Celestron C11 Optical Tube Assembly 11 Inch Schmidt-Cassegrain Telescope OTA for Astrophotography & Deep Sky Imaging

Product Description (Detailed)

The Celestron C11 Optical Tube Assembly (OTA) is a premium 11-inch Schmidt-Cassegrain telescope designed for serious astronomers and astrophotographers who demand maximum optical performance. Its large aperture provides exceptional light-gathering power, allowing detailed observation and imaging of faint deep-sky objects such as galaxies, nebulae, and star clusters.

With its long focal length and high optical precision, the C11 excels in high-resolution planetary imaging, revealing fine surface details on planets like Jupiter, Saturn, and Mars. When paired with a stable equatorial mount, it becomes a powerful system for advanced astrophotography and observatory-grade imaging.

Built with high-quality optical coatings and a robust mechanical structure, the C11 OTA is ideal for permanent observatories and experienced users who require maximum performance in a large-aperture telescope system.

Specifications

• Model: Celestron C11 OTA
• Optical Design: Schmidt-Cassegrain Telescope (SCT)
• Aperture: 11 inches (279mm)
• Focal Length: 2800mm
• Focal Ratio: f/10
• Telescope Type: Optical Tube Assembly (OTA)
• Usage: Deep-sky astrophotography, planetary imaging, advanced visual astronomy
• Compatibility: EQ mounts (AVX, EQ6-R Pro, CGX, etc.)
• Optical Coating: StarBright XLT coatings
• Focus System: Primary mirror focusing

What’s Inside the Box

• 1 × Celestron C11 Optical Tube Assembly (OTA)
• 1 × Dovetail Bar
• 1 × Star Diagonal (1.25″)
• 1 × 25mm Eyepiece
• 1 × Finderscope
• 1 × Instruction Manual
• 1 × Original Packaging Box

Important Notes

• Mount and tripod are not included
• Requires heavy-duty equatorial mount for astrophotography use
• Best performance achieved with high-capacity mounts like EQ6-R Pro or CGX class or AM7