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Summary of Contents for Explore Scientific Newton N208
- Page 1 N208/812 Newton 208/812 (8") · f/3.9 Parabolic Newtonian Reflector Item # BR-N20839 Item # N208CF INSTRUCTION MANUAL...
- Page 2 · General Safety Information · These operating instructions are to be considered a component of the device. Please read the safety instructions and the operating instructions carefully before use. Keep these instructions for renewed use at a later date. When the device is sold or given to someone else, the instruction manual must be provided to the new owner/user of the product.
- Page 3 Scope of delivery Fig. 1 - 3 -...
- Page 4 Parts Overview Fig. 3 Fig. 2 Fig. 4 - 4 -...
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Page 5: Parts Overview
Parts Overview (Fig. 1) A Ocular Tube Assembly B Cradle with handle and 1/4 20 camera adapter C Vixen dovetail D Soft sided carry case (Fig. 2) 1. Cradle 2. 2" Dual Speed Focuser 3. Secondary 4. Cradle 5. Vixen 6. -
Page 6: Installing Accessories
Installing Accessories Inserting the eyepiece (Fig. 12) Fig. 12 For visual observing the delivered focuser extension tube is always to be used. 1. Insert an eyepiece (Fig. 1, F) into the eyepiece holder (Fig. 12, 15). 2. Tighten the clamp screw (Fig. 12, 17) slightly. 3. -
Page 7: Mounting A Camera
How To Align a View Finder (View Finder is not included) Fig. 15 1. Remove the dust protection caps from your telescope and finderscope tube. 2. Insert a lens with medium magnification in the lens mounting of the telescope itself. 3. - Page 8 Calculating the magnification The magnification, or power of a telescope is determined by two factors: the focal length of the eyepiece and the focal length of the telescope. Your telescope is supplied with one eyepiece. The focal length of the eyepiece, 26mm, is printed on its side.
- Page 9 You can find the a ctual p osition o f the p lanets i n astronomy circulars a nd s oon o n the information center of the Explore Scientific homepage. T he following p lanets are especially suited for observations with your telescope: Venus The diameter of Venus is about 9/10 the diameter of the Earth.
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Page 10: Deep-Sky-Objects
human observer of this planet in 1610 couldn't know that the planet had rings – he described that Saturn had "ears". The rings of Saturn mainly consist of billions of icy particles – from tiniest dust up to the size of a house. The biggest division in the rings, the so called “Cassini division”... -
Page 11: Useful Tips
Useful tips By the way, you might have noticed something strange when you looked through your eyepiece. The image is upside down, and it is also reversed. That means reading words can be a problem or viewing objects on the ground can be a problem. But it has no affect on astronomical objects. Because of the Earth's rotation all objects seem to drift across the field of view. -
Page 12: Maintenance And Care
Maintenance and Care Maintenance Your telescope is a precision instrument that will provide many years of fun. When you are treating this telescope with the same care as for example an expensive camera, it is very unlikely that you will ever need to return it for service or maintenance. Please notice the following rules: 1. - Page 13 Maintenance and Care direction. Note that these offsets have been performed at the factory prior to shipment of your telescope. It is only necessary for you to confirm that the telescope has not been badly jarred out of collimation, and to perform the final fine-tuning of Step 4, below. To check and, if necessary, set the optical collimation, follow these steps: 1.
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Page 14: Technical Data
Maintenance and Care Technical data PN 208/812 Photo Newton EXPLORE SCIENTIFIC Metal-tube with adjustable clips, universal dovetail adapter and handle. Tube four armed, steel Secondary mirror holder 8" (208 mm), parabolic 85 mm Primary mirror Secondary 812 mm mirror Focal length f/3.9... - Page 15 · Disposal · Dispose of the packaging materials properly, according to their type, such as paper or cardboard. Please take the current legal regulations into account when disposing of your device. You can get more information on the proper disposal from your local waste-disposal service or environmental authority.
- Page 16 Explore Scientific warrants your product to be free from defects in materials and workmanship. Explore Scientific will repair or replace such product or part thereof which, upon inspection by Explore Scientific, is found to be defective in materials or workmanship. As a condition to the obligation of Explore Scientific to repair or replace such product, the product must be returned to Explore Scientific together with proof-of-purchase or product registration satisfactory to Explore Scientific.
- Page 18 www.explorescientificusa.com 1010 S 48th Street Springdale, AR 72762...
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