TEC 300 F5.6 ADLADL stands for Astrograph Diffraction Limited, it is a 5-element optical system with two mirrors and 3-lens field corrector. It is most compact, elegant and the lightest astrograph of given size on a market.

Aperture 300mm’Focal length 1680mmRatio 5.6Image scale 2 arcmin / mmField diameter 52mm (36 x 36 mm chip)

Mirrors substrate Quartz or zero-expansion SitalMirrors coatings Enhanced Aluminum, 95-96% average reflectivityFocuser type helicalFocus travel 10mmPrimary cooling 4 Papst (Germany) low vibration fansOTA made of Aluminum alloys and Titanium tubes. It is thermocompensated.

OTA weight 36lb (16kg)OTA  length 29” (735mm)

Price on request

Optional accessories: Kendrick Astro-system dew controller with secondary mirror heating, FLI ATLAS  focuser, adapters, TEC 9” dovetail.

Mount recommended 10 Micron GM 1000 (with absolute encoders)

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Astrograph has diffration limited flat field for spectral range from 400nm to 700nm

The distance from the back plate to focal plane is 198mm (7.8”).

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Shown pictures are taken during ASAE 2012 exhibition (Nov. 9-10).More pictures could be found on tec-scope group files:

http://tech.groups.yahoo.com/group/tec-scopes/files/2012%20ASAE/Link to the video:

http://www.youtube.com/watch?v=TA-j9mV8A6Y&feature=youtu.be

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tec@idcomm.comTelescope Engineering Company

15730 W. 6-th Ave., Golden, CO 80401. USAPhone: 303 273 9322

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