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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

     

 

 

 

 

 

 

1.25" and 2" illuminated and  non illuminated eyepieces with many different options.  

15x80mm Finder Scope. Illuminated  crosshairs with universal mount.

for $399 

One available with a 2 week lead time.

Illuminated eyepiece has 20mm ER and a sharp 50 deg FOV

28mm, 30mm and  35mm illuminated Focusable Crosshairs  1.25"-eyepieces.

Doubled Crosshairs/star box optional at no extra cost.

Laser  illuminated (Extra batteries included). 

Adjustable illumination level.

These eyepieces sell for $199 

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 50 deg FOV

Click on picture to enlarge and see instructions.

 

See chart below for many more options

 

34mm,  36mm,38mm and  40mm illuminated Focusable Crosshairs  2""-eyepieces.

Doubled Crosshairs/star box Optional at no extra cost.

Laser  illuminated (Extra batteries included). 

Adjustable illumination level.

Prices below for the 2" eyepieces 

Double illuminated and non Illuminated Crosshairs w/ star box. add $10.

See chart below for many more options

 

  70 deg FOV

Click on picture to enlarge and see instructions.

 

See chart below for many more options

 

Product
Id.
Diameter Focal Length Field of View Eye Relief Price Comments
IEP125-28 1.25" 28mm 50 deg. 20mm $199.00 ill / focus crosshairs
IEP125-30 1.25" 30mm 50 deg. 20mm $199.00 ill / focus crosshairs
IEP125-35 1.25" 35mm 47 deg. 24mm $199.00 ill / focus crosshairs
fEP125-28 1.25" 28mm 50 deg. 20mm $149.00 focusable crosshairs
fEP125-30 1.25" 30mm 50 deg. 20mm $149.00 focusable crosshairs
fEP125-35 1.25" 35mm 47 deg. 24mm $149.00 focusable crosshairs
fEP2"-34 2:" 34mm 70 deg. 21mm $329.00 Single or double  crosshairs
fEP2"-36 2:" 36mm 70 deg. 21mm $329.00 Single or double  crosshairs
fEP2"-38 2:" 38mm 70 deg. 21mm $329.00 Single or double  crosshairs
fEP2"-40 2:" 40mm 70 deg. 24mm $349.00 Single or double  crosshairs
fEP2"-34 2:" 34mm 70 deg. 21mm $349.00 focusable crosshairs
fEP2"-36 2:" 36mm 70 deg. 21mm $349.00 focusable crosshairs
fEP2"-38 2:" 38mm 70 deg. 21mm $349.00 focusable crosshairs
fEP2"-40 2:" 40mm 70 deg. 24mm $369.00 focusable crosshairs
iEP2"-34 2:" 34mm 70 deg. 21mm $399.00 illuminated crosshairs
iEP2"-36 2:" 36mm 70 deg. 21mm $399.00 illuminated crosshairs
iEP2"-38 2:" 38mm 70 deg. 21mm $399.00 illuminated crosshairs
iEP2"-40 2:" 40mm 70 deg. 24mm $419.00 illuminated crosshairs
ifEP2"-34 2:" 34mm 70 deg. 21mm $429.00 ill / focusable crosshairs
ifEP2"-36 2:" 36mm 70 deg. 21mm $429.00 ill / focusable crosshairs
ifEP2"-38 2:" 38mm 70 deg. 21mm $429.00 ill / focusable crosshairs
ifEP2"-40 2:" 40mm 70 deg. 24mm $449.00 ill / focusable crosshairs

 

See Products list for complete list of prices and configurations.

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