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11am - 11pm EST 
Monday - Friday

1pm-11pm Sat

Tel:

Cell:

919 553-3980

919-614-4297

FAX:

919 553-3980

eMail:

hs3980@nc.rr.com

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200 Short Johnson Road
Clayton, NC 
USA  27520

 

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         Products:

 

Telescopes for sale

 

 

Eyepieces From .965" / 1.25" / 2.0" / 2.7" / 3.0" / 4.0" / 4.3"

 

BT70 RA88 / Miyauchi / Kowa eyepieces

 

Advanced Barlow Lenses including: Modular and 4 element Telecentric magnification multipliers

 

1.25" and 2" Advanced Binoviewers From $649-$1999

 

 Binoviewer OCA's and Accessories

 

Binoviewer Alignment and Supercharge Services

 

Adapters - Meade Scopes and ETX

 

Binoculars - Quality Modified

 

Large and Small Non Illuminated and Illuminated Cross haired eyepieces.

 

Large and Small Binocular Cleaning and Alignment services $99 Call or Email for details.

 

Camera Focus Adaptors

 

Camera Adapters - Universal

 

H-Alpha Focus Accessories

 

Converters

Special binoviewer services and products you cant get anywhere else 

ICP's Image Correction Prisms for Newts

 

Diagonals

 

Extension Tubes

 

Large refractor modular OTA's

 

Eyepiece Comparisons

 

Focal Length Reducers

 

Miscellaneous

 

Observers Hood - light blocking 

 

Planetary Fleece Blanket 

 

PST Accessories

 

Telecentric Barlow Lenses

 

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/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 Tubes have # marked. 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.  

 

All listed products come with a 30-day money-back guarantee* unless otherwise stated.

Specialty order items are not refundable (items made specifically for you).

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