Skip to content

Astronomy Specialist

Search

Menu

BRANDS
TELESCOPES
- TELESCOPES
- ASTROGRAPHS
  
  CELESTRON
  
  PLANEWAVE
  
  SHARPSTAR
  
  SKY-WATCHER
  
  TAKAHASHI
- CASSEGRAIN
  
  BAADER
  
  CELESTRON
  
  SKY-WATCHER
- COMPUTERIZED
  
  CELESTRON
- DALL-KIRKHAM
  
  TAKAHASHI
  
  OFFICINA STELLARE
  
  PLANEWAVE CDK
  
  PLANEWAVE IRDK
- DOBSONIAN
  
  GEOPTIK
  
  SKY-WATCHER
  
  OPTIQUES FULLUM
- NEWTONIAN
  
  ARTESKY
  
  GSO
  
  SKY-WATCHER
- REFRACTORS
  
  ASKAR
  
  NAKOH
  
  TAKAHASHI
  
  SHARPSTAR
  
  SKY-WATCHER
  
  WILLIAM OPTICS
  
  ZWO
- RITCHEY-CHRETIEN
  
  GSO
  
  OFFICINA STELLARE
  
  PLANEWAVE
- SMART TELESCOPES
  
  DWARFLAB
  
  ZWO
- SOLAR
  
  BAADER
  
  DAYSTAR
  
  SKY-WATCHER
- SPOTTING SCOPES
  
  CELESTRON
BINOCULARS
- BINOCULARS
- BY SIZE
  
  UP TO 50MM
  
  70MM
  
  82MM
  
  100MM
  
  120MM
  
  150MM
- BY TYPE
  
  APO
  SEMI-APO
  
  ACHRO
- BY BRAND
  
  SKY ROVER
  
  WILLIAM OPTICS
MOUNTS
CAMERAS
ACCESSORIES
OBSERVATORIES
SPECIALS
TOOLS
ENGINEERING

SPECIALS

(359 products)

Sort by

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

Availability

In stock (266)
Out of stock (128)

Clear

Brand

10Micron (2)
Antlia (31)
Askar (57)
Baader Planetarium (4)
Celestron (6)
Daystar (16)
iOptron (1)
Optolong (18)
QHYCCD (1)
Sharpstar (5)
Sky-Watcher (5)
ToupTek (26)
Touptek (3)
WarpAstron (3)
William Optics (47)
ZWO (131)

Clear

Price

From $

-

To $

From To

Clear

Threads

Clear

Optical thickness

5 mm (1)
20 mm (5)
Optical thickness: 0 mm (3)
Optical thickness: 1 mm (1)
Optical thickness: 2 mm (3)
Optical thickness: 5 mm (4)
Optical thickness: 8.3 mm (2)
Optical thickness: 10 mm (1)
Optical thickness: 10.6 mm (1)
Optical thickness: 10.8 mm (1)
Optical thickness: 11 mm (2)
Optical thickness: 11.5 mm (2)
Optical thickness: 14 mm (1)
Optical thickness: 15 mm (2)
Optical thickness: 16.5 mm (2)
Optical thickness: 17.5 mm (1)
Optical thickness: 21 mm (3)
Optical thickness: 22.5 mm (1)
Optical thickness: 26.5 mm (1)
Optical thickness: 29 mm (2)
Optical thickness: 31 mm (1)
Optical thickness: 34.5 mm (1)
Optical thickness: 37 mm (2)
Optical thickness: 38.5 mm (1)
Optical thickness: 41.5 mm (1)
Optical thickness: 48.5 mm (1)

Clear

Aperture

Clear

Optical design

Achromatic Doublet (1)
Apochromatic doublet (8)
Apochromatic Petzval (3)
Apochromatic Petzval quadruplet (9)
Apochromatic Petzval quintuplet (8)
Apochromatic Petzval sextuplet (1)
Apochromatic Quintuplet (6)
Apochromatic septuplet (3)
Apochromatic sextuplet (2)
Apochromatic triplet (11)
Apochromatic Triplet (2)
Corrected Cassegrain astrograph (2)
Doublet (4)
H-alpha apochromatic doublet (3)
Newtonian (2)
Schmidt-Cassegrain (2)

Clear

Focal length

Clear

Focal ratio

f/3.5 (1)
f/3.75 (1)
f/3.8 (2)
f/4 (2)
f/4.5 (3)
f/4.6 (1)
f/4.8 (10)
f/4.9 (3)
f/5 (4)
f/5.5 (1)
f/5.6 (4)
f/5.9 (5)
f/6.4 (3)
f/6.5 (2)
f/6.7 (1)
f/6.8 (1)
f/6.9 (3)
f/7 (7)
f/7.5 (5)
f/7.7 (1)
f/7.8 (1)
f/10 (2)
f/15.5 (2)
f/17.5 (1)

Clear

Mount type

Alt-Azimuth (1)
Computerized Altitude-Azimuth Dual Fork Arm (1)
Dobsonian (2)
Equatorial (4)
Equatorial / Alt-Azimuth (3)

Clear

Payload capacity

80 kg (1)
13 kg with counterweight (1)
8 kg without counterweight (1)
15 kg without counterweight (1)
20 kg without counterweight (1)
22 kg without counterweight (2)
30 kg without counterweight (2)
Payload: 18 kg (1)
Payload: 25 kg (1)
Payload: 34 kg (1)
≤2.5 Nm (5kg) (1)

