Meade Instruments Infinity 80, 90 and 102mm Refractor User Manual

Page 6

hole near the center of the dovetail rail.

3. Turn the optical tube attachment knob

(24) counter-clockwise until firm.

4. To remove the optical tube, first support

the optical tube in one hand. Next, turn

the attachment knob (24) clockwise until

the OTA detaches from the mount.

ATTACH THE VIEWFINDER
An eyepiece (1) has a narrow field of view.

The included viewfinder (2) has a wider field

of view and red dot to make it even easier

to locate the viewing object. The red dot

viewfinder also comes with an easy to install

dovetail bracket.

1. To install the red dot viewfinder, slide the

viewfinder bracket into the dovetail adapter

(

Fig 5

2. Next, secure the viewfinder in place with

the single locking knob.

ATTACH THE DIAGONAL PRISM AND

EYEPIECE

The erect-image diagonal prism reflects the

light from the optical tube to a more com-

fortable viewing position. It also corrects the

image orientation so the image is right side

up, and correct left-to-right.

1. To install, slide the diagonal prism (13)

into the focuser draw tube (15).

2. Tighten the draw tube thumbscrew to hold

the diagonal prism securely (15).

3. Next, slide the MA 26mm eyepiece (1)

into diagonal prism.

4. Tighten the diagonal prism thumbscrew to

hold the eyepiece securely.

ALIGN THE VIEWFINDER
Perform the first part of this procedure during

the daytime and the last step at night.

1. Point the telescope at an easy-to-find land

object such as the top of a tele-

ATTACH THE OPTICAL TUBE TO THE

MOUNT
The optical tube gathers distant light

which is focused in the eyepiece. It

attaches to the mount using the optical tube

attaching knob (24) and dovetail mounting rail

(6).

1. To attach the optical tube, first locate the

threaded hole on the bottom side of the

dovetail mounting rail(6) (

Fig 4

2. Using the optical tube attaching knob

(24), place the dovetail onto the top of the

mount, lining up the threaded

Looking at or near the

Sun will cause irreversible damage to your eye. Do not point this telescope at or near the Sun. Do not look through the telescope as it is moving.

Fig. 4

Fig. 5

Mounting holes

Mounting screw

Attachment knob (24)

Locking

knob