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         Products:

Eyepieces From .965" / 1.25" / 2.0" / 2.7" / 3.0" / 4.0" / 4.3"

BT70 RA88 / Miyauchi eyepieces

Advanced Barlow Lenses including: Modular and 4 element Telecentric magnification multipliers

1.25" and 2" Advanced Binoviewers Starting FMC units at $399

 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 including Miyauchi Starting at $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

Eyepieces  

Eyepiece Comparisons

Focal Length Reducers

Miscellaneous

Observers Hood - light blocking 

Planetary Fleece Blanket 

PST Accessories  

Astrotech and William's Optics Focuser Services

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

      Fabrics

      Purses

1.3x-2.0x-2.7x Multi-Mag Newtonian/Refractor Instructions for 2" Binoviewers

In the two pictures below (A and B) you are shown the difference between the Multi-Mag for all 1.25" Binoviewers and the Elite Multi-Mag for 2" Elite Binoviewers.

Pic A

Pic B

The only difference between the Multi-mag for 1.25" Binoviewers below and the Multi-mag for 2" Elite Binoviewers above is the large upper Optic that threads into the bottom of the 2" Elites. 

Pic 1

The setup of the Elite corrector and the corrector for standard 1.25" Binoviewer are the same other then the replacement of the upper lens cell. So follow the setup starting with the picture above for all Multi-Mag correctors. 

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