Meade Zero Image-Shift Microfocuser Operating Instructions page 2

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Fig. 1: Microfocuser and eyepiece assembly. (A) Rear cell of telescope
(shown separate from the telescope assembly for the sake of clarity); (B)
Microfocuser adapter; (C) Microfocuser; (D) 1.25" accessory adapter. SC
accessory adapter (L) may be used in this position instead if Schmidt-
Cassegrain accessories are being used. Do not use either adapter if using
a 2" diagonal mirror; (E) Diagonal Prism holder thumbscrew; (F) Eyepiece;
(G) 1.25" Diagonal Prism. 2" diagonal mirror may also be used in this
position (12" models); (H) Adapter thumbscrew; (I) Microfocuser
thumbscrews; (J) Microfocuser bearings; (K) Set screws.
Fig. 2a: Microfocuser groove.
grove
Fig. 3a: SC adapter groove.
Fig. 2b: Microfocuser 1.25" adapter
thumbscrew in grove.
Groove
Fig. 3b: Line up SC adapter groove
with microfocuser thumbscrew.
Line up