Vixen 8" VMC200L Modified Cassegrain w/ Porta II Alt-Az Mount

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Vixen 8" VMC200L Modified Cassegrain w/ Porta II Alt-Az Mount
$1,398.00
Item # VX-58291P2
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  • The Vixen 8" VMC200L Modified Cassegrain Telescope achieves high quality optical efficiency by allowing light to be corrected twice on the optical path.
  • This unique catadioptric optical system is lightweight for convenient portability.
  • The Vixen Porta II Mount accepts a universal dovetail plate, allowing for the attachment of any compatible telescope or binoculars.
  • Two flexible slow motion control handles adjust movement in altitude and azimuth (up, down, right and left) and includes an tension-adjustment/ friction system for manual slewing.
  • The Vixen Porta II Mount is a deluxe version of the now-famous alt-azimuth Porta Mount.
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Vixen 8" VMC200L Modified Cassegrain Telescope


A unique catadioptric optical system, the Vixen VMC200L includes a primary as well as a meniscus corrector right in front of a secondary mirror. This enables light to be corrected twice on the optical path for corrected spherical aberration and field curvature that achieves high quality optical efficiency. The focal ratio for the primary mirror is f/2.5 while the compound optical system is f/9.75. This allows for much more convenient portability than similar competing telescopes. By having the optical corrector before the secondary mirror, the VMC200L bypasses the obligatory corrector plate along with all the dewing issues relating to closed optical tubes.

Another critical feature is the rack and pinion focuser placed behind the primary mirror. This focusing system removes the image shift common with other SCT sytems. This becomes particulary crucial when utilizing high power magnifications for astro-imaging. The image is steady and easy to modify while focusing.

Vixen Porta II Alt-Azimuth Mount


The lightweight alt-az "Porta" mount can be the heart of an exceptionally portable telescope/mount system. The Vixen Portamount II features a newly designed friction system for quickly pointing toward the target and tracking it with the 360° slow-motion controls. No fumbling with clutches or sectional slow-motion controls! Leave the heavy counterweights with the equatorials: simply balance scopes up to 155mm diameter on the altitude axis and start viewing!

The Vixen Porta Mount II comes equipped with two fine adjustment handles for whole circle slow motion in both directions - a necessity when searching for and tracking celestial objects. Or how about adjusting the friction level so the mount simply stays where you put it? In addition, the Vixen Porta is a great mount for terrestrial viewing, too. Its gear drives make it a simple matter to precisely track a planet or a ship on the horizon by just turning the elevation and/or azimuth control handles.

The Porta in this Vixen mount's name stands for "portability"... and with good reason. It weighs only 12 pounds including tripod - yet will support a payload of 20. The “World-Standard” dovetail attachment system on Porta II was developed by Vixen. This allows the Vixen Porta II Mount to accept various dovetail mounted optical tubes and binoculars - making it a splendid travel companion for hikers, birdwatchers, traveling astronomers and more!

Standard Vixen dovetail mounting slot with lock and safety screw is fully Vixen Sphinx and Great Polaris-compatible. Mounting slot removes to reveal ¼"-20 and M8-1.25 threaded holes for custom mounting solutions for your scope, too!. The PortaMount II features switchable slow-motion knobs, tension adjustment and disassembly tools, built-in tool storage bay, tripod tray and aluminum legs.

Vixen Product Number: 58291P2

Additional Information

Additional Information

SKU VX-58291P2
Manufacturer Vixen
Telescope Series Vixen VMC
Optical Design Modified Cassegrain
Mount Type Alt-Azimuth - Manual
Warranty 5 Year Warranty
Telescope Aperture 8" (200mm)
Telescope Focal Length 1950mm
Telescope Focal Ratio f/9.75
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Included Items

Included Items

  • Vixen VMC200L Modified Cassegrain Telescope
  • Porta II Alt-Az Mount
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