1.25" Lightwave Premium Dielectric Diagonal
A premium dielectric coated diagonal which is small and compact with very high quality machining and a super-hard black anodised chassis and silver sides. Delivers all the optical and mechanical quality you'd expect from a premium diagonal.
New improved silver side version with anti-slip barrel and easy grip thumbscrew.
- Perfect for small airline portable refractors.
- Non-metallic coatings with 99% reflectvity.
- Scratch resistant dielectric mirror coating enabling more frequent cleaning than aluminium coated diagonals.
- Threaded for use with standard 1.25" eyepiece filters.
- Blackened interior for high contrast (especially recommended for the moon, sun and planets!).
- Non-marring brass compression ring
- Includes dust caps both ends, and a foam filled box.
- Tring Astronomy Centre (Hertfordshire, Advanced Stockist)
- Green Witch (Birstal & Cambridge, Advanced Stockist)
- Telescope House (Kent, Advanced Stockist)
- Harrison Telescopes (Stockist)
- Rother Valley Optics (Stockist)
- Wex Photographic (Norwich, Stockist)
- Ian King Imaging (Kent, Stockist)
- Peak 2 Valley Instruments (Derbyshire, Stockist)
- Widescreen Centre (Cambridgeshire, Stockist)
- F1 Telescopes (Kent)
- Grovers (North Yorkshire)
- 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.
European orders - order on this page or contact our European dealers:
North America & Canada orders:
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.
Availability: If product shows as out of stock, please click on the "Notify me when in stock" button to receive instant notification of availability. Altair Astro and iOptron reserve the right to change the product price and specification without notice.