Skip to content
Trusted advice since 1979 Excellent 4.5 rating on Google Reviews Free Shipping On Orders Over $100

OTA

The optical tube is really the heart of your night time exploration.  Sizes range from 50mm to 20" in diameter as well as f/ratios from f/2.2 to f/15.  The optical designs range from simple doublet refractors to complex cassegrains with built-in field flatteners.  There is literally something for everyone here, you just have to decide what path you want to walk down.  We are always here to help with any questions you have.

Filters

$
$
  • $1,199.00 - $1,199.00
    $1,199.00
    $1,199.00 - $1,199.00
    $1,199.00

    Astro-Tech AT102EDL Refractor OTA FCD-100 and Lanthanum f/7 Doublet

    Astro-Tech
    In Stock

    The Astro-Tech AT102EDL takes the performance of the it smaller siblings and combines it with the mechanics of the EDT line. This Astro-Tech ED ref...

    View full details
    $1,199.00 - $1,199.00
    $1,199.00
    $1,199.00 - $1,199.00
    $1,199.00
  • $1,849.00 - $1,849.00
    $1,849.00
    $1,849.00 - $1,849.00
    $1,849.00

    Astro-Tech AT125EDL Refractor OTA FCD-100 and Lanthanum f/7.8 Doublet

    Astro-Tech
    In Stock

    The Astro-Tech AT125EDL takes the performance of the it smaller siblings and combines it with the mechanics of the EDT line. This Astro-Tech ED ref...

    View full details
    $1,849.00 - $1,849.00
    $1,849.00
    $1,849.00 - $1,849.00
    $1,849.00
  • $2,995.00 - $2,995.00
    $2,995.00
    $2,995.00 - $2,995.00
    $2,995.00

    Astro-Tech AT150EDL Refractor OTA FCD-100 and Lanthanum f/8 Doublet with Hard Case

    Astro-Tech
    In Stock

    The Astro-Tech AT150EDL takes the performance of the it smaller siblings and combines it with the mechanics of the EDT line. This Astro-Tech ED ref...

    View full details
    $2,995.00 - $2,995.00
    $2,995.00
    $2,995.00 - $2,995.00
    $2,995.00

Compare products

0 of 3 items selected

Select first item to compare

Select second item to compare

Select third item to compare

Compare