Instruction/ maintenance manual of the product Hunting Equipment Orion
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INSTRUCTION MANUAL Prov iding E xceptio nal Con sumer O ptical Product s Since 1975 Customer Support (800)-676-1343 E-mail: support@telescope.com Corporate Offices (831)-763-7000 P .O. Box 1815, Santa Cruz, CA 95061 100mm f/9 ED Refractor #9975 Optical T ube Assembly C ongratulations on your purchase of an Orion 100mm f/9 ED refractor optical tube.
2 T o use 2" eyepieces , simply loosen the two large thumbscrews on the 2" adapter (Figure 1). Once these thumbscrews are loosened, the entire back end of the focuser , including any 1.25" diagonal and e yepiece that ma y be attached, comes off, e xposing the 2" diameter focuser drawtube .
3 Specifications Optical tube: Seamless aluminum Objective lens diameter: 100mm (3.9") Objective lens: Apochromatic , rear element made of ED glass, air-spaced Objective lens coating: Fully multi-coated Lens cell: Machined aluminum F ocal length: 900mm F ocal ratio: f/9.
4 One-Y ear Limited W arranty This 100mm f/9 ED Refractor is warranted against defects in mater ials or workmanship for a period of one year from the date of purchase.
An important point after buying a device Orion Hunting Equipment (or even before the purchase) is to read its user manual. We should do this for several simple reasons:
If you have not bought Orion Hunting Equipment yet, this is a good time to familiarize yourself with the basic data on the product. First of all view first pages of the manual, you can find above. You should find there the most important technical data Orion Hunting Equipment - thus you can check whether the hardware meets your expectations. When delving into next pages of the user manual, Orion Hunting Equipment you will learn all the available features of the product, as well as information on its operation. The information that you get Orion Hunting Equipment will certainly help you make a decision on the purchase.
If you already are a holder of Orion Hunting Equipment, but have not read the manual yet, you should do it for the reasons described above. You will learn then if you properly used the available features, and whether you have not made any mistakes, which can shorten the lifetime Orion Hunting Equipment.
However, one of the most important roles played by the user manual is to help in solving problems with Orion Hunting Equipment. Almost always you will find there Troubleshooting, which are the most frequently occurring failures and malfunctions of the device Orion Hunting Equipment along with tips on how to solve them. Even if you fail to solve the problem, the manual will show you a further procedure – contact to the customer service center or the nearest service center