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)

1.9mm,   <<New

2.4mm,   <<New

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)

 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 

Siebert Optics SS4 Modified Orthos. Enhanced 5 element design. 

  These below are all new design. The Star Splitter Triple-S series. With 60 deg FOV and 15mm ER. Larger eye lenses. Rotating eyecup.

There may be other Focal Lengths between 4.9mm and 12.4mm available not listed here. Inquire for details.  Click here

Specify series and  size. Example: (SS4/4.9mm)

4.9mm

5.4mm,    5.9mm

6.4mm,    6.9mm

7.4mm,    7.9mm

8.4mm,     8.9mm

9.4mm,     9.9mm

10.4mm,  10.9mm

11.4mm,  11.9mm

12.4mm, 

$169. These excel from f/3.3 up (Brass add $50) *

 Compare These New Orthos to the Above series.

Totally new design! 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