单筒望远镜 Carl Zeiss JENA TURMON 8x21,配有原装盒与镜盒,含一个 +10 度屈光度调节 - Turmon 8x21 - 1980-1990, 1960-1970 - 德国 - Carl Zeiss Jena
Field telescope - Nikon Fieldscope II D=60 P with 20x, 40x Eyepiece, Camera Attachment Adapter - 1980-1990 - 日本 - Nikon
Observation binoculars - PROMINAR High Lander 32x82 Fluorite Binocular Telescope with 2x TE-14WH 32x Eyepieces — Made in - 2000-2010 - 日本 - Kowa
医用光学仪器 - Brass Ophthalmometer (Keratometer) – c. 1885–1895 - 1850-1900 - 法国 - Gilbert Paris Javal & Schiøtz