4mm apochromatic microscope objective, with correction collar, just resolving 90,000 lines per inch, with brass case, made by C. Zeiss, Jena, German, 1890

Details

Category:
Microscopy (Wellcome)
Object Number:
1981-2208 Pt4
Materials:
metal, glass and case, brass
Measurements:
length 44 mm
diameter 24 mm
case: length 54 mm
case: diameter 30 mm
type:
microscope objectives