Celestron 0.7x Reducer Lens for EdgeHD 1100

Celestron EdgeHD 0.7x Focal Reducer for 11" EdgeHD Optical Tubes

Unlock the full imaging potential of your EdgeHD 11” telescope with the purpose-built Celestron 0.7x Focal Reducer. Designed exclusively for EdgeHD optics, this premium 5-element reducer shortens focal length and exposure time without compromising the signature flat-field performance of the EdgeHD system—making it an essential upgrade for astrophotographers seeking faster, wider-field results.

Unlike generic reducers, this model maintains generous back focus, supports large-format imaging sensors, and integrates seamlessly with existing Celestron imaging accessories.

Key Optical Features

• 5-Element Optical Design
  Engineered specifically for the 11” EdgeHD optical tube, this layout preserves a wide, flat image field across the full frame while delivering consistent edge-to-edge sharpness.

• Lanthanum Glass Elements
  Includes exotic, high-index Lanthanum optics to minimise chromatic aberration and boost contrast for superior image clarity.

• Fully Multi-Coated Surfaces
  All air-to-glass interfaces feature advanced multi-coatings for maximum light transmission and colour fidelity.

• Blacked Lens Edges
  Reduces internal reflections and improves image contrast, particularly when imaging faint deep-sky targets.

Performance Benefits

• Faster Imaging
  Reduces your focal ratio from f/10 to f/7, increasing imaging speed by one full f-stop—cutting exposure times in half for the same signal strength.

• Wider Field of View
  Expands your field of view by approximately 43%, making it easier to frame large objects like nebulae and galaxies.

• Full Frame Sensor Compatibility
  A 60mm clear aperture supports a 42mm image circle—ideal for full-frame CCD and CMOS sensors without vignetting.

• Back Focus Preserved
  Unlike many third-party reducers, this model retains the standard EdgeHD back focus, allowing for easy integration with your existing T-adapters, Off-Axis Guiders, and camera setups.

Mechanical Design

• CNC-Machined Aluminium Housing
  Precision engineered for tight optical alignment and mechanical stability, ensuring consistent performance across imaging sessions.

• Threaded 3.25” Connection
  Directly threads onto the EdgeHD rear cell, minimising mechanical vignetting and improving rigidity for heavier imaging trains.

• Protective Metal Caps
  Includes threaded covers on both ends to protect the optics from dust, scratches, and damage during transport or storage.

Expand Your Imaging Capabilities

Pair this reducer with Celestron’s Fastar-compatible EdgeHD system to create the most versatile astroimaging platform in its class. Combine f/10, f/7 (with this reducer), and optional f/2 Fastar imaging for unmatched flexibility across planetary, deep-sky, and wide-field astrophotography.

Whether you're upgrading your rig for deep-sky imaging or building a dedicated system for full-frame astrophotography, the Celestron 0.7x Reducer for 11" EdgeHD offers uncompromising optical quality, versatility, and performance.