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Telescope Engineering Company (TEC) Notes and Interesting Articles
INTRODUCTION
A relatively new section, under construction as time and customer interest dictate.
Company Seven is a TEC factory authorized retailer based near Washington, D.C. but also serving an international clientele. Over many decades we have earned a fine reputation for offering good to superb products and services for our clientele. We exhibit examples of our consumer-oriented products at our showroom in Laurel, Maryland. Among items exhibited at Company Seven are historic and current telescopes and other optical systems, with a particular emphasis in first-rate telescopes for astronomy that include achromatic and apochromatic refractors made by highly-regarded names including: Astro-Physics, Carl Zeiss, Nikon, TeleVue, Unitron, Vixen, and more.
This Library section of our web site will gradually be expanded to include instruction manuals and guides to help improve our customer's chances of success with their TEC product.
Right: TEC VT300mm f1.44 Wide Field Camera, an observatory astrographic telescopic lens (38,072 bytes).
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TEC PRODUCTS INSTRUCTION MANUALS
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 "TEC APO160FL Telescope Owner's Manual". Nine page illustrated instruction manual with description and specifications of the TEC APO160FL 160mm f/7 Apochromatic Refractor telescope optical tube assembly. This also describes and illustrates the common accessories including their: Mounting Rings, 12 inch Dovetail Plate, Finderscope, Field Flattener, 2006 era Turret Viewer. Content is in English. Publication content by TEC, all rights reserved. From Company Seven's Archives 449,138 bytes (in Acrobat Reader ".pdf" format).
- "TEC APO180FL Telescope Owner's Manual". Nine page illustrated instruction manual with description and specifications of the TEC APO180FL 180mm f/7 Apochromatic Refractor telescope optical tube assembly. This also describes and illustrates the common accessories including their: Mounting Rings, 12 inch Dovetail Plate, Finderscope, Field Flattener, 2006 era Turret Viewer. Content is in English. Publication content by TEC, all rights reserved. From Company Seven's Archives 459,505 bytes (in Acrobat Reader ".pdf" format).
- "TEC APO180FL Telescope Owner's Manual". Eleven page illustrated instruction manual with description and specifications of the TEC APO180FL 180mm f/7 Apochromatic Refractor telescope optical tube assembly. This also describes and illustrates the common accessories including their: Mounting Rings, 12 inch Dovetail Plate, Finderscope, Field Flattener, 2023 era 5-Port Turret Viewer, and other accessories specific to this telescope. Content is in English. Publication content by TEC, expanded for clarity and content updated by Company Seven for our customers; all rights reserved. From Company Seven's Archives 6,510,154 bytes (in Acrobat Reader ".pdf" format). The download link for this is available solely to TEC customers of Company Seven by request.
- "TEC 5-Port Turret Viewer (2023 v) Instruction Manual". Four page color illustrated instruction manual with description and specifications of the TEC 5-Port Turret Viewer accessory. This describes use and operation, along with specifications determined by Company Seven's evaluations. Content is in English. Publication content by Company Seven for our customers; all rights reserved. From Company Seven's Archives (in Acrobat Reader ".pdf" format). The download link for this is available solely to TEC customers of Company Seven by request.
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C7 TEC TECH SUPPORT ARTICLES
- "TEC Telescope Owner's Guide To Touching Up Paint". Three page illustrated guide by Company Seven to sourcing then touching up minor damage to the exterior finish of the TEC telescope optical tube assembly. Also included is a power coat material manufacturer's product data sheet, this provides additional insight. Content is in English. From Company Seven's Archives 1,542,964 bytes (in Acrobat Reader ".pdf" format). The download link for this is available solely to TEC customers of Company Seven by request.
If you ever find yourself in need of support or repairs for a TEC instrument you purchased from Company Seven, of course you can return a TEC product to the factory or to Company Seven, whichever is more convenient for you. For more about our services read Company Seven | Quality Control, Testing, and Certification Services, or contact us.
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Contents Copyright 1994-2023 Company Seven - All Rights Reserved
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