Intes-Micro's M809 is a breed apart. From this size on, these instruments require heavier duty mounts for maximum stability. The 809 is can easily be considered an observatory class instrument, yet is still small enough to be handled in the field. The tube includes a handle in the rear for handling the scope while mounted. The tube's extensive baffling system eliminates any reflections or stray light from reaching the ep resulting in incredible inky black skies. Tiny diamonds on velvet.
8" f/10 Rumak Maksutov-Cassegrain optical system with moving primary focussing. Optical quality to minimum 1/6th wave front error. Mirror surfaces have 95% reflectivity and Meniscus lens is multi-coated. Internal baffle rings. Rear mounted cooling fan with variable speed controller. Rear cell is fitted with 2" threaded opening to accept any SCT accessory.Quality device L/8 ptv vawefront at 632,8 nm, or better.
Cream-white painted tube.
| Tabellary Data: |
| Aperture |
203 mm 8" |
Focal ratio
|
f/10 |
Focal length
|
2030 mm |
| Finder |
10 x 50 |
| Focussing |
shiftingfree |
Tube length
|
610 mm |
Tube diameter
|
255 mm |
| Weight |
13,0 kg |
| Diameter primary |
219mm |
Diameter secondary
|
64 mm |
| Obstruction |
31% |
Spot dimeter on axis
|
|
Fotogr. FoV
|
|
Spot Diameter edge
|
17,0 µ
|
Fotogr. Spot dimeter
|
40 mm |
Accessories:
- OTA w 12V cooling Fan
- Finder bracket
- Finder 10x50
- Piggyback Camera holder
- paaded transport case
The originale Dew shield must be comand extra, Price 159 €
