Skip to content

Your cart is empty

Continue shopping

Have an account?

Log in to check out faster.

Your cart

Loading...

Estimated total

$0.00 USD

Taxes, discounts and shipping calculated at checkout.

Orders ship from Torrance, California.
Orders placed after 12:00 PM Pacific Time or over the weekend will be shipped within 1-2 business days.

Shop
Learn
Support
Dealers

Country/region

Country/region

United States
Global
International stores
UK Store
Japan Store

Twitter
Facebook
Instagram
YouTube

Featured

StarSense Explorer

StarSense Explorer Series

NexStar SE Series

Advanced VX Series

Origin Intelligent Home Observatory

Origin Intelligent Home Observatory

Telescopes Under $500 Beginner Telescopes Intermediate Telescopes Advanced Telescopes Refractors Newtonian Reflectors Schmidt Cassegrain EdgeHD Telescopes RASA Telescopes Telescope Optical Tubes Telescopes By Series View all Telescopes

Featured

NexYZ DX Smartphone Adapter Kit

NexYZ DX Smartphone Adapter Kit

T-Ring for Canon EOS-EF Mount Camera

T-Ring for Canon EOS-EF Mount Camera

Universal T-Adapter - 1.25"

Universal T-Adapter - 1.25"

NexImage 5 Solar System Imager (5MP)

NexImage 5 Solar System Imager (5MP)

Astroimaging Cameras Smartphone Adapters Astroimaging Filters View all Imaging & Astrophotography

Featured

Advanced VX Mount and Tripod

Advanced VX Mount and Tripod

Tabletop Tripod

Tabletop Tripod

Tripod for StarSense Explorer Tabletop Dobsonian Telescopes

Tripod for StarSense Explorer Tabletop Dobsonian Telescopes

CGX Equatorial Mount and Tripod

CGX Equatorial Mount and Tripod

Telescope Mounts Tripods Wedges Mount Accessories View all Mounts & Tripods

Featured

NexYZ DX Smartphone Adapter Kit

NexYZ DX Smartphone Adapter Kit

AC Adapter - 2 Amp

AC Adapter - 2 Amp

Eyepiece and Filter Kit - 1.25"

Eyepiece and Filter Kit - 1.25"

SkyPortal WiFi Module

SkyPortal WiFi Module

Eyepieces Filters Navigation Power Supplies Dew Prevention Cases & Bags View all Accessories

Featured

Outland X 10-30x50mm Zoom Monocular with Tripod

Outland X 10-30x50mm Zoom Monocular with Tripod

TrailSeeker ED 8x42mm Roof Binoculars

TrailSeeker ED 8x42mm Roof Binoculars

SkyMaster 25x70mm Porro Binoculars

SkyMaster 25x70mm Porro Binoculars

TrailSeeker 16-48x65mm Angled Zoom Spotting Scope

TrailSeeker 16-48x65mm Angled Zoom Spotting Scope

Binoculars Under $200 Astronomy Binoculars Outdoor & Wildlife Binoculars Compact Binoculars All Binoculars Monoculars Spotting Scopes Outdoor Electronics Sport Optics Accessories View all Binoculars & Sport Optics

Featured

EclipSmart Solar Filter for 8” Schmidt-Cassegrain and EdgeHD Telescopes

EclipSmart Solar Filter for 8” Schmidt-Cassegrain and EdgeHD Telescopes

EclipSmart 12X50mm Porro Solar Binoculars

EclipSmart 12X50mm Porro Solar Binoculars

EclipSmart Universal Solar Filter

EclipSmart Universal Solar Filter

EclipSmart Solar Filter for PowerSeeker 127EQ, NexStar 130SLT, StarSense Explorer DX 130AZ, StarSense Explorer LT 127AZ, Astro Fi 130, Omni XLT AZ 130, SkyProdigy 130 Telescopes

EclipSmart Solar Filter for PowerSeeker 127EQ, NexStar 130SLT, StarSense Explorer DX 130AZ, StarSense Explorer LT 127AZ, Astro Fi 130, Omni XLT AZ 130, SkyProdigy 130 Telescopes

Solar Binoculars Solar Filters Observing and Imaging Kits View all Solar Observing

Featured

PentaView LCD Digital Microscope

PentaView LCD Digital Microscope

Celestron Labs Digital MicroDirect Microscope

Celestron Labs Digital MicroDirect Microscope

Celestron Labs S1030N Stereo Microscope

Celestron Labs S1030N Stereo Microscope

Celestron Labs Digital- Wi-Fi Desktop Microscope

Celestron Labs Digital- Wi-Fi Desktop Microscope

Digital Microscopes Compound Microscopes Stereo Microscopes Celestron Labs Microscopes Microscope Accessories View all Microscopes

Apparel Visit our store at Threadless.com

Save up to $200

Save up to $200

Save on NexStar SE Telescopes until June 30

The Lumina Program

The Lumina Program

The Lumina Program is Celestron’s way of giving back. You Buy One. We Give One.

Flash Sale

Flash Sale

Deals on Telescope, Binoculars, and Microscopes

New Arrivals
Clearance
Used Outlet

Encountering issues with your Celestron product, in need of repair, or just have a technical question? We’re here to help!

