Hours:

11am - 11pm EST 
Monday - Friday

1pm-11pm Sat

Tel:

Cell:

919 553-3980  Primary
After 4 rings will ring through to Personal below.

 919-614-4297 personal

FAX:

919 553-3980 Call before Faxing

eMail:

harrysiebert@nc.rr.com

 Q&A

hs3980@nc.rr.com  Request PayPal invoice

 


Thank you for visiting Siebert Optics!
Serving Large Observatories and the Amateur Astronomy Community alike.

200 Short Johnson Road
Clayton, NC 
USA  27520

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(S)tar (S)plitters Ortho or SS3 Series.

See our UT Monocentrics and Planesphere eyepiece line. Click here.

Siebert Optics SS3 Modified Orthos. Enhanced 5 element design. 

   The Star Splitter or SS3 series. With 60 deg FOV and 12mm ER. Large eye lenses.

There may be other Focal Lengths are available not listed here. Inquire for details.  Click here

Specify series and  size. Example: (SS3 / 4.9mm)

Eyepiece can be ordered in Brass. Add $50

    

2.4mm,    1.9mm,  

2.9mm,    3.4mm

3.9mm,    4.4mm

4.9mm,    5.4mm

5.9mm,    6.4mm

6.9mm,    7.4mm

7.9mm,    8.9mm

9.4mm,    9.9mm

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 8.9mm-9.9mm $99. These excel from f/6 up (Brass add $30)

 2.9mm-7.9mm $139. These excel from f/3.3 up (Brass add $50)

 

 

 

Siebert Optics SS4 Modified Orthos. Enhanced 5 element design. 

   The Star Splitter or SS4 series. With 60 deg FOV and 16mm ER. Large eye lenses.

There may be other Focal Lengths are available not listed here. Inquire for details.  Click here

Specify series and  size. Example: (SS4 / 3.9mm)

Eyepiece can be ordered in Brass. Add $50 

2.9mm,    3.4mm

3.9mm,    4.4mm

4.9mm,    5.4mm

5.9mm,    6.4mm

6.9mm,    7.4mm

7.9mm,    8.9mm

9.4mm,    9.9mm

14mm,     18mm

14mm, 18mm $119. These excel from f/6 up (Brass add $30)

 2.9mm-9.9mm $169. These excel from f/3.3 up (Brass add $50)

 

 Outstanding performance with a lower price. Now these are made in more powerful size.

 

  It all comes together here. Razor sharp performance, Good eye relief and 60+ deg FOV. Sharper and with higher contrast than anything you have tried.   30 day money back guarantee.  

Brass Ortho's available >Click> 

 

This is an Enhanced Orthoscopic design that blends the best of the Abbe Ortho design with additional advanced features like ER and Large FOV.

 

All eyepieces are  threaded for filters 

 

                                                       

 

 

All eyepieces are  threaded for filters

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

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