Like new 8" TMB APO Refractor
clear optical aperature 203 mm
focal length 1800 mm
optical design triplet airspaced Super ED-Apochromat
lenses 99.75% transmission coated per surface
total transmission of triplet objective ~ 95-96%
focuser size inside 4"
focuser 4" rack and pinion, 360° rotatable
focusertravel 135 mm
focuser extension 4" diameter 4" long
shortest possible tube length 1.600 mm
tube diameter 236 mm
dewcap diameter 270 mm
standard tubelength during observing 2.030 mm
backfocus 220 mm
optical tubeweight include tuberings, extension, finderbracket and finder 33.2 kg = 73 Lbs
tube weight without optics, tuberings, finderbracket 17,15 kg =37,7lbs
weight of finderbracket 700 gramm
weight of 2 tuberings 3.35 kg = 7.37 lbs
thread on focuser and extension M110x1,5 (lenght 8 mm)
This telescope was only used twice. Excellent views as expected from this quality level of of telescope.
Color correction of the highest quality available anywhere.
Like new condition pristene optics.
New price is over $20k
Make a reasonable-serious offer.