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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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 

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

     

 

 

 

 

 

.Superior Quality 965" Eyepieces and Barlows.

Superior quality at great prices

Monocentrics and Planesphere eyepieces Click here.

Ask about how you can have Monocentrics and Planesphere in a .965" barrel size at no extra charge.

 Ad #1

.965 1.5x - 1.75x - x2 Barlow

It uses the best quality optics and is fully coated for maximum light transmission.  It also fully corrects for color aberrations. 

 Ask for P-ring if you might use it in a 1.25" focuser.

These Barlows are recommended for eyepieces that are 26mm standard field of view and more powerful.  20mm Wide field and more powerful are also ok.

 1.5x Barlows

1) This Barlow sells for $89 .965 inlet w/ .965 outlet  (Bar965-1.5x)

2) This Barlow sells for $89 .965 inlet w/ 1.25" outlet  (Bar965h1-1.5x)

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1.75x Barlows

3) This Barlow sells for $89 .965 inlet w/ .965 outlet  (Bar965-1.75x)

4) This Barlow sells for $89 .965 inlet w/ 1.25" outlet  (Bar965h1-1.75x)

-------------------------------

2x Barlows

5) This Barlow sells for $89 .965 inlet w/ .965 outlet  (Bar965-x2)

6) This Barlow sells for $89 .965 inlet w/ 1.25" outlet  (Bar965h1-x2)

Step-Down Adaptor W/ 1.25"OD and .965"ID $20 (125965)

Step-Down Adaptor W/ 2"OD and 1.25"ID $20 (2125)

 

  

 Want to make sure you are getting exactly the correct item?

  #1) This Barlow   .965 inlet w/ .965 outlet  ----Get  the P-ring also if to use in a 1.25" focuser.

  #2) This Barlow   .965 inlet w/ 1.25" outlet  the 1.25" outlet is for 1.25" eyepieces you might have.


The adaptor  W/ 1.25"OD and .965"ID (125965)   This adapter is for those who get the #2 model and need the adapter when they want to use their .965 eyepieces. Or want to use their #2 model .965 inlet w/ 1.25" outlet  Barlow in a 1.25" focuser and need the adapter to fit the .965 inlet into their 1.25" scope.

.965" 5mm,6mm,7mm,8mm, 9mm, 10mm, 11mm  14mm 18mm

The New Performance+ Series

These are Computer generated 3 element design eyepieces. These are FMC coated. The combination of fewer elements and FMC coatings gives these eyepieces some of the best light transmission properties possible.  FOV is 60 degrees.  They are threaded  for light filters.

$99. (EP.965-5) ER 15mm

$99. (EP.965-6) ER 15mm

$99. (EP.965-7) ER 15mm

$99. (EP.965-8) ER 15mm

$59. (EP.965-9) ER 10mm

$59. (EP.965-10) ER 10mm

$59. (EP.965-11) ER 11mm

$99. (EP.965-14) ER 15mm

$99. (EP.965-18) ER 18mm

     

10mm above shown

15mm/18mm shown above have rotating up and down eyecups. The rest eyecups are fixed that can fold down.

 

Ultra Series 17-19mm Super wide angle 70 deg w/20mm ER

This is a .965" fully FMC coated 4 element eyepiece which produces extremely wide angle and the eye relief is 20mm. 

 This eyepiece sells for $119.(EP965-17) (EP96518) (EP965-19)

 

 

 

 

 

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,

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