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William Optics ZenithStar 66 SD Doublet APO f/5.9
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William Optics ZenithStar 66 SD Doublet APO f/5.9

Item# WIOP026

Our Price: $368.00 to $448.00

Price varies based on options selected.

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Options Available
Color: Blue, White
Option: OTA Only, With 1.25 Inch Diagonal, With 2 Inch Diagonal

ZenithStar 66mm SD Doublet APO Refractor OTA - White, Package deal w/ 1.25-inch Dielectric Diagonal

A small-aperture but extremely portable APO scope at a great price? ZS 66 SD Doublet APO is here in three colors to fit all your needs! Sharp to the edge and color-free, no other scope will beat its price/quality ratio! Excellent mechanics and fit and finish, Crayford two-speed fine focuser, super-high transmission multi-coating, aluminum case. Fast focal ratio makes it your ideal fast setup for travel astrophotography or piggybacking.

LENS DESIGN

SD glass doublet air spaced, in CNC-machined ultra-high-precision lens cell. Each lens is fully multi-coated with a special super-high transmission coating (STM Coating) on all surfaces.

NOTHING LEFT TO CHANCE

Available in blue and orange! Fully CNC-machined production, no plastic part used. Drawtube travel length 63mm with graduated scale. Brass compression rings on the adapter: will not ruin your precious eyepieces!

SUPER PORTABLE

Retractable dewshield, smallest size ever and enhanced portability! SCT thread adapter to 1.25-inch eyepieces. Perfect for piggybacking as guide scope.

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. Can mount a WO 2-inch SCT star diagonal for 2-inch accessories usage. 2-inch adapter available for astrophotography.

WONDERFUL WO MICROFOCUSER

William Optics rotatable Crayford focuser, smooth and precise, ideal for astrophotography. 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. Optional soft carrying case available. Water-resistant. Carry-on size: you do not have to leave your treasure home! Two-year warranty and constant customer service!

Specifications

  • Aperture - 66mm

  • Focal Ratio - F/5.9

  • Focal Length - 388 mm

  • Objective Type - SD Doublet, Air Spaced, Fully Multi-Coated, STM coating

  • Resolving Power - 1.78"

  • Limiting Magnitude - 10.8

  • Lens Shade - Retractable

  • Focuser - 1.6-inch (40.6 mm) Crayford Focuser Adjuster, 1:10 fine focus 60 mm (2.4-inch) Focuser Travel Length Rotatable Design

  • 1.25-inch Adapter - Brass Compression Rings

  • L-type Mount - L Bracket Based

  • Field Stops - 10 Baffles

  • Tube Diameter - 2.95-inch (75 mm)

  • Tube Length - 11.8-inch (300 mm) Fully Retracted 14.2-inch (360 mm) Fully Extended

  • Tube Weight - 3.5 lbs. (1.7 kg)

  • Case - Aluminium Case (Standard)

  • Case Dimensions - 15W x 6.5D x 9.6H inches

  • Case Weight - 3.7 lbs. (1.6 kg)

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