William Optics ZenithStar 80mm II ED APO Doublet f/6.8 Refractor Telescope, Aluminum Case & 2" CF Dielectric Diagonal ZS80-ED-2DIE FREE S&H ZS80-ED-2DIE. William Optics Telescopes.

William Optics ZenithStar 80mm II ED APO Doublet f/6.8 Refractor Telescope, Aluminum Case & 2" CF Dielectric Diagonal ZS80-ED-2DIE w/ FREE UPS

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Availability Notice for ZS80-ED-2DIE - William Optics ZenithStar 80mm II ED APO Doublet f/6.8 Refractor Telescope, Aluminum Case & 2" CF Dielectric Diagonal ZS80-ED-2DIE

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William Optics ZenithStar 80mm II ED APO Doublet f/6.8 Refractor Telescope, Aluminum Case & 2" CF Dielectric Diagonal ZS80-ED-2DIE Product Info

$William Optics ZenithStar 80mm II ED APO Doublet f/6.8 Refractor Telescope, Aluminum Case & 2&qout; CF Dielectric Diagonal ZS80-ED-2DIE$ William Optics ZenithStar 80mm II ED APO Doublet f/6.8 Refractor Telescope, Aluminum Case & 2" CF Dielectric Diagonal ZS80-ED-2DIE on sale and available from our online store. OpticsPlanet, Inc is an Authorized US Distributor for William Optics Telescopes.

ZenithStar 80mm II ED APO. Doublet. F/6.8, 545mm comes with L-Based bracket, and Custom Aluminum Case. (Package Includes 2" Dielectric Diagonal).

Specifications of William Optics ZenithStar 80mm II ED APO Doublet f/6.8 Refractor Telescope, Aluminum Case & 2" CF Dielectric Diagonal ZS80-ED-2DIE:

Aperture	80mm
Focal Ratio	F/6.8
Focal Length	545mm
Objective Type	FPL-51 ED Glass, Doublet, Air Spaced, APO Fully Multi-Coated
Resolving Power	1.45"
Limiting Magnitude	11.3
Lens Shade	Retractable
Focuser	2" 360° Rotating Camera-angle Adjuster, 1:10 fine focus Focuser Travel Length 3.15" (80mm) 1.25" Adapter
1.25" Adapter	Brass Compression Rings
L- type Mount	L Bracket Based
Field Stops	10 Baffles
Tube Diameter	90mm
Tube Length	16.9" (430mm) Fully Retracted 19.7" (500mm) Fully Extended
Tube Weight
Case	Aluminium Case (Standard)
Case Dimensions (WxHxD)	22.4" x 12.6" x 8.3" (57cm x 32cm x 21cm) (Water Resistant)
Case Weight

·	Chromatic Aberration Graph
·	Spot Diagram

Features of William Optics ZenithStar 80mm II ED APO Doublet f/6.8 Refractor Telescope, Aluminum Case & 2" CF Dielectric Diagonal ZS80-ED-2DIE:
The newest ZenithStar II generation Doublet APO is a 80mm ED refractor ideal for everyone who needs an excellent back-up scope/ guiding scope at an excellent price, or a great first APO refractor, which you can use for planetary work, wide-field imaging, and crisp, high power observations...

Lens Design
• Doublet ED, using premimum Ohara FPL-51 Japanese glass, air spaced, in CNC machined ultra high precision lens cell.
• Each lens is Fully Multi-Coated with best in classanti-reflective coatings.

Low C.A.
• Fully baffled to block all extraneous off-axis light rays and prevent glancing reflections, increasing overall contrast.
• 80 mm clear aperture.

Nothing Left to Chance
• Fully CNC machined production, no plastic part used.
• Drawtube travel length 80 mm, with precision graduated scale.
• 1.25” adapter included.
• Brass Compression rings on the adapter: will not ruin your precious eyepieces!

Super Portable
• Retractable dewshield, for enhanced transportability.
• Only 2.8 kg. Perfect for piggybacking as guide scope.
• Optional rings, guiding rings and 0.8x field flattener/reducer are available!

Beautiful Anodizing
• Superior anodizing will not only give you a beautiful telescope, but also protect it by making the surface much harder than natural aluminum.
• Elegant blue finish, stylish like a designer product! It is particularly suited to be paired to SCTs as a guiding scope.

Wonderful WO Microfocuser
• William Optics 360-degree rotatable Crayford focuser, smooth and precise.
• Adjustable focuser tension.
• Super-smooth and reliable 1:10 micro focuser for fine focusing during astrophotography or visual observations alike.

Attention to Packaging
• Exclusive Aluminum carrying case included in the price.
• Water resistant case.
• Carry-on size: you do not have to leave your treasure home!
• Two-year, no fuss warranty and constant customer service!

Package Contents:

ZenithStar 80mm II ED APO Doublet f/6.8 Refractor Telescope, Aluminum Case & 2" CF Dielectric Diagonal

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