Skip to content

Astronomy Specialist

Search

Menu

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

ACCESSORIES

(1112 products)

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

Clear

Availability

In stock (857)
Out of stock (300)

Clear

Price

From $

-

To $

From To

Clear

Threads

Clear

Optical thickness

0 mm (1)
0.5 mm (1)
1.5 mm (1)
3 mm (1)
5 mm (1)
10 mm (2)
30 mm (1)
32 mm (1)
Optical thickness 7.3 mm (1)
Optical thickness: 0 mm (11)
Optical thickness: 0.1 mm (1)
Optical thickness: 0.15 mm (1)
Optical thickness: 0.15 - 1 mm (1)
Optical thickness: 0.2 mm (1)
Optical thickness: 0.3 mm (2)
Optical thickness: 0.4 mm (1)
Optical thickness: 0.5 mm (4)
Optical thickness: 0.5 - 13.5 mm (1)
Optical thickness: 0.6 mm (1)
Optical thickness: 0.7 mm (1)
Optical thickness: 0.8 mm (1)
Optical thickness: 1 mm (10)
Optical thickness: 1.5 mm (1)
Optical thickness: 2 mm (16)
Optical thickness: 2.5 mm (4)
Optical thickness: 3 mm (9)
Optical thickness: 3.5 mm (2)
Optical thickness: 4 mm (4)
Optical thickness: 4.3 mm (1)
Optical thickness: 4.5 mm (1)
Optical thickness: 5 mm (15)
Optical thickness: 5.5 mm (2)
Optical thickness: 6 mm (4)
Optical thickness: 6.5 mm (1)
Optical thickness: 7 mm (9)
Optical thickness: 7.5 mm (1)
Optical thickness: 8 mm (8)
Optical thickness: 8.3 mm (2)
Optical thickness: 8.5 mm (1)
Optical thickness: 9 mm (6)
Optical thickness: 9.5 mm (1)
Optical thickness: 9.50 - 10.25 mm (3)
Optical thickness: 9.7 mm (1)
Optical thickness: 9.75 - 10.50 mm (1)
Optical thickness: 10 mm (9)
Optical thickness: 10.5 mm (1)
Optical thickness: 10.6 mm (1)
Optical thickness: 10.8 mm (1)
Optical thickness: 11 mm (5)
Optical thickness: 11.4 mm (1)
Optical thickness: 11.5 mm (2)
Optical thickness: 12 mm (1)
Optical thickness: 12.5 mm (5)
Optical thickness: 12.7 mm (1)
Optical thickness: 13 mm (3)
Optical thickness: 13.5 mm (1)
Optical thickness: 14 mm (3)
Optical thickness: 14 mm, 20 mm (1)
Optical thickness: 15 mm (7)
Optical thickness: 15 - 18 mm (4)
Optical thickness: 15 - 20 mm (1)
Optical thickness: 16.2 mm (1)
Optical thickness: 16.5 mm (1)
Optical thickness: 17.5 mm (1)
Optical thickness: 18.8 mm (1)
Optical thickness: 19 mm (1)
Optical thickness: 20 mm (3)
Optical thickness: 21 mm (2)
Optical thickness: 22.5 mm (1)
Optical thickness: 25 mm (3)
Optical thickness: 26 mm (1)
Optical thickness: 26.5 mm (1)
Optical thickness: 28 mm (2)
Optical thickness: 29 mm (2)
Optical thickness: 29 - 35.5 mm (1)
Optical thickness: 31 mm (1)
Optical thickness: 31.3 mm (1)
Optical thickness: 34.5 mm (1)
Optical thickness: 35 mm (2)
Optical thickness: 37 mm (2)
Optical thickness: 38.5 mm (3)
Optical thickness: 39.5 mm (1)
Optical thickness: 40 mm (1)
Optical thickness: 41.5 mm (1)
Optical thickness: 48.5 mm (1)
Optical thickness: 50 mm (2)
Optical thickness: 52 mm (1)
Optical thickness: 53 mm (1)
Optical thickness: 55 mm, 59 mm (1)
Optical thickness: 64 mm (1)
Optical thickness: 65 mm (1)
Optical thickness: 85 mm (1)
Optical thickness: 99 mm (1)
Optical thickness: 99 mm (2" barrel) (1)
Optical thickness: 100 mm (1)
Optical thickness: 109 mm (1.25" barrel) (1)
Optical thickness: 112 mm (2)
Optical thickness: 121 mm (2" barrel) (1)
Optical thickness: 131 mm (1.25" barrel) (1)
Optical thickness: -65.5 mm (1)

Clear

Aperture

30 mm (1)
32 mm (2)
48 mm (1)
50 mm (1)
50mm (1)
60 mm (1)
61 mm (1)

