Height is about 6 (15cm). Eyepiece (marked 1-4) and give clear images. It also has the original brass cover to the objective.It has a red filter placed inside the eyepiece to allow solar vision. Very fine condition, please note a little rubbing on the red-leather cover of the main tube. FEEL FRE TO ASK FOR MORE INFORMATION OR PHOTOS. The item "A DOLLOND PORTABLE TELESCOPE ca 1780" is in sale since Sunday, January 5, 2020. This item is in the category "Antiques\Science/Medicine\Scientific Instruments". The seller is "danfrie1" and is located in MILANO. This item can be shipped worldwide.