+1-800-504-5813 Contact Us Check Order Status
About Us Policies
Free Shipping & Free Returns*

EXPEDITED SHIPPING on Over 250,000 Products

Shop now and get Free Value Shipping on most orders over $49 to the contiguous 48 states, DC, and to all U.S. Military APO/FPO/DPO addresses.

Enjoy our FREE RETURNS

We want to ensure that making a return is as easy and hassle-free as possible! If for any reason you are not satisfied with your purchase, simply return the item within 30 days of receipt, and we'll cover the cost of return shipping. Learn more about our Return Policy.

  • Entire Store
  • ...
  • Apparel & Footwear
  • Astronomy
  • Business
  • Eyewear
  • Fun Gifts & Other
  • Gun Accessories
  • Hobbies
  • Hunting
  • Lab & Science
  • Law Enforcement
  • Military Gear
  • Outdoor Gear
  • Photo Gear
  • Sports
TIP
Shopping Cart

William Optics ZenithStar 66mm SD Doublet APO Refractor Telescope w/ 2 Speed OTA ( White Tube ) with 2" Dielectric Diagonal ZS66-SD-W-P2

William Optics ZenithStar 66mm SD Doublet APO Refractor Telescope w/ 2 Speed OTA ( White Tube ) with 2'' Dielectric Diagonal ZS66-SD-W-P2
William Optics ZenithStar 66mm SD Doublet APO Refractor Telescope w/ 2 Speed OTA ( White Tube ) with 2" Dielectric Diagonal ZS66-SD-W-P2
William Optics ZenithStar 66mm SD Doublet APO Refractor Telescope w/ 2 Speed OTA ( White Tube ) with 2" Dielectric Diagonal ZS66-SD-W-P2
William Optics ZenithStar 66mm SD Doublet APO Refractor Telescope w/ 2 Speed OTA ( White Tube ) with 2" Dielectric Diagonal ZS66-SD-W-P2
William Optics ZenithStar 66mm SD Doublet APO Refractor Telescope w/ 2 Speed OTA ( White Tube ) with 2" Dielectric Diagonal ZS66-SD-W-P2
William Optics ZenithStar 66mm SD Doublet APO Refractor Telescope w/ 2 Speed OTA ( White Tube ) with 2'' Dielectric Diagonal ZS66-SD-W-P2
1 of 5 images
William Optics ZenithStar 66mm SD Doublet APO Refractor Telescope w/ 2 Speed OTA ( White Tube ) with 2'' Dielectric Diagonal ZS66-SD-W-P2
William Optics ZenithStar 66mm SD Doublet APO Refractor Telescope w/ 2 Speed OTA ( White Tube ) with 2" Dielectric Diagonal ZS66-SD-W-P2
2 of 5 images
William Optics ZenithStar 66mm SD Doublet APO Refractor Telescope w/ 2 Speed OTA ( White Tube ) with 2" Dielectric Diagonal ZS66-SD-W-P2
William Optics ZenithStar 66mm SD Doublet APO Refractor Telescope w/ 2 Speed OTA ( White Tube ) with 2" Dielectric Diagonal ZS66-SD-W-P2
3 of 5 images
William Optics ZenithStar 66mm SD Doublet APO Refractor Telescope w/ 2 Speed OTA ( White Tube ) with 2" Dielectric Diagonal ZS66-SD-W-P2
William Optics ZenithStar 66mm SD Doublet APO Refractor Telescope w/ 2 Speed OTA ( White Tube ) with 2" Dielectric Diagonal ZS66-SD-W-P2
4 of 5 images
William Optics ZenithStar 66mm SD Doublet APO Refractor Telescope w/ 2 Speed OTA ( White Tube ) with 2" Dielectric Diagonal ZS66-SD-W-P2
William Optics ZenithStar 66mm SD Doublet APO Refractor Telescope w/ 2 Speed OTA ( White Tube ) with 2" Dielectric Diagonal ZS66-SD-W-P2
5 of 5 images
William Optics ZenithStar 66mm SD Doublet APO Refractor Telescope w/ 2 Speed OTA ( White Tube ) with 2" Dielectric Diagonal ZS66-SD-W-P2

Tap Tap to Zoom

Product No Longer Available

Unfortunately William Optics ZenithStar 66mm SD Doublet APO Refractor Telescope w/ 2 Speed OTA ( White Tube ) with 2" Dielectric Diagonal ZS66-SD-W-P2 is not listed by OpticsForYou.You can also explore other items in the Telescopes yourself to try and find the perfect replacement for you!

