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
  
  ZWO SEESTAR
- SOLAR
  
  BAADER
  
  DAYSTAR
  
  SKY-WATCHER
- SPOTTING SCOPES
  
  CELESTRON
MOUNTS
CAMERAS
ACCESSORIES
OBSERVATORIES
SPECIALS
BLOG
ABOUT US
ENGINEERING

METRIC ADAPTERS

(221 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

APM (2)
Askar (1)
Baader Planetarium (69)
Daystar (2)
Optec (2)
Prima Luce Lab (15)
Takahashi (7)
Teleskop Service (27)
Testar (40)
Wanderer Astro (2)
William Optics (1)
ZWO (19)

Clear

Availability

In stock (184)
Out of stock (38)

Clear

Price

From $

-

To $

From To

Clear

Threads

Clear

Optical thickness

0.5 mm (1)
1.5 mm (1)
3 mm (1)
Optical thickness 7.3 mm (1)
Optical thickness: 0 mm (15)
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: 0.3 - 1.0 mm (4)
Optical thickness: 0.4 mm (1)
Optical thickness: 0.5 mm (5)
Optical thickness: 0.6 mm (1)
Optical thickness: 0.7 mm (1)
Optical thickness: 0.8 mm (3)
Optical thickness: 1 mm (11)
Optical thickness: 1.4 mm (1)
Optical thickness: 1.5 mm (2)
Optical thickness: 2 mm (14)
Optical thickness: 2.1 mm, 6.2 mm (1)
Optical thickness: 2.5 mm (1)
Optical thickness: 3 mm (11)
Optical thickness: 4 mm (4)
Optical thickness: 4.3 mm (1)
Optical thickness: 4.5 mm (1)
Optical thickness: 5 mm (19)
Optical thickness: 5 - 40 mm (1)
Optical thickness: 5.3 mm (1)
Optical thickness: 5.5 mm (1)
Optical thickness: 6 mm (4)
Optical thickness: 6.5 mm (1)
Optical thickness: 6.7 mm (1)
Optical thickness: 7 mm (10)
Optical thickness: 7.5 mm (2)
Optical thickness: 7.5 - 40 mm (1)
Optical thickness: 7.5 - 100 mm (1)
Optical thickness: 8 mm (7)
Optical thickness: 8.6 mm (1)
Optical thickness: 9 mm (7)
Optical thickness: 9.5 mm (1)
Optical thickness: 9.50 - 10.25 mm (3)
Optical thickness: 9.75 - 10.50 mm (1)
Optical thickness: 10 mm (8)
Optical thickness: 11 mm (6)
Optical thickness: 11.4 mm (1)
Optical thickness: 11.5 mm (1)
Optical thickness: 12 mm (2)
Optical thickness: 12 - 16 mm (1)
Optical thickness: 12.5 mm (2)
Optical thickness: 12.7 mm (1)
Optical thickness: 13 mm (3)
Optical thickness: 13 - 31 mm (1)
Optical thickness: 13.5 mm (1)
Optical thickness: 14 mm (3)
Optical thickness: 14 mm, 20 mm (1)
Optical thickness: 15 mm (4)
Optical thickness: 15 - 18 mm (4)
Optical thickness: 15 - 20 mm (1)
Optical thickness: 16.5 mm (2)
Optical thickness: 17 - 23 mm (1)
Optical thickness: 20 mm (2)
Optical thickness: 20 - 29 mm (1)
Optical thickness: 20.5 - 30 mm (1)
Optical thickness: 21 mm (2)
Optical thickness: 22.5 mm (1)
Optical thickness: 26 mm (1)
Optical thickness: 28 mm (2)
Optical thickness: 29 - 35.5 mm (2)
Optical thickness: 29 - 46 mm (1)
Optical thickness: 35 mm (1)
Optical thickness: 39.5 mm (1)
Optical thickness: 50 mm (2)
Optical thickness: 52 mm (1)

Clear

Compare

BAADER M54 FEMALE - FEMALE CONVERSION RING
In stock

Regular price $59^00AUD

View details
Compare

BAADER M54 SPACER RINGS
In stock

Regular price $15^00AUD

View details
Compare

BAADER M54 TILTER
In stock

Regular price $379^00AUD

View details
Compare

BAADER M54 x 0.75 CONTINUOUS MALE THREAD
In stock

Regular price $89^00AUD

View details
Compare

BAADER M68 EXTENSION TUBE
In stock

Regular price From $79^00AUD

View details
Compare

BAADER M68 FEMALE - M68 FEMALE CONVERSION RING
Very low stock (1 unit)

Regular price $69^00AUD

View details
Compare

BAADER M68 MALE - M68 MALE CONVERSION RING
In stock

Regular price $69^00AUD

View details
Compare

BAADER M68 SPACER RINGS
In stock

Regular price $18^00AUD

View details
Compare

BAADER M68 TILTER
In stock

Regular price $449^00AUD

View details
Compare

BAADER M71 - M72 ADAPTER FOR TAKAHASHI MEWLON
Very low stock (1 unit)