Celestron Support

Our video guides walk you through setup, features, and troubleshooting with helpful demonstrations from our expert staff.

(opens in new tab)

Manuals & Software

Access the latest software, drivers, firmware, and product manuals all in one place.

Knowledge Base & FAQ

Find answers fast. Our comprehensive knowledge base is your go-to resource for getting the most out of your Celestron product.

Browse our catalog of genuine spare parts and accessories.

How to Buy Your First Telescope

Product Registration

Warranty Information

Technical Support

CPWI Software
SkyPortal App
Using Telescope Eyepieces

Search

Country/region

United States
Global
International stores
UK Store
Japan Store

Account and Wishlist

My Account
Wish List
Log Out

Home
Astronomy
Telescopes
Schmidt Cassegrain Optical Tubes

Collection: Schmidt Cassegrain Optical Tubes

Filter:

0 selected

Availability

In stock (7 products)
Out of stock (5 products)

In stock (7 products)
Out of stock (5 products)

The highest price is $6,799.95

$

From

$

To

0 selected

Category

Telescopes (12 products)

Telescopes (12 products)

0 selected

Aperture

14 inches (355 mm) (3 products)
11 inches (279 mm) (3 products)
9.25 inches (234 mm) (2 products)
8 inches (203 mm) (2 products)
6 inches (150 mm) (2 products)

14 inches (355 mm) (3 products)
11 inches (279 mm) (3 products)
9.25 inches (234 mm) (2 products)
8 inches (203 mm) (2 products)
6 inches (150 mm) (2 products)

0 selected

Optical Design

Schmidt-Cassegrain (12 products)

Schmidt-Cassegrain (12 products)

Sort by:

12 products

Filter and sort Filter

Filter and sort

Filter

12 products

In stock (7 products)
Out of stock (5 products)

Clear

The highest price is $6,799.95

$

From

$

To

Clear

Telescopes (12 products)

Clear

14 inches (355 mm) (3 products)
11 inches (279 mm) (3 products)
9.25 inches (234 mm) (2 products)
8 inches (203 mm) (2 products)
6 inches (150 mm) (2 products)

Clear

Schmidt-Cassegrain (12 products)

Clear

Sort by:

Remove all

12 products

C6 Optical Tube Assembly (CG-5 Dovetail)

C6 Optical Tube Assembly (CG-5 Dovetail)

Regular price $879.95

Regular price Sale price $879.95

Free Ground Shipping! Contiguous USA only
C8 Optical Tube Assembly (CGE Dovetail)

C8 Optical Tube Assembly (CGE Dovetail)

Regular price $1,399.95

Regular price Sale price $1,399.95

Free Ground Shipping! Contiguous USA only
C9.25 Optical Tube Assembly (CGE Dovetail)

C9.25 Optical Tube Assembly (CGE Dovetail)

Regular price $1,999.95

Regular price Sale price $1,999.95

Free Ground Shipping! Contiguous USA only
C11 Optical Tube Assembly (CGE Dovetail)

C11 Optical Tube Assembly (CGE Dovetail)

Regular price $3,299.95

Regular price Sale price $3,299.95

Free Ground Shipping! Contiguous USA only
Used - C11 Optical Tube Assembly (CGE Dovetail)

Used Item

Used - C11 Optical Tube Assembly (CGE Dovetail)

Regular price $2,519.97

Regular price ~~$3,299.95~~ Previous Sale Price ~~$2,799.97~~ Sale price $2,519.97

Free Ground Shipping! Contiguous USA only

Used Item
Used - C14 Optical Tube Assembly (CGE Dovetail)

Used Item

Used - C14 Optical Tube Assembly (CGE Dovetail)

Regular price $5,219.97

Regular price ~~$6,799.95~~ Previous Sale Price ~~$5,799.97~~ Sale price $5,219.97

Free Ground Shipping! Contiguous USA only

Used Item
C14 Optical Tube Assembly (CGE Dovetail)

C14 Optical Tube Assembly (CGE Dovetail)

Regular price $6,799.95

Regular price Sale price $6,799.95

Free Ground Shipping! Contiguous USA only

Share Our Space

New product launches, stargazing alerts, exclusive content, special deals, and fun—all delivered straight to your inbox and social media feed.

Email

Facebook
Instagram
YouTube
Twitter

About Us

Our Story
Redefining Technology
News & Guides
Team Celestron
Apparel
Public Relations
Executive Bios
Careers

Our Products

Astronomy
Sport Optics
Microscopes
Clearance
Used Outlet
Digital Catalogs

News & Guides

News around the universe
Celestron in the Community

Customer Support

Technical Support
How-To Videos
Manuals & Software
Knowledge Base & FAQ
Product Registration
Spare Parts
Warranty Information
Contact Us

Country/region

Country/region

United States
Global
International stores
UK Store
Japan Store

Payment methods

© 2026, Celestron

Terms of Use
Return Policy
Accessibility Statement

Choosing a selection results in a full page refresh.
Opens in a new window.