Lunt Engineering ED Doublet Optical Tube Assemblies

The 70 mm f/6 Optical Tube Assembly with Optional Diagonal & Eyepiece

The 70 mm f/6 Optical Tube Assembly with Optional Diagonal & Eyepiece

Whether you are looking for an optical tube for your Lunt front-mounted h-alpha solar filter, a guidescope, or a portable celestial telescope that you can trick out the way you want, Lunt Engineering has the OTA for you.

We offer three optical tube sizes:  70 mm, 80 mm, and 102 mm.  All three are ED doublet refractors and are fully multi-coated.  They come with a 2″ dual speed (10:1) Crayford style focuser for smooth and precise coarse and fine focusing.  You will also receive a 2″ to 1.25″ adapter so that you can use both 2″ & 1.25″ eyepieces.  The optical tube assemblies are white powder-coated aluminum and sport the Lunt Engineering logo.

A foam-fitted case is included in this package.  With your Lunt Engineering OTA and a few extra accessories, you will be ready for just about anything…solar viewing, photography, celestial observations, terrestrial adventures, and more.

Here are links to each of the Lunt Engineering OTA’s:

Lunt Engineering 70 mm f/6 Optical Tube Assembly

Lunt Engineering 80 mm f/7 Optical Tube Assembly

Lunt Engineering 102 mm f/7 Optical Tube Assembly

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