Regular price $89^00AUD

View details
Compare

BAADER STEEL M48 QUICK CHANGE RING
In stock

Regular price $89^00AUD

View details
Compare

BAADER STEEL T2 QUICK CHANGE RING

(1)

In stock

Regular price $85^00AUD

View details
Compare

BAADER TQC HEAVY DUTY T-2 QUICK CHANGER

(1)

In stock

Regular price $139^00AUD

View details
Compare

BAADER VARIABLE M42 (T2) EXTENSION 12-16 mm
In stock

Regular price $79^00AUD

View details
Compare

BAADER VARILOCK 29 - M42 (T2) EXTENSION 20-29 mm
Very low stock (1 unit)

Regular price $119^00AUD

View details
Compare

BAADER VARILOCK 46 - M42 (T2) EXTENSION 29-46 mm
Very low stock (1 unit)

Regular price $129^00AUD

View details
Compare

BAADER VARILOCK M68 15-20 mm
In stock

Regular price $249^00AUD

View details
Compare

CAMERA ANGLE ROTATOR FOR 2.5" M63 FOCUSER

(1)

Very low stock (1 unit)

Regular price $189^00AUD

View details
Compare

DAYSTAR QUARK T-RING ADAPTER

Regular price $109^00AUD

View details
Compare

DAYSTAR T-MOUNT INTERFERENCE ELIMINATOR

Regular price $339^00AUD

View details
Compare

FINE TUNING SPACER RING M68 1.5mm

Regular price $25^00AUD

View details
Compare

FINE TUNING SPACER RING M68 1mm

Regular price $25^00AUD

View details
Compare

M42 CAMERA ROTATOR
In stock

Regular price $100^00AUD

View details
Compare

M42 VARIABLE EXTENSION 15 - 18mm
Very low stock (1 unit)

Regular price $159^00AUD

View details
Compare

M42 VARIABLE EXTENSION 20.5 - 30mm

Regular price $49^00AUD

View details
Compare

M48 CAMERA ROTATOR

(1)

In stock

Regular price $120^00AUD

View details
Compare

M48 CONTINUOUS MALE THREAD

Regular price $39^00AUD

View details
Compare

M48 FEMALE METAL CAP - SILVER

Regular price $19^00AUD

View details
Compare

M48 INVERSION RING FEMALE TO FEMALE
Very low stock (1 unit)

Regular price $39^00AUD

View details
Compare

M48 VARIABLE EXTENSION 15 - 18mm
In stock

Regular price $99^00AUD

View details
Compare

M48 VARIABLE EXTENSION 17 - 23mm
In stock

Regular price $69^00AUD

View details
Compare

M54 CAMERA ROTATOR
In stock

Regular price $120^00AUD

View details
Compare

M54 EXTENSION TUBE - 4mm
In stock

Regular price $39^00AUD

View details
Compare

M54 EXTENSION TUBE - 5mm
Very low stock (1 unit)

Regular price $39^00AUD

View details
Compare

M54 EXTENSION TUBE - 6mm
In stock

Regular price $39^00AUD

View details
Compare

M54 EXTENSION TUBE - 7mm

(1)

In stock

Regular price $39^00AUD

View details
Compare

M54 EXTENSION TUBE - 8mm
In stock

Regular price $39^00AUD

View details
Compare

M54 EXTENSION TUBE - 9mm
In stock

Regular price $39^00AUD

View details
Compare

M54 MALE METAL CAP
In stock

Regular price $59^00AUD

View details
Compare

M54 VARIABLE EXTENSION 15 - 18mm
In stock

Regular price $159^00AUD

View details
Compare

M68 CONTINUOUS FEMALE THREAD

Regular price $59^00AUD

View details
Compare

M68 CONTINUOUS MALE THREAD
Very low stock (1 unit)

Regular price $69^00AUD

View details
Compare

M68 EXTENSION RING 5mm
Very low stock (1 unit)

Regular price $89^00AUD

View details
Compare

M68 EXTENSION RING 8mm
In stock

Regular price $79^00AUD

View details
Compare

M68 EXTENSION TUBE - 10mm

Regular price $49^00AUD

View details
Compare

M68 EXTENSION TUBE - 15mm
In stock

Regular price $55^00AUD

View details
Compare

M68 EXTENSION TUBE - 20mm

(1)

Very low stock (1 unit)

Regular price $55^00AUD

View details
Compare

M68 EXTENSION TUBE - 5mm
In stock

Regular price $49^00AUD

View details
Compare

M68 EXTENSION TUBE - 6mm
In stock

Regular price $49^00AUD

View details
Compare

M68 EXTENSION TUBE - 7mm

Regular price $49^00AUD

View details

Showing 150 of 221

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 $)

© 2026 Testar Australia.

Compare /15

Loading...

Loading...

Choose options

Item added to your cart.

View cart