Clear

Optical design

Achromatic Doublet (1)
Amici erecting prism (3)
Aspheric (2)
Barlow (7)
Doublet (6)
Flatfield Barlow (1)
Mirror diagonal (2)
Modular (10)
Orthoscopic (3)
Plössl (1)
Plössl, Orthoscopic, Barlow (1)
Prism star diagonal (2)
Telecentric Barlow (2)
TOE (6)
TPL (3)
Wide angle (6)

Clear

Focal length

Clear

Focal ratio

F4.1 (1)
f/3.75 (1)
f/4 (3)
f/5 (1)

Clear

Mount type

Alt-Azimuth (1)
Equatorial (1)

Clear

Payload capacity

5 kg (1)
80 kg (1)
200 kg (1)
13 kg with counterweight (1)
8 kg without counterweight (1)
≤2.5 Nm (5kg) (1)

Clear

Encoders

Encoders: None (2)

Clear

Counterweight shaft

16 mm (4)
18 mm (2)
20 mm (6)
25 mm (8)
28 mm (3)
30 mm (3)
31.5 mm (1)
32 mm (7)
38.1 mm (1)
40 mm (2)
50 mm (1)
60 mm (1)

Clear

Bit depth

12-bit (12)
14-bit (5)
16-bit (5)

Clear

Pixel size

1.45 µm (1)
2.0 µm (2)
2.9 µm (6)
3.75 µm (1)
3.76 µm (7)
4.0 µm (2)
4.63 µm (2)
5.94 µm (1)

Clear

Resolution

1280 x 960 (1)
1920 x 1080 (7)
3008 x 3008 (2)
3840 x 2160 (4)
4128 x 2808 (2)
6064 x 4040 (1)
6224 x 4168 (3)
9568 x 6380 (2)

Clear

Quantum efficiency

75% (1)
80% (8)
81% (2)
83% (2)
89% (2)
90% (2)
91% (3)
92% (2)

Clear

Sensor diagonal

6.14 mm (1)
6.39 mm (5)
6.45 mm (1)
8.47 mm (2)
8.81 mm (2)
12.84 mm (1)
15.97 mm (2)
23.1 mm (2)
28.3 mm (3)
43.3 mm (3)

Clear

FPS

6.2 FPS (2)
13.3 FPS (3)
15.2 FPS (1)
17.8 FPS (1)
18 FPS (2)
30 FPS (1)
33 FPS (2)
40 FPS (2)
47 FPS (4)
150 FPS (2)
152 FPS (2)

Clear

Filter size

1.25" (8)
2" (6)
31 mm (4)
36 mm (3)
46 mm (2)
50 mm x 50 mm square (1)
50 mm round (2)

Clear

Bandpass (FWHM)

3 nm (1)
3.5 nm (1)
7 nm (2)

Clear

Apparent FOV

40 - 60° (1)
44° (1)
48° (6)
48 - 68° (1)
50° (8)
52° (3)
56° (3)
58° (3)
60° (6)
65° (6)
66 - 67° (1)
68° (9)
70° (1)
72° (2)
75° (1)
76° (6)
80° (1)
82° (6)
84° (1)

Clear

Barrel size

1.25" (67)
2" (35)

Clear

Colour or Monochrome

Colour (11)
Monochrome (11)

Clear

Cooled

Cooled (11)
Non-cooled (11)

Clear

Compare

ADAPTER M68 MALE - 2" SC FEMALE 1mm
In stock

Regular price $89^00AUD

View details
Compare

ADAPTER M68 MALE - M42 MALE 3mm
In stock

Regular price $89^00AUD

View details
Compare

ADAPTER M68 MALE - M48 FEMALE 3mm
In stock

Regular price $79^00AUD

View details
Compare

ADAPTER M68 MALE - M48 MALE 3mm

(1)

In stock

Regular price $89^00AUD

View details
Compare

ADAPTER M68 MALE - M54 FEMALE 3mm
In stock

Regular price $79^00AUD

View details
Compare

ADAPTER M68 MALE TO M48 FEMALE
In stock

Regular price $79^00AUD

View details
Compare

ADAPTER M68 MALE TO M54 MALE 3mm
In stock

Regular price $89^00AUD

View details
Compare

ADAPTER M68 MALE TO M68 MALE 3mm
In stock

Regular price $69^00AUD

View details
Compare

ADAPTER M72 FEMALE - M68 MALE 10mm

(1)

In stock

Regular price $99^00AUD

View details
Compare

ADAPTER M72 MALE - M68 FEMALE 8mm
In stock

Regular price $79^00AUD

View details
Compare

ADAPTER M72 MALE - M68 MALE 8mm
In stock

Regular price $99^00AUD

View details
Compare

ADAPTER M72 MALE TO M54 MALE 8mm
In stock

Regular price $99^00AUD

View details
Compare

ADAPTER M74 FEMALE - M63 FEMALE FOR RICCARDI REDUCER

Regular price $129^00AUD

View details
Compare

ADJUSTABLE BASE FOR NADIRUS 12"

Regular price $169^00AUD

View details
Compare

AIR BLASTER
Very low stock (1 unit)

