Tube materials

The optical tube material is rolled steel, powder-coated reflective gloss black with gold fleck accent. The front and back cells are cast-aluminum painted white, or black.

Telescope tube attachment hardware

The optical tube comes with attachment hardware that allows it to be securely fastened to any Sky-Watcher mount. The quick-release tube rings provided with BK120ED are cast aluminum, painted white.

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