Thread: Advice needed!
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Old 16-01-2009, 04:25 PM
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CB (Chris)
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Join Date: Feb 2008
Location: Bateau Bay, Australia
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Hi Surreal,
These photos might help explain what I mean. Both are the same low profile focuser on my scope.
Fig 1 is with the camera adapter on and fig 2 is with the extension tube required to bring it back to were a standard crayford focuser would be were the eye piece would work. Note the difference in height, this is the inward focus you need for a DSLR.
OR... you can move the mirror up the tube...good for camera but you will still need an extension tube for your eye piece because you will have shortened focal lengh of your scope. That is the idea of the low profile unit (shorten the FL) based on a 1200mm FL
Hope this makes sense.
Cheers
Chris
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