VIXEN M rS ta rG uy ,I nc . A70Lf, A80Mf, R130Sf Vixen Optics a Division of MrStarGuy, Inc. www.vixenoptics.
Thank you very much for your purchase of a Vixen astronomical telescope This manual applies to the A70Lf, A80Mf and R130Sf 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.
ATTAC CHING TH HE FINDE ER SCOPE E (A70Lf) 1. Loosen the chrom me finder brackeet lock screw on the ope. telesco 2. Attach the finder scop pe as shown in n the figure. Tighten the finder w braccket lock screw secu urely. ATTAC CHING TH HE FINDE ER SCOPE E (A80Mf OR R130 0Sf) nc ,I uy rS ta rG Tighten the t two adjustmeent screws so that the finder f scope iss aligned as a shown in thee figure.
HOW TO ALIGN THE FINDER SCOPE- Be sure to align the finder scope with the telescope before you start observing. nc ,I uy *Choose a conspicuous target in the distance and place the target in the center of the field of view of the telescope. In the illustration, a distant tower is brought into the center of the field of view of the telescope. *Next, look through the finder scope. You should find the same target within the finder’s field of view.
ACCESSORY CHART ta rG uy ,I nc A70Sf, A80Sf and R130Sf Photographic configuration . A70Sf, A80Sf and R130Sf Visual configuration rS SPECIFICATIONS- The Specifications are subject to change without notice. M Specifications Item # Optical Design Effective Aperture Focal Length Resolving Power Light Gathering Power Tube Diameter, Length & Weight Finderscope Threads Magnification Accessories Photography Total Weight A70Lf 2602 Achromatic Refractor 70mm 900mm (f/12.9) 1.66 arc.; 11.
COLLIMATION The optics of the telescope are aligned correctly at Vixen’s factory before shipment. It is rare that telescopes go out of alignment, unless its tube is knocked strongly. Follow procedure below to determine if the telescope is out of collimation. Examine the Collimation Mis‐Collimated In Focus . Collimated Properly nc Select a second‐ or third‐magnitude star and place it the center of the telescope’s field of view by using a moderately high power eyepiece. Focus the star precisely.
