Skip to content

Astronomy Specialist

Country/Region

United States (USD $)

Search

Menu

BRANDS
TELESCOPES
- TELESCOPES
- ASTROGRAPHS
  
  CELESTRON
  
  OFFICINA STELLARE
  
  PLANEWAVE
  
  SHARPSTAR
  
  TAKAHASHI
- BINOCULARS
  
  APM
- CASSEGRAIN
  
  CELESTRON
  
  MEADE
  
  SKY-WATCHER
- DALL-KIRKHAM
  
  TAKAHASHI
  
  OFFICINA STELLARE
  
  PLANEWAVE
- DOBSONIAN
  
  GEOPTIK
  
  SKY-WATCHER
  
  OPTIQUES FULLUM
- NEWTONIAN
  
  SAXON
  
  SHARPSTAR
  
  SKY-WATCHER
- REFRACTORS
  
  ASKAR
  
  APM
  
  TAKAHASHI
  
  SHARPSTAR
  
  SKY-WATCHER
  
  WILLIAM OPTICS
  
  ZWO
- RITCHEY-CHRETIEN
  
  GSO
  
  OFFICINA STELLARE
  
  PLANEWAVE
- SMART TELESCOPES
  
  ZWO SEESTAR
- SOLAR
  
  DAYSTAR
  
  SKY-WATCHER
MOUNTS
CAMERAS
ACCESSORIES
SPECIALS
ABOUT US

CLICK HERE FOR BLACK FRIDAY DEALS!

CLICK HERE FOR BLACK FRIDAY DEALS!

CLICK HERE FOR BLACK FRIDAY DEALS!

CLICK HERE FOR BLACK FRIDAY DEALS!

CLICK HERE FOR BLACK FRIDAY DEALS!

CLICK HERE FOR BLACK FRIDAY DEALS!

CLICK HERE FOR BLACK FRIDAY DEALS!

CLICK HERE FOR BLACK FRIDAY DEALS!

CLICK HERE FOR BLACK FRIDAY DEALS!

CLICK HERE FOR BLACK FRIDAY DEALS!

CLICK HERE FOR BLACK FRIDAY DEALS!

CLICK HERE FOR BLACK FRIDAY DEALS!

CLICK HERE FOR BLACK FRIDAY DEALS!

CLICK HERE FOR BLACK FRIDAY DEALS!

CLICK HERE FOR BLACK FRIDAY DEALS!

CLICK HERE FOR BLACK FRIDAY DEALS!

CLICK HERE FOR BLACK FRIDAY DEALS!

CLICK HERE FOR BLACK FRIDAY DEALS!

CLICK HERE FOR BLACK FRIDAY DEALS!

CLICK HERE FOR BLACK FRIDAY DEALS!

WILLIAM OPTICS SALE 2023

(6 products)

For a limited time save big on many of the most popular William Optics OTAs and flattener/reducer bundles!

Sort by

Featured
Best selling
Alphabetically, A-Z
Alphabetically, Z-A
Price, low to high
Price, high to low
Date, old to new
Date, new to old

Compare

View as List Grid

FiltersFilter & Sort

Applied Filters

Clear all

Sort by

Featured
Best selling
Alphabetically, A-Z
Alphabetically, Z-A
Price, low to high
Price, high to low
Date, old to new
Date, new to old

Brand

William Optics (6)

Clear

Availability

In stock (4)
Out of stock (6)

Clear

Aperture

61 mm (1)
73 mm (1)
81 mm (1)
91 mm (1)
120 mm (1)
132 mm (1)

Clear

Optical design

Apochromatic doublet (3)
Apochromatic triplet (3)

Clear

Focal length

360 mm (1)
430 mm (1)
540 mm (1)
559 mm (1)
710 mm (1)
910 mm (1)

Clear

Focal ratio

f/5.9 (3)
f/6.5 (1)
f/6.9 (2)

Clear

Compare

Sold out
Sale

ZENITHSTAR 61 II F/5.9 APO DOUBLET

From $526.00 USD ~~$619.00~~

(3)

Gold Red

View details
Compare

Sale

ZENITHSTAR 73 III F/5.9 APO DOUBLET

From $712.00 USD ~~$836.00~~

(3)

Gold Red
In stock

View details
Compare

Sale

ZENITHSTAR 81 F/6.9 APO DOUBLET

From $898.00 USD ~~$1,052.00~~

(2)

Gold Red
In stock

View details
Compare

Sold out
Sale

FLUOROSTAR 91 F/5.9 APO TRIPLET

From $1,857.00 USD ~~$2,105.00~~

Gold Red

View details
Compare

Sale

FLUOROSTAR 120 F/6.5 APO TRIPLET

From $3,034.00 USD ~~$3,715.00~~

(2)

Gold Red Space Grey
In stock

View details
Compare

Sale

FLUOROSTAR 132 F/6.9 APO TRIPLET

From $4,334.00 USD ~~$4,582.00~~

Gold Red Space Grey
In stock

View details

Your cart

Your cart is empty

Subtotal: $0.00 USD

Loading...

EXPLORE

Terms of Service
Refund Policy
Shipping Policy
Privacy Policy
Quick

NEWSLETTER

Join our mailing list for updates, exclusive offers and astronomy news.

Email

CONTACT

Phone: 02 83281234

Mon - Fri 10:00 - 18:00, Sat 10:00 - 14:00

33/1-5 Thew Parade, 2099 Cromer, NSW Australia

Drop us an email

Facebook
Instagram
YouTube

Payment methods accepted

Country/Region

United States (USD $)

Country/Region

© 2023 Testar Australia.

Compare /15

Loading...

Loading...

Choose options

Item added to your cart.

View cart