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TEC APO 140 Owner's Manual page 7

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ACCESSORIES
TUBE RINGS
CNC machined, black anodized aluminum,
compact and lightweight design with stainless
steel latches (set of two rings weights 750g).
Ring dimensions and hole pattern are shown in
the sketch below. Each ring contains: Upper
Base (1); Latch (2); and Lower Base (3).
Latches for the scopes of the third and forth
run are adjustable. The screw (5) has a Phillips
type head for easy adjustment, the small nut
(4) will hold screw in place after adjustment.
Rings can be attached to the mount with either
TEC Dovetail plate, AP or Losmandy plates.
NOTE: From user feedback - it is better and
more safe to keep rings on the OTA all the
time if possible - this way there is no chance
OTA inside the rings, as would be
the case if longer plates were being
used.
The TEC Dovetail Plate is compatible
with Losmandy, WYO or Casady
Saddle systems. Two 8-32 security
screws must be installed on each
end of the Plate; these security
screws prevent the dovetail and OTA
from accidentally slipping off the
dovetail holder.
for scratching the tube.
DOVETAIL PLATE
The Dovetail Plate, like all other accessories for
this telescope, is CNC machined for lightness
(320g) and rigidity from aluminum stock, and
then black anodized for a tough, corrosion-free
surface.
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
convenience of being able to retract the Front
baffle (for storage) without having to move the
8-32 threaded holes for security screws
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2
3
4
5

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