PREFACE T hank you very much for your purchase of a Vixen astronomical telescope This manual applies to the VC200L and VMC200L telescopes. You may occasionally find descriptions in the text not relevant to your particular model. Read the instructions for your mount along with this manual if you purchased the telescope as a complete package. WARNING! Never look directly at the sun with the telescope or its finder or guide scope. Permanent and irreversible eye damage may result. CAUTION Do not leave the optical tube uncapped in the daytime. Sunlight passing through the telescope or finder scope may cause a fire. Do not use the product while moving or walking, injuries could result from a collision with objects or from stumbling or falling. Keep small caps, plastic bags, or plastic packing materials away from children. These may cause a danger of swallowing or suffocation. Do not use the product in a wet environment and do not handle with wet hands. HANDLING AND STORAGE Do not leave the product inside a car in bright sunshine or in other hot places. Keep any strong heat sources away from the product. When cleaning, do not use solvents such as paint thinner or similar products. Do not expose the product to rain, water, dirt or sand. Avoid touching any lens or mirror surfaces directly with your hands. In case a lens or mirror becomes dirty with fingerprints or general smears, gently wipe it using a ...
ATTACHING THE FINDER SCOPE Loosen the finder bracket lock screw on the telescope’s finder bracket shoe. Attach the finder scope as shown in the figure and tighten the finder bracket lock screw securely. ACCESSORY CHART You may need an eyepiece as sold separately. The telescope does not come with the eyepiece as standard accessory unless you purchased a package. VISUAL CONFIGURATION Magnification of the Telescope When using an eyepiece with short focal length (small number in millimeters), the image will be dim and the range of sharp focus will be small. The image will be harder to see so begin with an eyepiece with long focal length. Dividing the focal length of the telescope by the focal length of the eyepiece ...
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PHOTOGRAPHIC CONFIGURATION Prime focus Photography Eye piece Projection Photography Photography with Digital Camera Photography with CMOScope or CCD Video Camera Some of the optional accessories shown in this chart will be needed if you take pictures with an SLR camera, digital camera or CCD video camera. Specifications VC200L VMC200L Item # 2632 2733 Optical Design Modified Cassegrain (VISAC) Modified Cassegrain Effective Aperture 200mm 200mm Focal Length 1,800mm (f/9.0) 1,950mm (f/9.75) Resolving Power .58 arc.; 13.3 .58 arc sec; 13.3 Light Gathering Power 816x 816x Tube Diameter, Length & Weight 232mmx620mm; 6kg 232mmx535mm; 5.9kg Finderscope 7x50mm (field 6.8) 7x50mm (field 6.8) Threads 60mm, 42mm threaded for T‐ring/50.8mm, ...