VISAC (Vixen 6th order aspherical catadioptric) incorporates high-precision 6th order aspherical primary mirror plus 3-element field correction lens, a ring-fixing metal on the objective primary mirror which decreases the lens flare.
Characteristics:
- Type: Reflector telescope (Cassegrain)
- Application range: Astrophotography, Terrestrial observation, Moon, Planets, Nebulaes, Galaxies
- Level: Intermediate, Expert
- Objective lens diameter: 200mm
- Focal length: 1800mm
- Highest practical power: 400x
- Aperture ratio: f/9
- Eyepiece diameter: 31.7mm (1¼")
Delivery:
- Optical Tube
- Flip mirror
- Viewfinder 7x50
- Carrying Handle
Products specifications
|
Aperture
|
200 mm |
|
Max. useful visual power
|
400 x |
|
Connection to eyepiece
|
1 1/4" |
|
Focal length
|
1800 mm |
|
Type of telescope
|
Cassegrain |
|
Focal ratio
|
f/9 |
|
Viewfinder
|
7x50 Finder |
