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         Products:

Eyepieces  

Adapters - Meade Scopes and ETX

Barlow Lenses Zooms and PW Wheels

Binoculars - Quality Modified

Binoviewers & Accessories

Camera Focus Adaptors

Camera Adapters - Universal

Converters

Correction Prisms for Newts

Diagonals

Extension Tubes

Eyepieces  

Eyepiece Comparisons

Focal Length Reducers

H-Alpha Accessories

Miscellaneous

Observers Hood - light blocking 

Planetary Fleece Blanket 

Power Mag Wheel - binoviewers

Power Mag Wheel - Eyepieces

PST Accessories  

Telecentric Barlow Lenses

Refractor Knobs

Zero Magnification Adapter

Ladies Corner

Saturn Earrings  

Astronomy Themed  Fleece Blanket 

Astronomy themed totes/purses

Free Domain Pictures

Astronomy Accessory Links of 

       products not offered 

       by Siebert Optics

Useful Astronomy Links

International Dealers

Astro photos

Non-Astronomy Items

      Fabrics

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Burgess/WO 1.25x Corrector 

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

The "Excluded" Tube at the top of the first picture will be shorter then in the picture and is used for storage only.

Picture 1

Picture 2

Picture 3

The TV and AP can also use the system. They require the nose piece shown here. 

The nose has standard filter threads and cost $30

With the AP you will need to use your connecting ring.

Call or e-mail for more details.