Zeměměřické a astronomické přístroje používané na území ČR od 16. do konce 20. století
Kolibřík
The manufacturer's name on the device
- Optikotechna
- VÚGTK: S0007
- Owner: Národní technické muzeum
- Manufacturer: Optikotechna
- Made: 01.01.1935
- Length: 50 mm
- Width: 45 mm
- Height: 70 mm
- Weight: 520 g
- S/N: 09061
- cross hairs:
-
- telescope type: non-removable
- tripod connection: special
- type of clamp: clamp on the axis
- compensator: no
- unite: ° ' "
- distance meter type: optical
- construction of the distance meter: integrated
- variable telescope length: no
- telescope length with retracted eyepiece: 95 mm
- telescope length with extended eyepiece: 96 mm
- telescope diameter: 20 mm
- minimum telescope focusing distance: 1950 mm
- telescope magnification: 10
- horizontal circle: yes
- horizontal circle diameter: 36 mm
- main reading scale of the horizontal circle: vernier
- number of reading scales of the horizontal circle: 1
- the smallest segment of the horizontal circle: 30'
- segment of the vertical circle: no
- cross level: no
- leveling vial: yes
- length of leveling vial: 49 mm
- bubble length of the leveling vial: 17 mm
- striding level: no
- sensitivity of the striding level or leveling vial: 65 "
