Explore Scientific BT-70 SF Giant Binoculars solar telescope accessories): 27

accessories): 27

This 15mm extension tube is simply screwed into the M48 thread of either a 2" eyepiece or 2" adapter and it provides an additional 15mm optical length to your image train

5" HEXAFOC focuser with 2" and 1 1/4" adapter

Fine-optically polished glass to ensure accurate 1/4 wavefront and highest parallelism over the both surfaces

The objective is cosmetically checked and cleaned

Explore Scientific BT-70 SF Giant Binoculars solar telescope accessories): 27Observe the beauty of the starry night sky in almost 3D with these specialised Explore Scientific Giant Astro Binoculars. globular star clusters, glowing gas nebulae, the moon with its many craters and even planets can be observed in outstanding detail on a clear night. Also suitable for viewing nature and landscape during the day. These large, light gathering lenses and professional grade coatings on all lens surfaces, ensure these binoculars produce