P.6
Twist Lock / Adapter
FOT series features with 2’’ and 1.25’’ twist lock devices.
There is a special compressing design of twist locking to give you a good collimation and
avoid missing screw in the dark night when change eyepiece or field flattener.
Use 1.25’’ eyepiece:
Rotate the twist lock (A) counterclockwise,
and then insert 1.25’’ eyepiece. Rotate
clockwise to tighten it.
Use 2’’ eyepiece/ field flattener:
Rotate the twist lock (B)
to take out the twist lock
adapter (A), and insert
2’’ eyepiece or field
flattener. Rotate
clockwise to tighten it.
Focuser Rotated Function
Flexible rotated structure provides a
convenience for user to have the best
position to adjust focuser when
observation and photography. The
precision machining parts and assembly
technique make a good collimation
even rotate the focuser and rotator.
Loosen the rotator knob and focuser
knob to rotate the focuser and rotator.
A
B
Rotator Knob
(FOT106 Only)
Focuser Knob
