Related Manuals for TEC APO 140
Summary of Contents for TEC APO 140
- Page 1 “This telescope is closer to optical perfection more than any instrument I have ever used before.” R.Renzi, Italy. OWNER’S MANUAL 2005...
- Page 2 If you have any questions or need assistance - please contact us: Phone: 303 273 9322 • Fax: 303 273 0204 E-mail: tec@telescopengineering.com • Web site: www.telescopengineering.com User’s group site: http://groups.yahoo.com/group/tec-scopes Address: Telescope Engineering Company • 15730 West 6-th Ave. Golden CO, 80401. USA...
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Page 3: Getting To Know Your Telescope
This manual has been written to help you enjoy using your TEC APO 140 refractor. APO 140 has a number of features that in a given combination are rarely found in one scope: Precision apochromatic objective with modern coating that makes lenses almost invisible... - Page 4 The Feather Touch 3545 was a collaboration design effort between Telescope Engineering Co. and Starlight Instruments for TEC’s line of fine refractors. It was designed to provide the user the with the best possible control while focusing using a 9:1 fine focus reduction assembly along with other features that make the use of the telescope simple and functional.
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Page 5: Warranty
Flange. This should only be done in rare circumstances and after contacting Starlight Instruments or TEC because of possible damage that may result. 5. The Draw Tube (fig. 6.10) is fitted with 3 Stainless Steel wear strips (fig. 6.11). These strips provide very low friction between the Housing (fig. - Page 6 OPTICS APO140 is an Aplanatic Oiled Triplet refractor with ED glass (FPL-53) as a middle element. The color correction is optimized for visual use with focus shift less than 0.02% from 436nm to 1000nm. Calculated Strehl for e-line (546nm) is 0.99. Intereferometry of the first run lenses showed that the aver- age Strehl is close to calculated...
- Page 7 Though having the same width and hole pattern as Losmandy plates, the TEC Dovetail Plate is only 9" long. The shorter length not only allows it to be lighter, but also provides you the...
- Page 8 Spring Cover (6).The Finder holder has two 10-32 set screws (8) on the objective side and two 10-32 Alignment Thumb Screws (5). A special insert (7) must be installed in the finder’s body. TEC performs this installation for free in any brands. Please note that finder’diameter should not be larger than 2”.
- Page 9 This new component will let you change your favourite eyepieces very fast - just click from one to the next one and enjoy observing. Latest updates for this manual or new accessories are available on our web: www.telescopengineering.com and on TEC-scopes users group: http://groups.yahoo.com/group/tec-scopes.
- Page 10 FOCUSING DIAGRAM Focusing tube is completely "IN" Unvignetted field dia. ~1.0" 7,0" BACK FOCUS Focusing tube is completely "OUT" Unvignetted field dia. ~1.6" 3" long extension tube is required for straight through viewing 4,5" FOCUS TRAVEL 2,5" With the 2" diagonal focusing tube is in the middle position Unvignetted field dia.
- Page 11 If you find any problems, or have any comments - please call us for assistance. Telescope Engineering Company is commited to serving it’s customers after sale for unlimited time. Yuri Petrunin, TEC President. TEC APO140 UPDATES RUN I (2002) RUN II (2003)