Place Online Order

     (opens in new window)

Home Page

About Siebert Optics

Contact Information

_______________________________

         Products:

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

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

BT70 RA88 / Miyauchi / Kowa eyepieces

Binoviewer Alignment and Supercharge Services

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

Adapters - Meade Scopes and ETX

Binoculars - Quality Modified

Large and Small Non Illuminated and Illuminated Cross haired eyepieces.

Astrographs/Telescopes

Camera Focus Adaptors

Camera Adapters - Universal

H-Alpha Focus Accessories

Converters

Special binoviewer services and products you cant get anywhere else 

Also can  >  Click here.   And here.

ICP's Image Correction Prisms for Newts

Diagonals

Extension Tubes

Large refractor modular OTA's

Eyepiece Comparisons

Focal Length Reducers

Miscellaneous

Planetary Fleece Blanket 

PST Accessories

Telecentric Barlow Lenses

Zero Magnification Adapter

Ladies Corner

Saturn Earrings  

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

      Purses

Here is the 45mm Elite Unit with double diopters w/zero profile 1.25" self-centering adapters.  Simply plug your eyepieces in. 

(Look below)  

What makes these even more special is that they are reversible.  Some 1.25" eyepieces are taller than others which gives plenty of clearance, but some superlow profile Orthos may bring your nose inbetween the eyepiece holders.  By flipping over the adapters as is done on the right side the adapter is higher profile and allows for much more comfortable innerocular spacing.  At the end of the day these are as comfortable to use as any 1.25" unit.  These units are set to about 60mm's innerocular spacing.