Astronomical telescope, Table telescope, Celestron nextStar 6SE デジタル望遠鏡 - NexStar 6SE Computerized GoTo Schmidt-Cassegrain Telescope System - Tripod & NexStar+ Controller - 2020+ - United States - Celestron
Field telescope, Astronomical telescope - Fieldscope ED 60 + Wide DS 40x/60x/75x Eyepiece - 2000年〜2010年 - Japan - Nikon
双眼鏡 - 20x60 S Image Stabilized Binoculars (Serial #532376) - Fitted Aluminum Hard Case - 1960-1970 - Zeiss
測量用経緯儀 - Brass Surveying Level Instrument & Tribrach Base #1489 - 1850-1900 - Germany - R. Reiss, Liebenwerda
Observation binoculars - 10x70 SP Waterproof Model 5.1° Polo Prism IF Flattener Lens, Large Aperture - 1990-2000 - Japan - Nikon