Product Info for William Optics ZenithStar 66mm SD Doublet APO Refractor Telescope w/ 2 Speed OTA ( White Tube ) with 2" Dielectric Diagonal ZS66-SD-W-P2

The William Optics ZenithStar 66mm SD Doublet APO Refractor Telescope w/ 2 Speed OTA ( White Tube ) with 2" Dielectric Diagonal ZS66-SD-W-P2 is here at Opticsforyou.com and as usual we offer unbelievable prices !image

Purchase your new William Optics ZenithStar 66mm SD Doublet APO Refractor Telescope w/ 2 Speed OTA ( White Tube ) with 2" Dielectric Diagonal ZS66-SD-W-P2 from Opticsforyou.com today and you will appreciate the easy checkout process, fantastic customer service, Free Shipping policy and information on easily tracking your order.

William Optics ZenithStar 66mm SD Doublet APO Refractor Telescope w/ 2 Speed OTA ( White Tube ) with 2" Dielectric Diagonal ZS66-SD-W-P2 on sale and available from our online store. OpticsPlanet, Inc is an Authorized US Distributor for William Optics Telescopes.

Doublet SD APO (ZenithStar 66). F/5.9, 388mm come with L-Based bracket, and Custom Aluminum Case. (W/2 speed microfocuser) (Package includes 2" SCT Dielectric Diagonal).

Specifications of William Optics ZenithStar 66mm SD Doublet APO Refractor Telescope w/ 2 Speed OTA ( White Tube ) with 2" Dielectric Diagonal ZS66-SD-W-P2:

Aperture 66mm
Focal Ratio F/5.9
Focal Length 388mm
Objective Type SD Doublet, Air Spaced,

Fully Multi-Coated, STM Coatings
Resolving Power 1.78"
Limiting Magnitude 10.8
Lens Shade Retractable
Focuser 1.6" (40.6mm) Crayford Focuser

Adjuster, 1:10 Fine Focus

63mm (2.5") Focuser Travel Length

Rotatable Focuser Design
1.25" Adapter Brass Compression Rings
L- type Mount L Bracket Based
Field Stops 10 Baffles
Tube Diameter 2.95" (75mm)
Tube Length 11.8" (300mm) Fully Retracted

14.2" (360mm) Fully Extended
Tube Weight 3.5lbs. (1.61kg)
Case Aluminium Case (Standard)
Case Dimensions

(WxHxD)

 15" x 9.6" x 6.5"

(38.5cm x 24.5cm x 16.5cm)
Case Weight 3.5lbs. (1.6kg)
· Chromatic Aberration Graph
· Spot Diagram

Features of William Optics ZenithStar 66mm SD Doublet APO Refractor Telescope w/ 2 Speed OTA ( White Tube ) with 2" Dielectric Diagonal ZS66-SD-W-P2:

A small-aperture but extremely-portable APO scope at a GREAT price? ZS 66 SD Doublet APO is here to fit all your needs! At a BARGAIN PRICE !!!

Sharp to the edge and color free, no other scope will beat it's price/quality ratio! Excellent mechanics and fit and finish, Crayford 2-speed fine focuser, super-high transmission multi-coating, aluminum case. Fast focal ratio makes it your ideal fast set-up for travel astrophotography or piggybacking.

Lens Design

• SD glass (Japanese Ohara 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.

Low C.A.

• Fully baffled to block all extraneous off-axis light rays and prevent glancing reflections, increasing overall contrast.

• 66 mm clear aperture.

• Glossy metallic paint in blue and white: differently from anodizing does not easily gets fingerprints.

Nothing Left to Chance

• Perfect for EAZY-T Alt-Az Mount. You can slide it directly into the mount without a plate if you like.

• Fully CNC machined production, no plastic part used.

• Drawtube travel length 63 mm with graduated scale.

Super Portable

• Retractable dewshield, smallest size ever and enhanced portability!

• SCT thread adapter to 1.25” eyepieces with anti-marring brass compression ring.

• Can mount a WO 2” SCT star diagonal for 2” accessories usage.

Astrophotography super-apo

• Fast focal ratio for bright, high-quality astro-imaging.

• Dedicated field reducer/flattener available.

• 2" adapter available for astrophotography.

• Perfect for piggybacking as guide scope. Consider William-Optics new guiding rings!

Wonderful WO Microfocuser

• William Optics rotatable Crayford focuser, smooth and precise, ideal during astrophotography.

• Adjustable focuser tension.

• Super-smooth and reliable 1:10 micro focuser for fine focusing during imaging and visual observations alike.

Attention to Packaging

• Exclusive aluminum case or soft carrying bag included in the price.

• Water resistant.

• Carry-on size: you do not have to leave your treasure home!

• Two-year, no fuss warranty and constant customer service!

