กล้องดูดาวผสม มักซูทอฟแคสซิเกรน Orion SkyView Pro 180mm Goto Maksutov-Cassegrain Telescope

User level
Advanced

Optical design
Maksutov – Cassegrain

Optical diameter
180 mm

Finder scope lens diameter
50 mm

Focal lengh
2700 mm

Focal ration
f/15.0

Eyepieces
Sirius Plossl 25.0 mm (1..25″)

Magnification with included eye pieces
108x

Resoving power
0.64 arc*sec

Lowest useful magnification
26x

Highest useful magnification
300x

Highest theoretical magnification
360x

Limting stellar magnitude
14.0/p>

Optiical quality
Diffraction Limited

Finder scope
9×50

Focuser
Internal

Diagonal degrees
1.25″ 90 Prism Star

Secondary mirror obstruction
2 mm

Secondary mirror obstruction by diameter
23%

Secondary mirror obstruction by area
5%

Mouth type
Equatiorial

Asto-imaging capbility
Lunar planetary & long exposure

Dovetail bar system
Yes

Computerzied capbility
Go-to included

Alignment procedud
3-Star Alignment , 2-Star Alignment , 1-Star Alignment

Number of Object in database
42,000+

Tracking rates
Sidereal , Solar and Lunar

Motor speeds
3.4/sec , 600x , 500x , 400x , 64x , 32x , 18x , 8x ,2x , 1.75x , 1.5x , 1.25x

Motor type
Microstep driven stepper motors

Bearing material
Sealed ball bearings