Altair 50mm Precision Self Centring Extension tube with 2" barrel - Twist Lock
- Harrison Telescopes
- Telescope House
- Tring Astronomy Centre
- Rother Valley Optics
- F1 Telescopes
- Io Astronomy Please note: IO Astronomy voluntarily ceased trading with large unpaid debts affecting the entire UK astronomy industry. You may contact us for problems / issues with Altair or iOptron products ONLY - or try Darkframe Optics / Dave Woods. Unfortunately, we will not be able to support undeclared products bought from the ex-directors after the company ceased trading.
- Astro AS Denmark, Europe
- Robtics Netherlands
- Pierro Astro France
- SkyVision France
- Teleskop Service Ransburg Germany
North America & Canada orders:
- Land Sea & Sky (Takahashi America) North America
- Cloudbreak Optics North America
- Ontario Telescopes North America
Products can be ordered online from Altair with tracked insured shipping to anywhere in the world. For large items shipping price may need to be re-quoted.
Russia orders: Please contact.