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         Products:

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 $449-$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 $49 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

Observers Hood - light blocking 

Planetary Fleece Blanket 

PST Accessories

Telecentric Barlow Lenses

Zero Magnification Adapter

Ladies Corner

Saturn Earrings  

Astronomy Themed  Fleece Blanket 

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.

Look for the special PST Camera Focus Adapters below. 

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

This device will allow focus in any telescope. It has standard Filter threads and T-2 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)  W/O T2 W/Standard Male filter threads $139

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

This device will allow focus in any telescope. It has standard T threads  to attach to your camera and 1.25" shaft to attach to your scope. The magnification starts at only 1.5x. 

$149 Click Here

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 PST Solar Scope 1.25" 1.5x-2x Magnification Camera Focus Adapters. 

This device will allow focus in the PST. It has standard T threads  to attach to your camera and 1.25" shaft to attach to your PST. The magnification starts at only 1.5x. 

$149 Click Here

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      For 2" 1x Magnification Camera Focus Adapter with1" extra focus for all refractors $229(0xL-Ref) Click here! 

 Dobs and Refractors model $249(0xLdob-Ref) w/standard T-threads or 2"/1.25" eyepiece socket with 1" - 3" free focus.

 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.

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