Focal Reducer 0.75x for RC

Focal Reducer 0.75x for RC
Item Details
Focal Reducer 0.75x for RC
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Focal Reducer 0.75x for RC
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 0.75x Focal Reducer for Ritchey-Chrétien Telescopes 

A reducer for small CCD chips. This 2-element reducer makes no correcture but it reduces the focal lengh to 0.75x. The reducer is good, if you only want to have a good correcture on the optical axis but not in the edges.

Product characteristics:
  - Raises the focal length from f/8 to f/6.
  - For sensor diagonals to 15mm diameter
  - Working distance: > 80mm - enough space for off-axis- guiders and filter wheels

Connection size:
  - Telescope side: 2" barrel with M48 filter thread
  - Camera side: male M48x0.75 thread


In Stock
0.75x Focal Reducer for Ritchey-Chrétien
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