Specification :
• Telescope magnification view : 10 x
• Telescope range : 10 ~ 500m
• Objective Lens : 45mm
• Ringelmann Black range :
a.0 Grade : 0%
b.1 Grade : 20%
c.2 Grade : 40%
d.3 Grade : 60%
e.4 Grade : 80%
f.5 Grade : 100%
• Equipment for working environment :
1. Instruments should be dry, clean place tu use and save
2. Avoid dust, humidity and corrosive gases
3. Best not to use the rain
4. Operating temperature range : -15 up to + 35 ° C
5. Relative Humidity : d 80%
• Complete Unit
a. Manual books
b. Tripod
c. Carrying case