Hours:

11am - 11pm EST 
Monday - Friday

1pm-11pm Sat 

 
Cell:

919-614-4297 Cell

eMail:

harrysiebert@nc.rr.com

Above is to send in orders and Q&A.

Below is My Paypal address

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

 

 

Place Online Order

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Home Page

About Siebert Optics

Contact Information

 

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         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

 

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

 

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

     

 

 

 

 


Welcome to Siebert Optics

Our main contact number is my Cell 919 614 4297
We are filling a large order for 2" binoviewers at this time. And other orders taken at this time will be consided extended orders and will be filled as possible.
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Used telescopes available. Manual and computer tracking available. Contact for info. Call of Text or Email
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New compact Near APO 10x40 Binoculars for night and
daytime viewing. (Bino1040) $79
For details Click on picture.

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All you need to know about the Barlows on my site. You have a question   >>  Click here!
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Do you Need your binoviewer Cleaned, repaired or aligned. If you have a Baader/TV/Denkmeier/BW/Celestron/Premium style or any one one of the starter binoviewers. Please contact me for details.

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Variable Camera focus adaptors.
These are designed to replace Powermate and my Telecentric Barlows in certain camera applications and heres why....

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110mm Focus adaptors for any camera application.

Full Denkmeier service page. Repair services include all OCS and Power Switch repairs.
Denkmeier Power Switch Conversion Kit

  We do complete alignment and Cleaning services. Short List>>>Apogee / Miyauchi/ Kowa / BT and many other Binoculars. Prices for cleaning and alignment starting at $99       Click here. 

   <

Siebert Observatory Series Eyepieces and Diagonals are being used in the largest visually capable telescopes in the world today. Look and see what these eyepieces can do for your Long Focal length Telescopes. Click here.

 

Low Power Binoviewer 1.3x OCA's and Power Mag Wheels for all binoviewer

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The 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.

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


Computer Section

Website protection policy.

This site does not pay to have a secure tab in the address line. We protect or customers information by keeping our site simple. We do not have usernames or passwords to input on this site. Our online order forms are on a different system that is secured as you can see in the order form address tab. I police the site regularly for any changes which is a very effective way of protecting the content here.

--Harry Siebert

Solar Panels and instructions Page.
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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.

 

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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!.

We accept Visa, Mastercard,

Discover

  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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