The Vixen VMC260L is a portable 10.23" modified Cassegrain that is only 20" long and weighs just 22 lbs. The VMC260L has no corrector plate to collect dew, and the meniscus lens offers a large corrected field. It is great for astro-imaging. This model of the VMC260L comes with a Vixen Atlux-style mounting rail, but no other accessories. Like the popular Schmidt-Cassegrain, the Vixen VMC260L is a true all purpose telescope. Despite its long focal length, the tube is only about 50cm (20ý) long. As a result the instrument is very portable.
With its large aperture of 260mm the Vixen VMC200L collects enough light for serious visual and photographical applications of both the planets and the deep sky.
Vixen's special Catadioptric design consists of two mirrors and two corrector lenses, one of which is a meniscus lens. The corrector lenses, placed in front of the secondary mirror, virtually eliminate spherical aberration and field curvature. Focusing is through primary mirror movement. The VMC has very good contrast. It is an excellent telescope for observing globular clusters, double stars and distant planets.
With its open tube the telescope cools down quicker than an SCT or classical Maksutov-Cassegrain.
Another strong point of this telescope is its capability for high-grade astro-imaging. The meniscus correcting lens offers a large, corrected field. With the optional reducer you get shorter exposure times.
The basic configuration already contains a piggy-back camera holder. You can then take photos through the telescope, using a telephoto lens parallel to the main instrument, or you can use the VMC260 for guiding while the camera sits on top.
Vixen VMC260L - 10.2" f/11.5 Modified Cassegrain OTA Specifications
Optical Design: Modified Cassegrain
Aperture: 10.23" (260mm)
Focal Length: 117.7" (2990mm)
Focal Ratio: 11.5
Resolving Power: 0.45 arc seconds
Limiting Magnitude: 13.8
Light Gathering Power: 1380X
Tube Dimensions: 13.4" x 25.6" (340mm x 650mm)
Tube Weight: 22 lbs (10kg)
Mounting Rail: Atlux
Threads/Visual Back Size: 60mm, 42mm threaded for T-ring/50.8mm, 31.7mm push fit
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