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Astrophotographers generally use two different focal lengths: Short focal lengths for overview photos and extensive deep-sky objects, and long focal lengths for objects which are further away. Our aspherical mirror optics offer the perfect solution for these scenarios. The VISAC primary mirror (Vixen Sixth-Order Aspheric Cassegrain) is specially designed for astrophotography and provides a fully flat and true-colour image over the entire image frame. Thanks to the three-element field corrector in front of the convex secondary mirror, there is no spherical aberration, coma or field curvature. Although the device is designed for astrophotography, it is also suitable for visual observations.
FEATURES
DELIVERY CONTENT
FEATURES
- Photographically optimized thanks to field flattener lens
- Revolutionary coating technology
- High light-gathering power
- Photographically optimised optical system
- Built-in field flattener lens
- 200 mm aperture and 1800 mm focal length
- Optional reducer available
- Backfocus without Reducer: 142,9 mm
- Backfocus with Reducer: 63,5 mm
- Weight: 6.9 kg
DELIVERY CONTENT
- VC200 reflector telescope
- Carry handle
- 7x50 finder scope (illuminated)
- Flip mirror
- Dovetail adapter
Technical Data
| Field of application | |
|---|---|
| Field of application |
|
| Focus group | |
| Focus Group |
|
| Product family | |
| Product Family | Reflector telescope |
| OPTICAL SPECIFICATIONS | |
| Optical design | Cassegrain |
| Maximum recommended magnification | 400 |
| Mirror/Lens diam. | 200 mm |
| Focal length | 1800 mm |
| Aperture ratio | 9 |
| Angular resolution | 0.58 arc seconds |
| Type of coating | coated |
| Finderscope | 7 x 50 mm |
| GENERAL TECHNICAL DATA | |
| Material OTA | Aluminium |
| Colour | white |
| Type of tripod thread | 60 mm |
| Transportability | very good |
| Eyepiece Barrel Diameter | 31.7 mm |
| Material | Aluminium |
| Dust protection caps | Dust protection caps for front lens and eyepiece holder |
| Mount Type | Optics without Mount |
Technical Data
| Field of application | |
|---|---|
| Field of application |
|
| Focus group | |
| Focus Group |
|
| Product family | |
| Product Family | Reflector telescope |
| OPTICAL SPECIFICATIONS | |
| Optical design | Cassegrain |
| Maximum recommended magnification | 400 |
| Mirror/Lens diam. | 200 mm |
| Focal length | 1800 mm |
| Aperture ratio | 9 |
| Angular resolution | 0.58 arc seconds |
| Type of coating | coated |
| Finderscope | 7 x 50 mm |
| GENERAL TECHNICAL DATA | |
| Material OTA | Aluminium |
| Colour | white |
| Type of tripod thread | 60 mm |
| Transportability | very good |
| Eyepiece Barrel Diameter | 31.7 mm |
| Material | Aluminium |
| Dust protection caps | Dust protection caps for front lens and eyepiece holder |
| Mount Type | Optics without Mount |
Product reviews
Vixen VC200L Optical tube
What our customers say:
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