Celestron C11-XLT CGE
When will I receive it?
Products marked In stock are dispatched promptly — the exact delivery estimate for your address is shown at checkout, before you confirm the order.
For international shipments, delivery times depend on the destination and are always displayed at checkout before payment.
Products marked Available on order require 5–15 business days for processing. Our team will keep you updated promptly if anything changes.
What are the warranty terms?
Shop with confidence: all our products include a 24-month legal warranty for conformity defects, managed directly by our team.
Many brands also offer extended warranty coverage beyond 24 months — contact us to find out the specific terms for the product you're interested in.
Click here for more information.
Can I return a product?
Yes: you have 14 days from delivery to return any product and receive a full refund — see our Refund Policy for full details.
Items must be returned in their original condition and packaging. Return shipping costs are the customer's responsibility.
Not sure which product is right for you? Contact us before buying — we'll help you find the perfect instrument so you won't need to return anything.
Sei un'azienda? Compila il modulo per la fatturazione
Clicca sul pulsante qui sotto per inserire i tuoi dati aziendali:
Vai al moduloCelestron C11 XLT – Schmidt-Cassegrain Telescope 280 mm (OTA)
The Celestron C11 XLT is a 280 mm f/10 Schmidt-Cassegrain telescope (optical tube only), designed for advanced amateur astronomers and astrophotographers seeking high performance in a portable format. With its wide aperture and advanced Starbright XLT coatings, it delivers bright, sharp images for lunar, planetary, and deep-sky observing.
High optical performance
The C11 belongs to Celestron’s renowned Schmidt-Cassegrain series, known for versatility and modularity. The optical tube supports multiple focal configurations, making it adaptable to a wide range of accessories and applications. Its combination of light-gathering power and diffraction-limited optics makes it a reference point for visual observation and astrophotography.
Technical Specifications
| Optical design | Schmidt-Cassegrain |
| Aperture | 280 mm |
| Focal length | 2800 mm |
| Focal ratio | f/10 |
| Central obstruction | 0.34 |
| Light gathering power | 1593× (naked eye = 1) |
| Coatings | Starbright XLT |
| Focusing system | Primary mirror shift |
| Fastar compatible | No |
| Tube material | Aluminum |
| OTA length | 610 mm |
| Weight | 12 kg |
Included Accessories
- Plössl 40 mm eyepiece (70×), 1.25” barrel
- 1.25” prism diagonal
- 9×50 finderscope with bracket
- Dovetail bar compatible with CGE/Losmandy/NEQ6 mounts
Why choose the Celestron C11 XLT?
With its large aperture, rugged construction and superior optical quality, the C11 XLT is ideal for visual astronomy and astrophotography. A versatile and powerful telescope designed for demanding astronomers who want professional-level performance in a portable format.