Vixen Optics Vc200l Telescope With Sx2 Mount & Tripod
- Product Code: eq150247
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Vixen manufactures fine telescopes in several aperture sizes and configurations, to assure that you'll find one perfect for you. Their VC200L 200mm f/9 Catadioptric Telescope is neither a Schmidt-Cassegrain or a Maksutov-Cassegrain, but rather a unique creation all its own: a catadioptric Vixen Sixth-Order Aspheric Cassegrain (VISAC) optical system, one of the most sophisticated optical designs available on the market today. This design is free of coma and field curvature, as well as spherical and chromatic aberrations. Especially noteworthy is its sharpness and flatness at the edges, which far exceeds that of Schmidt-Cassegrain systems of the same aperture. It provides a pinpoint star image less than 15 microns, even at the edges of its 42mm image circle. If you're looking for a photographic catadioptric, this is an excellent choice.
The Vixen VISAC optical system is composed of a concave primary mirror, a convex secondary mirror, and a three-element field corrector at the base of the focuser. The primary mirror is a unique innovation: A precise sixth-order shape produced by Vixen's High-Precision Poly-Order Aspherical Mirror Molding Technique.
200mm VISAC Catadioptric Design 1800mm Focal Length, f/9 Focal Length Motorized Mount with Wireless Control 25-39" HAL130SXG Aluminum Tripod
Parameters | |
---|---|
Optical Design | Catadioptric |
Aperture | 7.9" / 200mm |
Focal Length | 1800mm |
Focal Ratio | f/9.0 |
Maximum Useful Magnification | 393x |
Resolving Power | 0.58 |
Optical Tube Dimensions | W x L: 9.1 x 24.4" / 23.2 x 62.0 cm |
Eyepiece Barrel Diameter | 2.4" / 60 mm |
Finderscope | 7x50 7.0° Straight |
Weight | 15.20 lbs / 6.90 kg |
Packaging Info | |
Package Weight | 23.55 lb |
Box Dimensions (LxWxH) | 28.2 x 15.7 x 13.5" |
Rack-and-pinion focusing mount accepting optional 2.00" eyepieces/accessories
Available f/6.4 focal reducer for photographic use
Open tube design eliminates dew problems common to conventional Schmidt/Maksutov-Cassegrain systems
Works wonderfully with all Vixen equatorial mounts
Built-in T-mount adapter allows simple astrophotography (with addition of camera-specific T-mount)
Related Questions and Answers
Q: 1. How are the telescope focal length (1950 mm) and focal ratio (9.75) defined? Focal length is the distance from the focus to what? Focal ratio is the ratio of what to what?
A: Focal length is the distance (given in millimeters) between the telescope's primary lens or mirror and the point where the light rays come together in focus. The focal ratio is the focal length divided by the lens diameter. For the Vixen Optics VMC200L, that would be 1950 divided by 200 = 9.75.
Q: 2. How can the Advance Polaris be mounted on a regular tripod?
A: The Vixen Optics Advanced Polaris-M Motorized EQ Mount with Star Book One BH #VIAPSMM • MFR #39973 cannot be mounted to a camera or a video tripod. Also there is no adapter that would allow it.
Q: 3. Will Vixen Optics Porta II Tall+ Alt-Azimuth Mount work with this scope?
A: Yes it is compatible.
Q: 4. What will be the maximum high with legs extended?
A: Measured straight down from the top of the tripod base to the ground with the legs fully extended, the maximum height is 3' 10.5"
Q: 5. Is this a 2 elements or 3 elements refractor?
A: This model has 2 elements.
Q: 6. Can I use a 2" dielectric star diagonal mirror with the Vixen SD 81S or Vixen SD 103S? Thanks
A: The Vixen Optics SD103S 103mm f/8 ED APO Refractor Telescope (OTA Only) BH #VISD103S • MFR #ES26147 was only designed foe 1.25"
Q: 7. Is there a go to that can be used with this mount?
A: Celestron 93522 is the dual axis motor for this to allow tracking. You would not be able to add GoTo to this mount. I would suggest the Celestron AVX mount for a GoTo mount.
Q: 8. HiIn what country was this scope made?
A: This item is manufactured in China
Q: 9. Is this unitmade in japan?
A: The Vixen Optics R130SF 130mm f/5 Reflector Telescope is made in China.
Q: 10. Is there any way to adjust the declination indicator wheel?
A: yes, they're is an allen head grub screw around the 70 degree mark on ring. On the side of the declination clutch. Takes a 1.5 mm allen head wrench.
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