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Burgess/WO/SV 1.25x - 3.5x multi mag Corrector 

Refractor setup #1-4 below 

Reflector/Dob setup #5-7 below 

No extension tube used. 2" diagonal are left out here in 1.25x mode. Only 1.25" diagonals are supported. This is good since it shortens your light path anyway to use a 1.25" diag. 

1.

All Elements and Tubs have # marked. Only the Elements have an > arrow to indicate the direction the element should be aimed. Lens elements should have the arrows pointing away from the binoviewer or toward the objective at all times.

2

Below #4 element used only.

3

The x2 setup above might work in a 2" diagonals. But it is primarily for 1.25" diagonals

4

Refer to important information at bottom of page for safety tips on this configuration. 

5

Starting here below are dob setups.

All components have the # marked as well as an > arrow to indicate the direction the component should be aimed. Lens elements and extension tubes should have the arrows pointing away from the binoviewer at all times.

Lens element #3 ....Tube #2......tube#1.....Lens element #4

6

Tube #1.....Lens element #3.....Tube #2.....Lens element #4 are used for x2

7

Only tube #1 and lens #4 are use in 3.5x mode

Important Information 

For Williams Optics 2" diagonals and others with low profile 2" to 1.25" step down adapters  Be careful that the OCA does not come into contact with the mirror.