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HIRSCH F/6.3 SCT FOCAL REDUCER
Description
Converts" f/10 focal ratios to f/6.3.
Speeds up Photographic exposure time as much as 50%
Expands the field of view on your SCT telescope
Great for both visual and photographic use
fully multi-coated 4 element lenses
Screws onto the rear cell of your Schmidt- or Maksutov-Cassegrain telescope
 
The Hirsch four element, multi coated f/6.3 focal reducer threads onto the rear cell of any
Celestron Schmidt Cassergrain or Meade LX series mirror lens telescope or to those of other Schmidt Cassergrain telescopes brands
It reduces the telescope's focal ratio by a factor of 0.63, F/10 telescopes are converted to f/6.3
What this means is the f/6.3 focal reducer enables a reduction of the photographic exposure time by about 50 %
Our focal reducer will not only shorten the focal length of your telescope,
but will also significantly improve the edge of the field of view by flattening the curved focal plane inherent in the Schmidt Cassergrain design.
PICTURES BELOW TAKEN USING THE HIRSCH FOCAL REDUCER
TELESCOPE USED WAS A MEADE 12" LX-200 AND CANON XTI DIGITAL CAMERA
CLICK ANY PICTURE BELOW TO ENLARGE
M-42 ORION NEBULA
 
M-31 ANDROMEDA GALAXY M-13 HERCULES CLUSTER
EXAMPLE OF USING A FOCAL REDUCER ON THE MOON BELOW.
PICTURES TAKEN USING A CELESTRON 8"
THE WHOLE MOON IS ABLE TO BE PHOTOGRAPHED OR VIEWED USING THE FOCAL REDUCER.
WITHOUT THE FOCAL REDUCER JUST A PORTION OF THE MOON COMES INTO VIEW.
THIS IS THE VALUE OF CONVERTING YOUR TELESCOPE FROM F/10 TO F/6.3
MOON COMPARISON
THE MOON
WITHOUT FOCAL REDUCER USING
8" CELESTRON
MOON COMPARISON
THE MOON
USING FOCAL REDUCER
WITH 8" CELESTRON
Satisfaction Guarantee
If for any reason you are not satisfied with your purchase,
you may return it for a replacement or refund of the purchase price.
Thanks for looking
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