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Related Manuals for Vixen A70Lf
Summary of Contents for Vixen A70Lf
- Page 1 VIXEN A70Lf, A80Mf, R130Sf Vixen Optics a Division of MrStarGuy, Inc. www.vixenoptics.com...
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Page 2: Handling And Storage
PREFACE T hank 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. 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. ... - Page 3 ATTAC CHING TH HE FINDE ER SCOPE E (A70Lf) 1. Loose n the 2. Atta ch the finde r chrom me finder scop pe as shown in n bracke et lock the figure . screw on the Tigh ten the finde r telesco ope. brac cket lock screw w ...
- Page 4 HOW TO ALIGN THE FINDER SCOPE- Be sure to align the finder scope with the telescope before you start observing. ALIGNING THE FINDER SCOPE – A70Lf *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. In the illustration, the tower is seen in the upper right of the finder’s field of view. *Align the optical axis (field of view) of the finder scope with the optical axis (field of view) of the telescope. Adjust the finder scope by loosening or tightening two or three adjustment screws at a time in turn until the target is in the same position, in the center of the cross hairs. In the illustration, the top of the tower is in the center of the crosshairs. The top of the can be moved toward the center of the crosshairs by loosening the adjustment screw A, B and tightening the adjustment screw C. ALIGNING THE FINDER SCOPE – A80Mf or R130Sf ...
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Page 5: Accessory Chart
ACCESSORY CHART A70Sf, A80Sf and R130Sf Visual configuration A70Sf, A80Sf and R130Sf Photographic configuration SPECIFICATIONS- The Specifications are subject to change without notice. Specifications A70Lf A80Mf R130Sf Item # 2602 2603 2604 Optical Design Achromatic Refractor Newtonian Reflector Effective Aperture 70mm 80mm 130mm Focal Length 900mm (f/12.9) 600mm (f/7.5) 650mm (f/5.0) Resolving Power 1.66 arc.; 11.0 1.45 arc sec; 11.3 0.89 arc sec; 12.3 Light Gathering Power 100x 131x 345x Tube Diameter, Length & Weight ... - Page 6 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 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. And then defocus slightly and you will look for striped patterns that surround the star. If the striped pattern can be seen as a concentric image, your telescope is properly aligned Collimated Properly Mis‐Collimated In Focus Out of Focus In Focus Out of Focus MrStarGuy, Inc. 1010 Calle Cordillera, San Clemente, CA 92673 (949) 429-6363 www.vixenoptics.com...