Hours:

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


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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Home Page

About Siebert Optics

Contact Information

 

 

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         Products:

 

Astrographs/Telescopes

 

 

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

 

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

     

 

 

 

 


Welcome to Siebert Optics

We are Limiting what products we are taking Orders for at this time. Click here for details.

    

 

New Large 38mm CA 1.3x OCA for All binoviewers.

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Meet a Astrophotographers new best friend. New Super CCD: (PALS) for short (P)hoton (A)cceleration (L)ens (S)ystem. Simply connect it stand alone (No Telescope Needed)  to the front Of your CCD camera and take images of the sky at x5 and with 30 second exposures and get results just like these. (Click Here)

 

The New 25mm Black Night FMC.

Read the info within and you will understand why Nothing even comes close.

Watch this video "Click Here" ---More  "Click Here.".

New Orthos Here Triple-S Series

Click here for the New 2" T-2 modular Barlows.

Supercharge your Stellarvue, Williams Optics and many others like it.

Do you want to share the same high End Binoviewing experience as those who own expensive models from the Big Prism Binos (TV, Denk, Baader) at a fraction of the cost. Do you already own one of the following binoviewers: Williams Optics, Orion, Stellarvue, Burgess, Celestron, Moonfish and Baader 23's etc..... Then you already have what you need to get started. Why pay $900+ For the privilege of using low power wide field EP's  Click here for details.

(Specialized Binoviewer services you can't get anywhere else)

 

Home of quality, affordable Telescope Optics such as Eyepieces, Barlow Lenses, Image erecting prisms,  Diagonals that focus.  Low Power Illuminated Focusable Eyepieces,  Special modified Binoculars. Camera focusing adaptors for all telescopes including the PST.   Adaptors so your filters fit your eyepieces  Adaptors so your Diagonals fit you scopes. and a variety of different size of  high quality Binoviewers and OCA's for all Binoviewers (for comfortable two eye viewing) and  other binoviewer accessories. 

More things of interest Delrin 2" 1.25" T - 2 or T thread End Caps.

Please feel free to check out our site.  If you have any questions, please feel free to ask either via email or phone (1-919-553-3980).  Harry will try to answer any questions you may have as promptly as possibly.  

Click here to go to the OCA and binoviewer corrector page.  

Universal 1.3x and Zero mag OCA's above. This means you can use any binoviewer with little or no magnification added. Always see it here first.  This technology, although similar to the OCS technology, has different characteristics and applications.  

Click Here to go to the PST and H-Alpha bino corrector page.

 


User Reviews on Black Night Binos

Check out the Elite Series 2" binoviewers.

Siebert Optics 2" Binoviewer 's come standard with self centering compression eyepiece sockets similar to TV and The older BW Optics

 Check out this independent Diagonal calculator if you want too know more about what 

 What Will Binoviewer CLEAR APERTURE will buy you.    

60 day money back guarantee on Black Knight units and accessories.

 

 

We are not taking new orders at this time except for Pal Astrographs/ Binoviewers/ OCA correctors/ Packages/ VP and Elite binoviewers and large format Eyepieces/Diagonals at this time. There may be some items available beside those items mentioned. So please email for availability of requested items.

We are now working on filling existing orders already received. So if you already had an order in before (Oct 6 2013) it will be filled in the order in which it was received.

 We will now be clearing a portion of the back log of 45mm Elite binoviewers and large format Eyepieces/Diagonals now on order.

If you want to order something from this website other then the items mentioned then you can put in an online order and your items will be on backorder and will be filled at a later time when the items become available again.. 

We are sorry for the inconvenience but we are trying to be fair to those that have already placed orders. We hope to be back filling regular orders as soon as possible. 

Harry SIebert owner of Siebertoptics.

 

Gift Certificates are available for any amount you may wish.  Just email or phone and ask how you can obtain one.

Page for All OCA's including Low power" correctors for  Baader, Burgess, WO, Stellarvue, Celestron, Orion,  Moonfish,   BC&F, Binomate and the like. More info..

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Here is the 2" Ultra barlows similar to the TV powermate.

 Also look at the new modular element barlows for 3 magnifications in one barlow.

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Universal Camera adaptors for both 1.25" and 2" focusers and your most demanding applications. These will work with any telescope-camera-eyepiece combination.  

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Our 2" Observatory series are unmatched for the price in performance. Edge is flawless at F/5 and even below.

 

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 The Ultra series are the perfect blend of Eye Relief and Wide FOV. Sharp in fast scopes and comfortable to look through. Try one you'll like them.

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 Do you need an Inch" Check this out. Zero mag Camera Focus adaptor It will give you 1 inch of focus free of magnification. And help with coma.

 

 

 

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).

We welcome
International orders!.

GIFT CERTIFICATES
available in any dollar amount you wish to purchase.

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We accept Visa, Mastercard,

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  American Express. U.S. Money Orders, and Personal Checks (held 10 working days for clearing)Online payments may be made securely through

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