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110 manuals_110 manuals 6/27/2010 8:16 PM Page 4
GETTING TO KNOW YOUR TELESCOPE
6
7
PARTS AND THEIR FUNCTIONS ARE IDENTIFIED AND DESCRIBED BELOW:
1 - Front Cover. Made of anodized black aluminum. It has TEC logo in the center.
2 - Retractable Sliding Baffle. This feature makes the OTA shorter for handling and transportation.
Open end of the baffle is rounded to improve aerodynamics of the front end of telescope. Rounded
edge creates less turbulence compared to straight cut baffles
3 - Baffle flange. It holds the baffle with four 2-56 Button Head Screws
4 - Tube assembly (OTA). The tube interior is coated with special light absorbent coating and has two
sharp edge diaphragms, which block internal reflections.
5 - Clamshell ring with handle (see separate description)
6 - Focuser (see separate description)
7 - Plug. It is a small part to keep the focuser end closed when not in use. It also has TEC logo.
CLAMSHELL RING
Clamshell contains upper and lower semi-round parts, handle (5.1), latch (5.3), hinge (5.4)
Handle can be removed by unscrewing the flanged screw (5.2) with 5/32" hex key. To remove OTA
from the clamshell ring, lift the latch wing up, make half counter clockwise turn, disengage latch upper
end from the small pin and open clamshelf.
The hole pattern of the bottom has two 1/4-20
(5.5) (5.6) and one 3/8-16 threaded hole (5.7)
these are standard threads for photo tripods.
1/4" holes are 48mm apart.
PLEASE
NOTE, that max screw length
allowed to go into the clamshell bottom
must be 1/4" or shorter
5
to avoid touching
the OTA.
3
4
5.1
5.2
5.3
4
2
1
5.5
5.6
5.7
5.4
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