National Geographic

90mm Automatic

 

Diameter : 90mm
Focal Length : 1250mm
X Power : 180x Magnification
Mount : Alt-Azimuth Electronic

 

2,

Skywatcher

BK MAK102 AZ GT

 

Diameter : 102mm
Focal Length : 1300mm
X Power : 204x Magnification
Mount : Alt-Azimuth Electronic

 

 

Skywatcher

BK MAK127 AZ GT

 

Diameter : 127mm
Focal Length : 1500mm
X Power : 254X Magnification
Mount : Alt-Azimuth Electronic