Clear

Encoders

Encoders: None (7)

Clear

Counterweight shaft

19 mm (2)
20 mm (2)
32 mm (1)

Clear

Bit depth

12-bit (31)
14-bit (12)
16-bit (19)

Clear

Pixel size

1.45 µm (2)
2.0 µm (5)
2.4 µm (1)
2.9 µm (12)
3.45 µm (1)
3.75 µm (2)
3.76 µm (24)
4.0 µm (2)
4 µm (1)
4.4 µm (1)
4.63 µm (3)
5 µm (2)
5.86 µm (2)
9 µm (1)
2.3 / 4.63 µm (3)

Clear

Resolution

656 x 520 (2)
1280 x 960 (2)
1280 x 1024 (1)
1608 x 1104 (1)
1920 x 1080 (9)
1936 x 1216 (2)
2704 x 1536 (1)
3008 x 3008 (5)
3552 x 3552 (1)
3840 x 2160 (10)
3864 x 2192 (1)
4128 x 2808 (2)
4144 x 2822 (4)
5496 x 3672 (1)
6224 x 4168 (3)
6248 x 4176 (8)
6280 x 4210 (1)
8192 x 5460 (1)
8288 x 5644 (3)
9568 x 6380 (3)
9576 x 6388 (3)
11656 x 8750 (1)

Clear

Quantum efficiency

75% (2)
77% (2)
79% (1)
80% (17)
81% (6)
83% (5)
84% (1)
89% (1)
90% (5)
91% (16)
92% (3)
>80% @ 1200 nm (3)

Clear

Sensor diagonal

4.12 mm (1)
6 mm (1)
6.14 mm (1)
6.39 mm (4)
6.45 mm (4)
8.2 mm (1)
8.47 mm (2)
8.81 mm (3)
8.86 mm (2)
9.02 mm (1)
10.04 mm (1)
12.84 mm (5)
13.2 mm (2)
15.9 mm (1)
15.97 mm (2)
16 mm (3)
17.6 mm (1)
23.1 mm (5)
23.2 mm (1)
28.3 mm (11)
28.43 mm (1)
43.2 mm (3)
43.3 mm (4)
55 mm (1)

Clear

FPS

Clear

Filter size

1.25" (38)
2" (41)
31 mm (14)
36 mm (21)
47.4 mm (3)
50 mm x 50 mm square (9)
65 mm x 65 mm square (4)
50 mm round (16)
EOS C (3)
EOS Full Frame (3)
EOS R (1)
Nikon Full Frame (2)
Sony Full Frame (1)

Clear

Bandpass (FWHM)

2.5 nm (4)
3 nm (11)
3.5 nm (2)
4 nm (2)
4.5 nm (4)
5 nm (1)
6.5 nm (3)
7 nm (5)
11 nm (1)
20 nm (2)
25 nm (1)
3.5 - 4 nm / 6.5 nm (1)
~0.5Å (3)

Clear

Apparent FOV

60° (1)

Clear

Colour or Monochrome

Colour (30)
Monochromatic (1)
Monochrome (32)

Clear

Cooled

Cooled (36)
Non-cooled (26)
TEC cooled (ΔT of 35°C) (1)

Clear

Compare

Sold out

ZWO EFW MINI FILTER WHEEL 5 x 1.25"

Regular price $339.00AUD
Compare

ASKAR 0.75x REDUCER FOR 91F
Very low stock (1 unit)

Regular price $539.00AUD
Compare

4% off

WILLIAM OPTICS ULTRA-CAT 56 f/4.8 REFRACTOR
BLACK
Very low stock (1 unit)

Sale price $2,309.00AUD Regular price $2,399.00
Compare

ZWO ASI676MM [MONO]
In stock

Regular price $669.00AUD
Compare

WILLIAM OPTICS CAT EYES BINOCULARS
In stock

Regular price $289.00AUD
Compare

5% off

WILLIAM OPTICS ULTRA-CAT 76 f/4.8 REFRACTOR
Very low stock (1 unit)

Sale price $3,789.00AUD Regular price $3,999.00
Compare

FREE SHIPPING

Sold out

TOUPTEK SKYEYE 62AM PRO IMAGING KIT

Regular price From $7,699.00AUD
Compare

Sold out

5% off

SKYWATCHER HERITAGE 150mm (6") TABLETOP DOBSONIAN

Sale price $425.00AUD Regular price $449.00
Compare

13% off

SKYWATCHER HERITAGE 130mm (5") TABLETOP DOBSONIAN
Very low stock (1 unit)

Sale price $349.00AUD Regular price $399.00

Showing 359 of 359

Your cart

Your cart is empty

Subtotal:$0.00AUD

Loading...

EXPLORE

About Us
Blog
Terms of Service
Refund Policy
Shipping Policy
Privacy Policy
Quick Order

NEWSLETTER

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

Email

CONTACT

Phone: 02 83281234

Mon - Fri 10:00 - 17:30, Sat 10:00 - 14:00

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

Drop us an email

Facebook
YouTube
Instagram

Payment methods accepted

© 2026 Testar Australia.

Compare /15

Loading...

Loading...