Package Contents:

  • ZenithStar 66mm SD Doublet APO Refractor Telescope w/ 2 Speed OTA ( White Tube ) with 2" Dielectric Diagonal

Related Products to William Optics ZenithStar 66mm SD Doublet APO Refractor Telescope w/ 2 Speed OTA ( White Tube ) with 2" Dielectric Diagonal ZS66-SD-W-P2

Image of Tasco 60x700mm SpaceStation Refractor AZ Red Dot Finderscope Tasco 60x700mm SpaceStation Refractor AZ Red Dot Finderscope List: $155.95 $129.95 Save 17%
Image of Celestron Starsense Explorer DX 130mm Reflector Telescopes Celestron Starsense Explorer DX 130mm Reflector Telescopes List: $649.95 $494.49 Save 24%
Image of Sky Watcher 16in. Flextube 400P SynScan GoTo Collapsible Dobsonian S11840 Sky Watcher 16in. Flextube 400P SynScan GoTo Collapsible Dobsonian S11840 $5,200.00
Image of Celestron CPC Deluxe 1100 HD Computerized Telescope Celestron CPC Deluxe 1100 HD Computerized Telescope List: $7,148.95 $5,499.00 Save 23%
Image of Celestron Origin Intelligent Home Observatory Telescope Set Celestron Origin Intelligent Home Observatory Telescope Set List: $5,198.95 $3,999.00 Save 23%
Image of Sky Watcher 12in .Flextube 300P SynScan GoTo Collapsible Dobsonian Telescope S11820 Sky Watcher 12in .Flextube 300P SynScan GoTo Collapsible Dobsonian Telescope S11820 $2,850.00
Image of Celestron EdgeHD 925 9.25" Optical Tube Assembly 91040-XLT, OTA Telescope Celestron EdgeHD 925 9.25" Optical Tube Assembly 91040-XLT, OTA Telescope List: $4,028.95 $3,099.00 Save 23%
Image of Celestron NexStar Evolution 9.25 Schmidt-Cassegrain Telescope Celestron NexStar Evolution 9.25 Schmidt-Cassegrain Telescope List: $3,898.95 $2,999.00 Save 23%
Image of Explore Scientific FirstLight Tube Refractor AR127mm Explore Scientific FirstLight Tube Refractor AR127mm List: $1,019.99 $849.99 Save 17%
Image of Explore Scientific 127mm AR Series Achromatic Refractor Telescope Explore Scientific 127mm AR Series Achromatic Refractor Telescope List: $899.99 $749.99 Save 17%
Image of Sky Watcher Skymax 150 Telescope Sky Watcher Skymax 150 Telescope List: $1,048.21 $975.00 Save $73.21
Image of Celestron Starsense Explorer 8in Dobsonian Telescope 2 models Celestron Starsense Explorer 8in Dobsonian Telescope As Low As $879.00 Save 23%
Image of Sky Watcher 8in. Flextube 200P Collapsible Dobsonian Telescope S11700 Sky Watcher 8in. Flextube 200P Collapsible Dobsonian Telescope S11700 List: $866.20 $850.00 Save $16.20 Best Rated
Image of ExploreOne Aurora II Flat Black 114mm Slow Motion AZ Mount Telescope ExploreOne Aurora II Flat Black 114mm Slow Motion AZ Mount Telescope List: $199.99 $179.99 Save 10%
Image of Sky Watcher Skymax 102 AZ-GTi Telescope Sky Watcher Skymax 102 AZ-GTi Telescope List: $912.68 $765.00 Save 16%
Image of Celestron Starsense Explorer DX 5in SCT Telescope Celestron Starsense Explorer DX 5in SCT Telescope List: $844.95 $648.99 Save 23%
Image of Celestron NexStar 4SE Telescope 11049 - 4" Special Edition Maksutov - Cassegrain Computerized Telescopes 2 models Celestron NexStar 4SE Telescope 11049 - 4" Special Edition Maksutov - Cassegrain Computerized Telescopes As Low As $669.99 Save Up to 31% Best Rated
Image of Celestron Starsense Explorer DX 102mm Refractor Telescopes Celestron Starsense Explorer DX 102mm Refractor Telescopes List: $636.95 $486.49 Save 24%
Image of Sky Watcher 6in. Traditional Dobsonian Telescope Sky Watcher 6in. Traditional Dobsonian Telescope List: $560.00 $515.00 Save $45.00
Image of Celestron AstroFi 102 Telescope Celestron AstroFi 102 Telescope List: $753.95 $557.99 Save 26%
Image of Celestron StarSense Explorer Tabletop Dobsonian 3 models Celestron StarSense Explorer Tabletop Dobsonian As Low As $379.49 Save 23%
Image of Sky Watcher Evoguide 50DX APO Guide Scope Astrograph Sky Watcher Evoguide 50DX APO Guide Scope Astrograph List: $473.22 $375.00 Save 21%
Image of Celestron AstroMaster 130EQ Motor Drive Reflector Telescope Celestron AstroMaster 130EQ Motor Drive Reflector Telescope List: $506.95 $389.49 Save 23% Best Rated
Image of Celestron AstroMaster 102AZ Telescope Celestron AstroMaster 102AZ Telescope List: $467.95 $349.49 Save 25%