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Celestron .7x reducer lens for EdgeHD 800 telescope

Celestron

Celestron Reducer Lens .7x EdgeHD 800

SKU CH-9VEW-HMQ54

A .7× reducer lens that expands the EdgeHD 800 field of view by 43% and maintains 105 mm back focus for astrophotography

  • Wider 43% field of view for astrophotography
  • Fully multi-coated optics deliver brighter images
  • 5-element design keeps 105mm back focus sharp
  • .7x compression cuts exposure times for faint objects
  • CNC-machined aluminum housing ensures precise alignment

Tailored reducer for EdgeHD 800

The Celestron .7x Reducer Lens is engineered specifically for the EdgeHD 800 optical tube. It expands the field of view by 43% while maintaining the system's flat-field performance for astrophotography.

Suited for wide-field imaging, not planetary work

This reducer suits astrophotographers who want larger deep-sky objects captured in a single frame with shorter exposures. Planetary imagers needing maximum focal length and image scale should look elsewhere.

43% wider field at 105mm back focus

The 5-element design delivers the wider view at a fixed 105mm back focus, accommodating common imaging trains. It runs out when a setup requires different spacing or when the target demands the native focal length of the 800mm aperture.

Highlights

  • Wider 43% field of view for astrophotography
  • Fully multi-coated optics deliver brighter images
  • 5-element design keeps 105mm back focus sharp
  • .7x compression cuts exposure times for faint objects
  • CNC-machined aluminum housing ensures precise alignment

Specifications

No published specifications for this item yet.

Questions about this item

Which telescope model must I already own for the .7x reducer to fit and function correctly?

The reducer is engineered specifically for the EdgeHD 800 optical tube and will not deliver its flat-field performance on other models.

If I keep my existing EdgeHD 800 at its native focal length, how does adding this reducer change the imaging characteristics?

It provides a .7x compression factor that widens the field of view by 43 percent and shortens exposure times for deep-sky targets.

After installation, what measurement confirms the reducer is spaced properly for sharp stars across the frame?

Verify that the back focus distance from the reducer's rear flange to the sensor plane is 105 mm; this ensures optimal flat-field performance.

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