Regular price $15^00AUD

View details
Compare

ALTO-1 MOTOR FOR GIOTTO 120 - 220
Very low stock (1 unit)

Regular price $839^00AUD

View details
Compare

ALTO-2 MOTOR FOR GIOTTO 255 - 320
In stock

Regular price $1,009^00AUD

View details
Compare

ALTO-3 MOTOR FOR GIOTTO 430
Very low stock (1 unit)

Regular price $1,529^00AUD

View details
Compare

ALTO-3L MOTOR FOR GIOTTO 560

Regular price $1,699^00AUD

Contact Us
Compare

FREE SHIPPING

ANTLIA ALP-T Ha & OIII 3nm DUAL BAND FILTER
In stock

Regular price $699^00AUD

View details
Compare

FREE SHIPPING

ANTLIA ALP-T SII & Hb 3.5nm DUAL BAND FILTER
In stock

Regular price $649^00AUD

View details
Compare

ANTLIA ENERGY REJECTION FILTER 130mm

Regular price $1,699^00AUD

View details
Compare

ANTLIA ENERGY REJECTION FILTER 150mm

Regular price $2,199^00AUD

View details
Compare

ANTLIA ENERGY REJECTION FILTER 200mm

Regular price $3,999^00AUD

View details
Compare

APM HI-FW 84° EYEPIECE 12.5mm

Regular price $689^00AUD

Contact Us
Compare

APM RICCARDI 0.75x REDUCER M63 FOR ESPRIT & GSO RC

Regular price $929^00AUD

View details
Compare

APM RICCARDI 0.75x REDUCER M82
In stock

Regular price $1,149^00AUD

View details
Compare

APM RICCARDI APO 1x FLATTENER FOR LONG REFRACTORS
Very low stock (1 unit)

Regular price $869^00AUD

View details
Compare

APM RICCARDI APO 1x FLATTENER FOR SHORT REFRACTORS
Very low stock (1 unit)

Regular price $929^00AUD

View details
Compare

APM SUPERZOOM EYEPIECE 7.7-15.4mm

Regular price $799^00AUD

Contact Us
Compare

APM TILT ADJUSTER FOR M63 RICCARDI REDUCER

Regular price $149^00AUD

View details
Compare

APM TILT ADJUSTER FOR M82 RICCARDI REDUCER
Very low stock (1 unit)

Regular price $149^00AUD

View details
Compare

APM ULTRA FLAT FIELD 10MM EYEPIECE 60° FOV

Regular price $199^00AUD

Contact Us
Compare

APM ULTRA FLAT FIELD 15MM EYEPIECE 65° FOV

Regular price $249^00AUD

Contact Us
Compare

APM ULTRA FLAT FIELD 18MM EYEPIECE 65° FOV

Regular price $249^00AUD

Contact Us
Compare

APM ULTRA FLAT FIELD 24MM EYEPIECE 65° FOV

Regular price $349^00AUD

Contact Us
Compare

APM ULTRA FLAT FIELD 30MM EYEPIECE 70° FOV

Regular price $449^00AUD

Contact Us
Compare

APM UWA 80° EYEPIECE 30mm 2"

Regular price $219^00AUD

Contact Us
Compare

ASKAR 0.6x REDUCER FOR 103APO
Very low stock (1 unit)

Regular price $589^00AUD

View details
Compare

ASKAR 0.75x REDUCER FOR 65PHQ

Regular price $389^00AUD

View details
Compare

ASKAR 0.75x REDUCER FOR 71F
In stock

Regular price $369^00AUD

View details
Compare

ASKAR 0.76x REDUCER FOR 80PHQ
In stock

Regular price $469^00AUD

View details
Compare

ASKAR 0.7x REDUCER FOR 107PHQ, 130PHQ & 151PHQ
In stock

Regular price $679^00AUD

View details
Compare

ASKAR 0.8x REDUCER FOR 103APO

Regular price $389^00AUD

View details
Compare

ASKAR 0.8x REDUCER FOR 120APO
In stock

Regular price $389^00AUD

View details
Compare

ASKAR 0.8x REDUCER FOR 140APO
In stock

Regular price $589^00AUD

View details
Compare

ASKAR 0.8x REDUCER FOR 185APO
Very low stock (1 unit)

Regular price $589^00AUD

Contact Us
Compare

ASKAR 1x FLATTENER FOR 103APO
In stock

Regular price $389^00AUD

View details
Compare

ASKAR 1x FLATTENER FOR 120APO
In stock

Regular price $389^00AUD

View details
Compare

ASKAR 1x FLATTENER FOR 140APO
In stock

Regular price $589^00AUD

View details

Showing 150 of 1112

Your cart

Your cart is empty

Subtotal:$0^00AUD

Loading...

EXPLORE

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

Country/Region

Australia (AUD $)

© 2025 Testar Australia.

Compare /15

Loading...

Loading...

Choose options

Item added to your cart.

View cart