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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         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 

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

     

 

 

 

 

 

Not bad for unedited and unstacked snapshots  These are through a PST and other scopes

And trust me I am a beginner in Astrophotography Click on Pictures below. If anything below is unclear Just Email or Call with questions.

 

 

These below are for F4 and Higher  Under F4 Click here.

These are similar in appearance to my Binoviewer OCA series.

 (2") 1x Magnification Camera Focus Adapter for all Dobs and Refractors $249(1xsdob-Ref) With C-Mount or T-threads camera attachment or 2"/1.25" eyepiece socket. It gives 1" - 3" free focus.

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(2") 1.5x Magnification Camera Focus Adapter for all Dobs and Refractors $249(1.5xsdob-Ref) With C-Mount or T-threads camera attachment or 2"/1.25" eyepiece socket. It gives 1" - 3" free focus.

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(2") 2.0x Magnification Camera Focus Adapter for all Dobs and Refractors $249(2xsdob-Ref) With C-Mount or T-threads camera attachment or 2"/1.25" eyepiece socket. It gives 1" - 4" free focus.

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(2") 1x - 1.5x - 2x -  Magnification Camera Focus Adapter for all Dobs and Refractors $379 (1to2xsdob-Ref) With C-Mount or T-threads camera attachment or 2"/1.25" eyepiece socket. It gives 1" - 4" free focus.

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Look for the special Refractor/Dob/PST Camera Focus Adapters below. 

 For all scopes except PST: 1.25" 1.25x Magnification Camera Focus Adapter. 

This device will allow focus in any telescope but the PST. It has T-2 or C-Mount to attach to your camera. On the other side it has a 1.25" shaft to attach to your scope.    The magnification is only 1.25x.  Increases focus 1" - 2"

$149 (1.25x-adp)  C-Mount or T2 attachment

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PST and all Solar scopes: 1.25" 1.5x-2x Magnification Camera Focus Adapter. 

This device will allow focus in any telescope. It has T-2 or C-Mount to attach to your camera and has a 1.25" shaft to attach to your scope. The magnification starts at only 1.5x. 

$149 Click Here

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 (1.25") Zero Magnification Camera Focus Adapter for all Dobs and refractors. See below  Refractor  model 1.25" $149 (0xs-REF) Shown in pictures below. Dobs/Newts $169 (0xs-dob/tube) Dobs/ Newts requires extension tube.  Provides 1" of extra out travel focus for all your visual and Photographic applications.

In the picture below you see this little adapter that you thread into the front of your 1.25" Diagonal 

Great if your scope has limited in focus. For viewing or photographing applications including  H-Alpha.  It operates invisibly while flattening your field a little while it lifts out your focus. If you are not completely satisfied with it's performance return it within 60 days for a refund.  

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Combo model: Use it in you Newt or just thread it in to your Diagonal.

Shown installed below.

 

New Super CCD (PALS) or (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 30-60 second exposures get results just like these. Click pictures below. If you need help mounting your camera to your mount let me know.

     4 sizes available : More product pictures to come.

     24mm Dia by 37mm F.L.  F1.5      $299  

     48mm Dia by 72mm F.L.  F1.5      $349

     73mm Dia by 195mm F.L.  F2.67  $499

     100mm Dia by 450mm F.L.  F4.5  $599

  50mm Pictured here>><<Click on picture.

73mm here>><<Click on picture.

   Above 73mm pals system has a standard tripod screw provision. Shown here with a T2 back. Two stage focus. A rough slide tube focus and fine thread focus. See below as pictures from this unit are posted

 The "PALS" System comes with connecting Hardware to attach directly to any CCD camera

M45 30 sec with poor tracking AZ mount

 l

M31 60 seconds

 

M31 Same as above but 120 seconds

 

M42 20 seconds 100mm F4.5 Astrograph 50x and M3 camera.

M42 40 seconds 100mm F4.5 Astrograph 50x and M3 camera.

 

 

 

 

 

 

 

 

 

 

These are for Under F4 Down to F2.8

These are similar in appearance to my Binoviewer OCA series.

 (2") 1x Magnification Camera Focus Adapter for all Dobs and Refractors $349(1xLdob-Ref) With C-Mount or T-threads camera attachment or 2"/1.25" eyepiece socket. It gives 1" - 3" free focus.

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(2") 1.5x Magnification Camera Focus Adapter for all Dobs and Refractors $349(1.5xLdob-Ref) With C-Mount or T-threads camera attachment or 2"/1.25" eyepiece socket. It gives 1" - 3" free focus.

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(2") 2.0x Magnification Camera Focus Adapter for all Dobs and Refractors $349((2xLdob-Ref)xLdob-Ref) With C-Mount or T-threads camera attachment or 2"/1.25" eyepiece socket. It gives 1" - 4" free focus.

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(2") 1x - 1.5x - 2x -  Magnification Camera Focus Adapter for all Dobs and Refractors $549(1to2xLdob-Ref) With C-Mount or T-threads camera attachment or 2"/1.25" eyepiece socket. It gives 1" - 4" free focus.

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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!.

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