Before the introduction of this telescope type by john dobson the vast majority of amateur telescopes were small inadequate refractors on shaky mounts just good enough to show the polar regions on mars or the rings of saturn.
Explore scientific ultra light dobsonian 406mm.
The comment about bk7 glass precisely the same family as pyrex btw bk stands for borosilicate krown and when first formulated satisfactorily batch 7 was the one adopted by schott.
Though i think it needlessly expensive for a mirror substrate.
Ultra light dobsonian 406mm generation ii with completely redesigned and improved construction.
Explore scientific ultra light dobsonian 406mm generation ii 2 490 00 on short call.
Easy to put up take down and collimate.
Bright globular clusters are resolved down to the core and the view of the lunar terminator will provide a unforgettable experience.
Explore scientific dobsonians are built on high quality mirrors with smart design features that makes them surprisingly portable.
Page 2 of 3 explore scientific ultra light dobsonian 406mm posted in reflectors.
No telescope type has influenced amateur astronomy as radically as the dobsonian telescope.
Explore scientific s 10 inch truss tube dobsonian.
No telescope type has influenced amateur astronomy as radically as the dobsonian telescope.
Explore scientific ultra light dobsonian 406mm generation ii ultra light dobsonian 406mm generation ii with completely redesigned and improved construction.
305mm 12 inch f 5 and 406mm 16 inch f 4 5.
Explore scientific ultra light dobsonian.
A telescope with 406mm aperture gathers more than 3300 times more light than the naked eye.
Explore galaxies and nebulae in minutes.
Details on planetary surfaces stand out even to inexperienced observers and countless deep sky objects show details.
The dobsonian telescope design was created by john dobson for an affordable way to get big aperture in an easy to use telescope design.