telestereoscope

from The American Heritage® Dictionary of the English Language, 5th Edition.

• noun A binocular telescope for stereoscopic viewing of distant objects.

from The Century Dictionary.

• noun An optical instrument devised by Helmholtz for producing an appearance of relief in the objects of a landscape at a great distance.

from the GNU version of the Collaborative International Dictionary of English.

• noun (Opt.) A stereoscope adapted to view distant natural objects or landscapes; a telescopic stereoscope.

from Wiktionary, Creative Commons Attribution/Share-Alike License.

• noun A binocular telescope used for producing a stereoscopic image of a distant object.