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Meade Focal Reducer

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Meade Focal Reducer

A focal reducer has the opposite effect of a Barlow lens. Rather than increasing the focal length in a telescope, it works to reduce the focal ratio by its placement in front of the beam of light in a telescope. There are two models of Meade focal reducers. The Series 4000 Meade focal reducer comes in a focal ratio of f/6.3 and f/3.3. The f/6.3 Meade focal reducer and f/3.3 Meade focal reducer help flatten the field, which improves any edge of field distortion. For astrophotographers, the f/6.3 focal reducer lessens the exposure time by 50%. For those who need maximum exposure reduction, the f/3.3 focal reducer lessens the charge-coupled device or CCD exposure time by 80%.

   

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