SOS telescope

BRAND
SOS
MODEL
telescope
TYPOLOGY
Batiscope
OPERATION
6 non-magnifying optical lenses correct for water refraction
POWER SUPPLY
/
SIZE mm
Ø 45 x 100
BODY SIZE mm
Ø 45 x 100
TOTAL WEIGHT kg
700
DIAL LIGHTING
/
PECULIARITY
focusing by sliding more or less the small tube from the large - 60° field of view
NOTE
it must be used by immersing the terminal lens in water
NATIONALITY
Italy
YEAR OF PRESENTATION
1967
ORIGIN
catalogs