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         Products:

Eyepieces  

Adapters - Meade Scopes and ETX

Barlow Lenses  

Binoculars - Quality Modified

Binoviewers & Accessories

Camera Focus Adaptors

Camera Adapters - Universal

Converters

Correction Prisms for Newts

Diagonals

Extension Tubes

Eyepieces  

Eyepiece Comparisons

Focal Length Reducers

H-Alpha Accessories

Miscellaneous

Observers Hood - light blocking 

Planetary Fleece Blanket 

Power Mag Wheel - binoviewers

Power Mag Wheel - Eyepieces

PST Accessories  

Telecentric Barlow Lenses

Refractor Knobs

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

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

This device will allow digital and film cameras to come to 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. 

$119 (1.5x-adp) Click Here

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 PST Solar Scope 1.25" 1.5x Magnification Camera Focus Adapter. 

This device will allow digital and film cameras to come to 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. 

$119 (1.5x-PST) Click Here

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      For 2" 00000x Magnification Camera Focus Adapter for all refractors $149 Click here!  Dobs and Refractors model $179 and has standard T-threads or 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 $119 (0MFAR-REF) Shown in pictures below.

Newts and refractors $149 (0MFARN-REF)Dobs/ Newts require supplied 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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