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Harga Jual Vixen ED81S Refractor Telescope

STOK HABIS

Kode	:	ED81S
Berat	:	12000 gram
Stok	:	Habis
Kondisi	:	Baru
Kategori	:	Teleskop
Dilihat	:	4.571 kali
Review	:	Belum ada review

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Habis / ED81S

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Deskripsi Harga Jual Vixen ED81S Refractor Telescope

$Vixen Optics Reflector and Refracto Telescopes$

REFRACTOR TELESCOPES
Vixen has been making Refractor Telescopes for over 60 years. Light is collected through the objective lens to provide a consistently stable field of view. Vixen Refractor Telescopes store and handle easily which makes them a great choice for any astronomical observing. We are very excited to introduce the VSD 100 f/3.8 Astrograph Telescope for the Astrophotographer.

Select one of Vixen’s starter Telescope models, for excellent views of the moon and planets, or our top of the line ED115S Telescope, with a full 4.5″ aperture for detailed views of the night sky. Discover the redesigned NA140SSf triplet Telescope with Japanese glass optics or the AX103, quad design Telescope, for sharp images to the edges of the field of view. All Vixen Refractor Telescopes are covered by a Five Year Warranty.

VIXEN ED81S Refractor Telescope

Instant Rebate $325 on your purchase of Vixen ED81S Telescopes and Sphinx SX2 Mount. Offer ends April 30, 2015.

SD Glass Scope that travels with you. Vixen’s ED Achromatic Refractors feature “Super Low Dispersion Glass”

in the objective lens. The SD Glass in Vixen’s ED81S Refractor Telescope suppresses residual chromatic

aberration far under the threshold of visibility producing sharp, high contrast images for

both the visual observer and the astrophotographer. The ED81S Refractor Telescope features

fully multi coated SD Glass to deliver clear and high contrast viewing, virtually free of false color. .

The combination of better color correction from the new SD glass and brighter images from

its fast f/7.7 focal ratio will satisfy the most demanding visual astronomer or astro-photographer.

The new ED glass uses newly developed, environmentally friendly glass technology.

The optical tube is very stable yet light weight. Vixen’s new Dual Speed Focus,

now standard on the ED81 Refractor Telescope, provides fine focus adjustments for 1/7th speed focusing.

Specifications:

Optical Design	ED Apochromatic Refractor
Aperture	81mm
Focal Length	625mm
Focal Ratio	f/7.7
Coating	Multi Coating
Resolving Power	1.43 arc sec
Limiting Magnitude	11.3
Light Gathering Power	134x
Finder Scope	Optional
Focuser	Dual Speed
Back Focus (from rear edge of focuser body)	149.0mm
Back Focus with Reducer (from rear edge of reducer)	63.5mm
Adapter Thread	60mm/50.8mm
Astrophotography	Prime Focus, Eyepiece Projection & Afocal Imaging
Visual Back	Compression Ring
Optical Tube Length	23” (585mm)
Optical Tube Diameter	3.5” (90mm)
Outside Dew Shield Diameter	100mm
Optical Tube Weight	5.1lb
Accessories	Tube Rings;
Available Accessories	Flip Mirror Diagonal; Dovetail Plate; Red Dot Finder; Carry Handle