Thread: Top five longest back focus refractors ??
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Old 08-08-2014, 09:14 PM
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troypiggo (Troy)
Bust Duster

troypiggo is offline 		 
Join Date: Nov 2008
Location: Brisbane, Australia
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I have a TMB92SS. It has a section at the back that you can remove for more back focus. Maybe 100mm long. More than enough on top of what the lovely 3" FeatherTouch can give.
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